Oklo

Design and implement systems and analytics infrastructure to scale supply chain operations including ERP, MES, and QMS ownership. | Bachelor's degree with 7+ years leading digital transformation and complex cross-functional implementations in supply chain. | Thanks for your interest in Oklo! We are searching for a Manager, Supply Chain Systems Transformation to join our team. Position Description The Manager, Supply Chain Systems Transformation is responsible for designing, implementing, and continuously improving the systems, processes, analytics, and operational infrastructure that enable Oklo’s supply chain organization to scale from development activities to fleet deployment. This role serves as the business owner for supply chain enterprise systems, including Procurement Orchestration, Procure-to-Pay, Supplier Management, Inventory Management, Manufacturing Execution Systems (MES), Quality Management Systems (QMS), and future ERP platforms. Working closely with implementation partners, software vendors, Information Technology, and operational stakeholders, this individual will ensure these systems are configured, adopted, and optimized to deliver measurable business value. The Manager, Supply Chain Systems Transformation operates as a business process architect and internal product manager, translating operational requirements into scalable workflows, system configurations, reporting capabilities, and analytics that support Procurement, Manufacturing, Quality, Engineering, Construction, Finance, and Program teams. This role also owns the supply chain performance measurement framework, including development of dashboards, KPIs, reporting, and analytics that provide visibility into procurement effectiveness, operational readiness, inventory health, supplier performance, and overall supply chain execution. This position reports to the Senior Director of Procurement & Supply Chain and may be based in Santa Clara, CA or remotely within the United States. Specific responsibilities may include: Serve as the business owner for supply chain enterprise systems, including Procurement Orchestration, Procure-to-Pay, Supplier Management, Inventory Management, MES, QMS, and future ERP platforms Lead business-side implementation efforts from requirements definition through deployment, adoption, and continuous improvement Partner with software vendors, implementation providers, and Information Technology teams to configure, test, deploy, and optimize enterprise systems Define and maintain system workflows, approval processes, master data structures, transaction models, reporting frameworks, and governance mechanisms Lead user acceptance testing, training, change management, and business readiness activities Monitor system performance and drive continuous improvements to ensure systems remain effective as business needs evolve Evaluate and recommend new technologies and digital capabilities that improve supply chain scalability and efficiency Support ERP evaluation, selection, implementation planning, and future deployment activities Ensure enterprise systems generate the operational visibility, analytics, and decision-support capabilities required to effectively manage procurement, inventory, manufacturing, quality, and supplier performance Business Process Architecture Design and standardize supply chain processes across Procurement, Planning, Logistics, Inventory Management, Supplier Management, Manufacturing, and Quality Translate operational requirements into scalable business processes and system-enabled workflows Ensure alignment between business processes and enterprise systems across Engineering, Supply Chain, Manufacturing, Quality, Finance, and Construction Identify opportunities to automate manual processes and improve operational efficiency through technology Establish governance models and operating mechanisms that support long-term organizational growth Develop and maintain the supply chain systems and capability roadmap required to support future deployment objectives Analytics & Performance Management Own the supply chain performance measurement framework, including KPI development, reporting standards, dashboard design, and executive visibility Define, calculate, and maintain key procurement and supply chain performance metrics Develop dashboards and reporting tools that provide visibility into team performance, sourcing activity, purchase order execution, supplier responsiveness, inventory health, manufacturing readiness, and deployment risk Establish data governance and reporting structures that ensure metrics are accurate, actionable, and trusted across the organization Partner with Supply Chain leadership to identify performance improvement opportunities and measure operational effectiveness Develop executive-level reporting and business reviews that communicate supply chain performance, risks, and improvement initiatives Build analytical capabilities that support planning, forecasting, scenario analysis, and strategic decision-making Develop supplier performance scorecards and supplier performance management frameworks as the organization scales Ensure enterprise systems generate the operational and management data required to effectively run the supply chain organization Supply Chain Capability Development & Transformation Identify organizational, process, systems, and data capability gaps and recommend solutions Support long-range planning efforts related to supply chain scaling and fleet deployment Partner with Engineering, Manufacturing, Construction, Program Management, Finance, and Quality to align systems and processes with company objectives Lead cross-functional transformation initiatives that improve supply chain effectiveness and organizational readiness Evaluate supplier scalability, operational readiness, and future capability requirements Support development of scalable supply chain operating models required for future fleet deployment Minimum Qualifications: Bachelor’s degree in Engineering, Supply Chain, Operations, Information Systems, Business, or a related field 7+ years of experience in supply chain, manufacturing, operations, business systems, consulting, digital transformation, or related disciplines Demonstrated experience leading implementation or optimization of enterprise business systems Experience translating business requirements into system configurations, workflows, reporting, analytics, and operational processes Experience developing operational metrics, dashboards, reporting tools, and performance management frameworks Strong analytical, problem-solving, and systems-thinking capabilities Experience leading complex cross-functional initiatives involving multiple stakeholders Strong written and verbal communication skills Bonus Qualifications: Experience implementing Procurement Orchestration, Procure-to-Pay, Supplier Management, Inventory Management, MES, QMS, ERP, or related enterprise systems Experience serving as a business process owner, product owner, solution architect, or implementation lead Experience supporting ERP selection, implementation, or deployment efforts Experience developing executive dashboards, business intelligence solutions, or operational analytics Experience in nuclear, aerospace, defense, semiconductor, automotive, energy, or other highly regulated industries Experience supporting manufacturing scale-up, capital projects, or supply chain transformation initiatives Experience with data analytics, business intelligence, and reporting platforms MBA, advanced engineering degree, or equivalent experience Competencies We are looking for a Manager, Supply Chain Systems Transformation that is: An optimist at heart Passionate about making advanced fission a reality Willing and able to learn quickly Willing to think differently and do things in new ways Comfortable in a fast-paced, highly iterative startup environment Able to translate business needs into scalable processes, systems, and analytics Comfortable leading complex cross-functional initiatives across Supply Chain, Engineering, Manufacturing, Quality, Finance, and Information Technology Highly analytical and capable of developing meaningful operational metrics, dashboards, and reporting Focused on execution and delivering measurable business outcomes Comfortable operating in highly ambiguous environments Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo travel requirements: Oklo requires remote employees to travel to headquarters (Santa Clara, CA) twice a quarter annually, based on business or team needs, including attendance at team meetings, off-sites, and other company events or gatherings. For the first two weeks of onboarding, employees are required to be in person at headquarters in Santa Clara, CA. About Oklo compensation: Salary: $140,000 - $200,000 Oklo offers flexible time off, equity, bonuses, competitive pay, 401(k), health insurance (with employer contribution), HSA, FSA, flexible work hours, wellness credits, and other benefits. This position may involve access to information subject to U.S. export control laws. Only applicants who meet the definition of a U.S. person under applicable laws may be eligible. About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories. #CHOP: Oklo’s Values Collaboration: We go further, together. We bring diverse perspectives, listen actively, and build trust through transparency and respect. We work across disciplines, sharing ownership to turn complex challenges into shared successes. Humility: We are team players who act for the good of the company and for the world. We are focused on our mission, not personal recognition. Ownership: We take pride in what we do and how we do it. We are proactive in finding solutions and see tasks through to completion. We are committed to delivering on our promises to provide clean, reliable, and affordable energy. Pathfinding: We chart new ground where no path exists by approaching challenges with curiosity, courage, and creativity while navigating ambiguity. Candidates should be aware that employment may be contingent upon successful completion of a drug screening, and employees may be subject to drug testing at any time in accordance with company policy and applicable laws. Recruitment Fraud Disclaimer Oklo is aware of recent recruitment fraud attempts targeting job seekers. Please be cautious of anyone claiming to represent Oklo who does not contact you from an official Oklo email address. All legitimate communications from our recruiting team— including application updates, interview requests, and job offers — will come exclusively from an @oklo.com email. Oklo will never ask for sensitive personal information, payments, or account credentials during the hiring process. If you receive suspicious outreach or have concerns about the authenticity of any communication claiming to be from Oklo, please contact us through the official channels listed on our website.

Lead procurement team to execute sourcing strategies for complex hardware systems and manage supplier relationships. | Bachelor's degree and 7+ years in procurement or supply chain with experience in sourcing complex engineered hardware. | Thanks for your interest in Oklo! We are searching for a Sr. Manager, Direct Procurement (Hardware) to join our Procurement & Supply Chain organization. Position Description The Sr. Manager, Direct Procurement (Hardware) is responsible for developing and executing sourcing, supplier management, and procurement strategies for hardware systems critical to Oklo’s products and programs. This role leads procurement activities for complex components, assemblies, equipment, manufacturing systems, and integrated hardware solutions supporting Aurora powerhouses, fuel recycling systems, fuel fabrication capabilities, and future Oklo technologies. This role is responsible for leading a growing team of procurement professionals, developing strategic supplier relationships, negotiating complex commercial agreements, and ensuring suppliers can meet Oklo’s cost, quality, schedule, and capacity requirements. The Senior Manager partners closely with Engineering, Manufacturing, Quality, Legal, and Program Management to support the successful development and deployment of Oklo’s products. This role focuses on procurement of Oklo-designed hardware systems and equipment and is distinct from procurement activities related to EPC, construction, and professional services. Specific responsibilities may include: Lead, mentor, and develop a growing team of procurement professionals responsible for direct hardware sourcing and supplier management Develop and execute procurement strategies for complex hardware systems, equipment, components, and assemblies Support procurement activities across Aurora powerhouses, fuel recycling systems, fuel fabrication capabilities, and future Oklo technologies Establish and manage competitive sourcing processes, including RFQs, RFPs, supplier evaluations, and supplier selection activities Lead commercial negotiations for strategic supplier agreements and long-term supply partnerships Develop and manage supplier relationships to support quality, delivery, capacity, and cost objectives Partner closely with Engineering teams to align sourcing strategies with product requirements, technical specifications, and development schedules Develop supplier qualification, segmentation, and performance management processes Identify and mitigate supply chain risks associated with critical hardware, long-lead equipment, and sole-source suppliers Support cost reduction initiatives, supplier cost analysis, and value engineering efforts Monitor supplier performance and drive continuous improvement initiatives Be involved in development of scalable procurement systems, processes, and tools that support organizational growth Maintain awareness of manufacturing capabilities, supplier markets, and industry trends relevant to Oklo’s products and supply chain Minimum Qualifications: Bachelor’s degree in Engineering, Supply Chain, Business, Operations, or a related field 7+ years of experience in procurement, strategic sourcing, supply chain, manufacturing, or related functions Experience sourcing complex hardware, equipment, manufacturing systems, or highly engineered products Experience leading and developing procurement, sourcing, or supply chain teams Experience negotiating complex commercial agreements and supplier contracts Experience working cross-functionally with engineering and technical organizations Strong understanding of manufacturing processes and supplier operations Demonstrated ability to build and manage strategic supplier relationships Ability to interpret technical drawings, specifications, and procurement requirements U.S. citizenship required Bonus Qualifications: Experience in nuclear, aerospace, defense, energy, industrial equipment, semiconductor, or other highly regulated industries Familiarity with ASME, NQA-1, or other regulated quality environments Experience supporting new product introduction, first-of-a-kind systems, and production scale-up activities Experience with supplier cost analysis, should-cost modeling, capacity planning, and long-lead equipment procurement Experience building procurement processes within a high-growth hardware organization Competencies We are looking for a Sr. Manager, Direct Procurement (Hardware Systems) that is: Experienced in sourcing and managing suppliers for complex hardware, equipment, and manufacturing systems Skilled at developing procurement strategies that balance cost, quality, schedule, and risk Effective at negotiating commercial agreements and building long-term supplier partnerships Comfortable working closely with technical teams and understanding complex engineering requirements Capable of leading and developing high-performing procurement professionals Strong in supplier relationship management, supplier performance management, and strategic sourcing An optimist at heart Passionate about making advanced fission a reality Willing and able to learn quickly Willing to think differently and do things in new ways Comfortable in a fast-paced, highly iterative startup environment Excited to think creatively, critically, and reflectively about the problems they are solving while not leaning only on what has been done before Willing to propose novel and creative solutions to technical problems An excellent writer who can write in a modern active voice, so make your cover letter compelling and write it well! Able to communicate technical content and results verbally Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo travel requirements: Oklo requires remote employees to travel to headquarters (Santa Clara, CA) twice a quarter annually, based on business or team needs, including attendance at team meetings, off-sites, and other company events or gatherings. For the first two weeks of onboarding, employees are required to be in person at headquarters in Santa Clara, CA. About Oklo compensation: Salary: $150,000 - $185,000 Oklo offers flexible time off, equity, bonuses, competitive pay, 401(k), health insurance (with employer contribution), HSA, FSA, flexible work hours, wellness credits, and other benefits. This position may involve access to information subject to U.S. export control laws. Only applicants who meet the definition of a U.S. person under applicable laws may be eligible. About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories. #CHOP: Oklo’s Values Collaboration: We go further, together. We bring diverse perspectives, listen actively, and build trust through transparency and respect. We work across disciplines, sharing ownership to turn complex challenges into shared successes. Humility: We are team players who act for the good of the company and for the world. We are focused on our mission, not personal recognition. Ownership: We take pride in what we do and how we do it. We are proactive in finding solutions and see tasks through to completion. We are committed to delivering on our promises to provide clean, reliable, and affordable energy. Pathfinding: We chart new ground where no path exists by approaching challenges with curiosity, courage, and creativity while navigating ambiguity. Candidates should be aware that employment may be contingent upon successful completion of a drug screening, and employees may be subject to drug testing at any time in accordance with company policy and applicable laws. Recruitment Fraud Disclaimer Oklo is aware of recent recruitment fraud attempts targeting job seekers. Please be cautious of anyone claiming to represent Oklo who does not contact you from an official Oklo email address. All legitimate communications from our recruiting team— including application updates, interview requests, and job offers — will come exclusively from an @oklo.com email. Oklo will never ask for sensitive personal information, payments, or account credentials during the hiring process. If you receive suspicious outreach or have concerns about the authenticity of any communication claiming to be from Oklo, please contact us through the official channels listed on our website.

Lead design and development of scalable systems, CI/CD pipelines, and tools for reactor data and simulation analysis. | 8+ years software engineering experience, proficiency in Python and Git, experience with CI/CD pipelines, strong communication and collaboration skills. | Overview Join us in pioneering the next generation of nuclear reactors! You'll leverage your software skills alongside nuclear engineers to model, simulate, design, and deploy advanced fission power technology. You will work at the forefront of the nuclear industry, developing novel techniques to reach new levels of safety, efficiency, and resiliency. Come be a part of powering the future with advanced fission power plants to provide clean, reliable, affordable energy. Position Description Oklo is a fast-moving startup where you will be responsible for tackling a wide range of challenges in reactor design and analysis. A nuclear background is not required, but a healthy curiosity and eagerness to learn are essential in this role. Responsibilities • Lead the design of systems for storing and retrieving reactor data and physics results at scale. • Architect and own CI/CD pipelines for multiphysics analyses, ensuring reliability, observability, and reproducibility of complex simulations. • Develop tools and platforms that enable reactor engineers to visualize, compare, and evaluate reactor designs. • Develop physics kernels to solve unanswered problems, or to improve performance of existing models. • Develop reactor optimization schemes and statistical experiments to inform design changes. • Mentor other engineers, set technical direction, and contribute to building a strong engineering culture. Minimum Qualifications • Bachelor's degree in computer science, computer engineering, or equivalent work experience. • 8+ years of professional software engineering experience. • Fluency in Python. • Strong proficiency with Git. • Experience designing, implementing, and maintaining CI/CD pipelines. • Demonstrated ability to own projects end-to-end: requirements gathering, architecture, implementation, testing, deployment, and iteration. • Strong communication skills and experience collaborating with cross functional partners (e.g., scientists, analysts, or domain experts). • Curiosity and passion for nuclear power, closing the nuclear fuel cycle, and sustainable energy generation. Bonus Qualifications • Proficiency in Rust. • Experience growing and mentoring small software teams or organizations. • Experience designing and operating large data collection or analysis pipelines. • Experience with optimization, statistics, and design of experiments. • Knowledge of GitLab CI/CD. • Prior work developing and implementing software quality assurance programs and testing strategies, especially in quality oriented or safety focused industries. • Experience working in regulated environments (e.g., energy, aerospace, medical, automotive). Who you are • Startup person: You aren't driven by titles or hierarchy and prefer efficiency to excess process. • Motivated: Self motivated, enthusiastic, passion beyond routine work. • A team player: Collaborate, share credit, avoid blame. • An excellent communicator: Clear, upbeat communication. Compensation & Benefits Oklo offers flexible time off, equity, competitive pay, 401(k), health insurance, FSA, flexible work hours, and other benefits. Remote & Travel Remote employees may be required to travel to headquarters (Santa Clara, CA) twice a quarter. Oklo Inc. - Our Mission Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Values • Collaboration: We go further, together. • Humility: We are team players who act for the good of the company and for the world. • Ownership: We take pride in what we do and see tasks through to completion. • Pathfinding: We chart new ground where no path exists. Recruitment Fraud Disclaimer Oklo is aware of recent recruitment fraud attempts targeting job seekers. Please be cautious of anyone claiming to represent Oklo who does not contact you from an official Oklo email address. All legitimate communications from our recruiting team-including application updates, interview requests, and job offers-will come exclusively from an Oklo email. Oklo will never ask for sensitive personal information, payments, or account credentials during the hiring process.

A Security Engineer at Oklo is responsible for assessing, designing, and justifying the effectiveness of site security at facilities possessing special nuclear material. The role requires a creative mindset to envision challenges against a security system and develop justifications for control measures. | Candidates should have a bachelor's degree or similar technical experience, familiarity with firearms and explosives, and experience with regulatory compliance. Knowledge of U.S. nuclear regulations and strong problem-solving skills are essential. | Thanks for your interest in Oklo! We are searching for a Security Engineer to join our team. We are looking to fill this position immediately. Description A Security Engineer at Oklo is responsible for assessing, designing, and justifying the effectiveness of site security at facilities possessing special nuclear material. The work of an Oklo Security Engineer is a comprehensive role that demands a creative mindset, able to envision challenges against a security system and develop the justification of control measures that provide an adequate assurance of protection. Design and compliance of security systems responsible for the protection of special nuclear material involves a comfort with navigating U.S. nuclear regulations and guidance to produce defensible security plans against complex challenges. As a member of the greater engineering organization at Oklo, collaboration is a necessity. In the realm of security, significant breadth and appetite for understanding system interdependency is a must for security specialists expected to justify adequate protective strategies across a nuclear facility of interrelated systems. Responsibilities Passionate about clean energy, the environment, and making advanced fission a reality Willing and able to learn quickly and to think differently in a highly regulated and prescriptive industry Able to assess threat environments with an analytical mindset for substantiation Knowledge of 10 CFR 73 and 10 CFR 70, along with NRC Regulatory Guides and other regulatory guidance Precise communication skills, including the ability to communicate nuanced technical content in multiple forms Comfortable in a fast-paced, highly iterative startup environment Eager to work on a dynamic team, receive constructive feedback, and grow with us Flexible and open to new ideas; ability to work with a highly collaborative team Minimum Qualifications: Bachelor’s degree or similar experience in technical exposure Familiarity with the capabilities various firearms, explosives and tactical equipment Experience with regulatory compliance Experience with national threat policy Strong problem-solving skills and the ability to work effectively in multi-disciplinary teams Eligible and able to maintain access to safeguards information Bonus Qualifications: Military or law enforcement experience Recent experience with demolition methods Experience with adversary analysis or “red team planning” Experience as a force-on-force member or observer/controller Experience with tabletop and scenario development Familiarity with implementation of NIST control frameworks Current national security information background investigation or safeguards access Competencies: Passionate about clean energy, the environment, and making advanced fission a reality Willing and able to learn quickly and to think differently in a highly regulated and prescriptive industry Able to assess threat environments with an analytical mindset for substantiation Knowledge of 10 CFR 73 and 10 CFR 70, along with NRC Regulatory Guides and other regulatory guidance Precise communication skills, including the ability to communicate nuanced technical content in multiple forms Comfortable in a fast-paced, highly iterative startup environment Eager to work on a dynamic team, receive constructive feedback, and grow with us Flexible and open to new ideas; ability to work with a highly collaborative team Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo compensation: Salary: $70,000-$150,000 Salary may fall outside of the range provided and will be dependent on applicant experience. Oklo offers flexible time off, equity, competitive pay, 401k, health insurance, FSA, flexible work hours, and other benefits. Preferred Location: Santa Clara, CA About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

Administer and optimize Siemens Teamcenter PLM environment including installation, upgrades, workflow configuration, CAD integrations, user support, security compliance, and collaboration with IT/DevOps teams. | 3+ years of Siemens Teamcenter and NX administration experience, proficiency with BMIDE, CAD integrations, database and server knowledge, troubleshooting skills, and familiarity with regulated environment compliance. | Thanks for your interest in Oklo! We are searching for a talented Teamcenter Administrator to join our team. Position Description We are seeking a Teamcenter Administrator to maintain, configure, and optimize our PLM environment in support of engineering, manufacturing, IT, and quality teams. This role involves administering Teamcenter architectures (4-tier and Active Workspace), managing workflows and data models with BMIDE, supporting CAD and enterprise system integrations, and providing user support and training. The administrator will also troubleshoot issues, monitor performance, and apply automation practices to ensure reliable, efficient, and scalable PLM operations. In addition, this role will support environment security and compliance requirements, coordinate closely with IT/DevOps to align hybrid cloud and AWS GovCloud infrastructure, and contribute to system performance tuning and scalability. The administrator will also help define and maintain cross-module workflows for revision control, document management, and change management, while creating training materials to support user adoption and onboarding. Specific responsibilities may include • Administer and maintain Siemens Teamcenter (4-tier and Active Workspace). • Support installation, upgrades, patching, and performance monitoring. • Configure workflows, access controls, lifecycles, and business rules using BMIDE. • Manage Teamcenter modules such as Requirements, Document Management, and Change Management. • Oversee integrations with CAD tools (primarily Siemens NX) and manage PLM/CAD data flows. • Provide end-user support, training, and documentation. • Contribute to automation initiatives and process improvements. • Monitor system health, maintain backups, and ensure data integrity. • Implement and monitor role-based access controls, audit logging, and compliance safeguards for regulated environments (e.g., NQA-1, SOC 2, SOX, ITAR). • Work with IT/DevOps to manage Teamcenter environments in hybrid/on-prem and AWS GovCloud infrastructure. • Assist in performance tuning, load testing, and scaling to meet the needs of growing engineering datasets. • Support standardization of document management, revision control, and change workflows across modules. • Develop modular training guides and onboarding materials to improve adoption across engineering and non-engineering teams. Minimum Qualifications • 3+ years of experience as a CAD/PLM administrator with Siemens NX and Teamcenter. • Hands-on experience with Teamcenter installation, upgrades, patching, and configuration in enterprise environments. • Proficiency with BMIDE for configuring workflows, lifecycles, access controls, and business rules. • Experience supporting CAD integrations, preferably Siemens NX, and managing PLM/CAD data flows. • Knowledge of databases (Oracle, SQL Server, PostgreSQL) and application servers (WebLogic, Tomcat, or similar). • Strong troubleshooting and root-cause analysis skills, with proven ability to implement preventive solutions. • Ability to produce clear technical documentation and deliver effective end-user training. • Strong communication and collaboration skills across engineering, IT, manufacturing, and quality teams. • Familiarity with security and compliance practices for enterprise or regulated environments. • Experience collaborating with IT or DevOps teams to support infrastructure, cloud environments, or automation of deployments. • Certification in AWS and/or Siemens NX/Teamcenter Administration is a plus. Bonus Qualifications: • Siemens Teamcenter Administration Certification. • Experience with distributed Teamcenter architectures, especially 4-tier Active Workspace. • Exposure to automation scripting, CI/CD workflows, or GitLab-based integrations. • Background in training development or structured onboarding for engineering tools. • Familiarity with Agile project workflows and cross-functional collaboration practices. • Hands-on familiarity with near-term Teamcenter modules we're implementing at Oklo: Requirements, Document Management, and Change Management; bonus for exposure to BOM/release workflows and Active Workspace configuration. Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won't enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn't about a fake or arbitrary "pieces of flair" mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren't about taking credit for ourselves, and we aren't about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo compensation: The salary range is $100,000 - $155,000 base, depending on experience and qualifications. Oklo offers flexible time off, equity, competitive pay, 401k, health insurance, FSA, flexible work hours, and other benefits. We are looking to fill this position immediately! About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

The Systems Engineer will support the requirements management process across complex engineering efforts, ensuring requirements are well-structured and integrated into the product lifecycle. Responsibilities include leading the configuration of Siemens Teamcenter Requirements and collaborating with various teams to manage clear and verifiable requirements. | Candidates should have a Bachelor's degree in a technical field and 3+ years of experience in requirements management for complex engineering systems. Proficiency with Siemens Teamcenter and familiarity with regulated industries are preferred qualifications. | Remote Thanks for your interest in Oklo! We are searching for a Systems Engineer to join our team. Position Description Oklo is transforming the future of energy, and we’re looking for a Systems Engineer with 3-5 years of dedicated experience in requirements management within regulated industries. In this role, you will support the requirements management process across complex, multidisciplinary engineering efforts. You will be responsible for ensuring requirements are well-structured, traceable, verifiable, and integrated into our product lifecycle. Your work will support the design and deployment of Oklo's products and services. Specific responsibilities may include: Lead the configuration and use of Siemens Teamcenter Requirements for the development and management of requirements across engineering teams Collaborate with design, analysis, and regulatory teams to define and manage clear, verifiable, and traceable requirements Develop and maintain requirement hierarchies, traceability matrices, and verification plans Drive consistency and quality of requirements across technical disciplines, helping ensure compliance with regulatory and safety standards Train and support team members in the use of Siemens Teamcenter Requirements and best practices in requirements development Leverage systems thinking knowledge and expertise to support system owners/responsible engineers in ensuring system interfaces/ICDs are clearly defined and executed Champion requirements change control and configuration management processes Competencies Organized: Organized and proactive in managing information and tasks Passion: Passionate about clean energy and making advanced fission a reality Analytical: Ability to think in structured, hierarchical frameworks Detail-Oriented: Strong attention to detail with a drive for clarity and precision Effective Communication: Excellent written and verbal communication skills Minimum Qualifications Bachelor's degree in a technical field, such as nuclear, mechanical, or aerospace engineering. 3+ years of experience in a requirements management role for complex engineering systems Strong communication and organizational skills, with a proven ability to work across diverse technical teams Bonus Qualifications Proficiency with Siemens Teamcenter and TcRequirements, including configuration, customization, and end-user support Advanced degree in engineering or systems engineering Familiarity with systems engineering standards such as INCOSE and experience applying MBSE principles Experience in highly regulated industries (e.g. aerospace, nuclear, automotive, defense) Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo compensation Salary: $90,000 - $130,000 Salary may fall outside of the range provided and will be dependent on applicant experience. Oklo offers flexible time off, equity, competitive pay, 401k, health insurance, FSA, flexible work hours, and other benefits. About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

The Neutronics Analysis Engineer is responsible for defining, developing, and executing neutronics analyses to support reactor design and safety assurance. This role involves collaboration with the design team to establish requirements and implement models and methods for various analyses. | Candidates should have a Bachelor's, Master's, or PhD in a technical field, preferably nuclear engineering, with experience in reactor design and analysis. Proficiency in Monte Carlo and deterministic codes, as well as fluency in Python and experience with high performance computing systems, is highly recommended. | Thanks for your interest in Oklo! We are searching for a Neutronics Analysis Engineer to work with our engineering team and help us wrangle the neutrons. Position Description The Neutronics Analysis Engineer is responsible for defining, developing, and executing in-core and ex-core neutronics analyses to support reactor design, performance evaluation, and safety assurance. This role involves working closely with the broader design team to solicit and capture requirements, establish the scope of neutronic evaluations, and implement appropriate models and methods. Areas of analysis include, but are not limited to, criticality, depletion, activation, and shielding. The engineer will also support verification and validation activities and contribute to licensing and regulatory interactions by providing technically sound and defensible neutronics analyses. Specific responsibilities may include: Perform the complete range of actions involved in supporting core design and fuel cycle analysis using Monte Carlo and deterministic codes on Oklo reactors. Perform calculations and analyses in Monte Carlo based codes such as Serpent, MCNP, SCALE, and OpenMC. Perform calculations and analyses with fast reactor deterministic codes such as DIF3D, PERSENT. Support the qualification and verification of neutronic analyses, including validation against experiments and benchmarks. Be aware of and familiar with fast reactor core design and analysis work being performed internationally, as well as related benchmark calculations and experiments being performed internationally Provide technical feedback to quick-iterating design teams. Document work using modern tools and techniques, and write well-written, thoughtful technical reports. Competencies We are looking for a neutronics engineer that is: Passionate about clean energy Passionate about making advanced fission a reality Willing and able to learn quickly Knowledgeable about fast reactor design Highly skilled with Monte Carlo neutronics tools such as SERPENT, MCNP, SCALE and Open-MC Skilled with deterministic fast reactor tools, or wiling and eager to learn Eager to work on a dynamic team, receive constructive feedback, and grow with us Willing to think differently and do things in new ways Comfortable in a fast-paced, highly iterative startup environment Excited to think creatively, critically, and reflectively about the problems they are solving, while not leaning only on what has been done before Willing to propose novel and creative solutions to technical problems An excellent writer who can write in modern active voice, so make your cover letter compelling and write it well! Able to communicate technical content and results verbally Who you are: A startup person. You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: this focus is a big part of excellence, consistency, and quality. Even excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. Minimum Qualifications: If you have experience and expertise in reactor design, apply! We also think the following are good indicators of qualifications to do this job: Bachelors, Masters, or PhD in a technical field, such as nuclear engineering, with experience in reactor design and analysis (Masters or PhD may be preferable) Fluency with Python Experience with modern object oriented languages, preferably C++ Proficiency with high performance computing systems Experience with fast reactor design and analysis is highly recommended Proficiency with MCNP and SERPENT is highly recommended Proficiency with ORNL’s SCALE code system (TRITON, KENO, SAMPLER, etc.) is recommended. Proficiency with Argonne's ARC codes (MC2, DIF3D, etc.) is recommended About Oklo compensation: Salary: $102,000-$225,000 Salary may fall outside of the range provided and will be dependent on applicant experience. Oklo offers untracked paid time off, competitive pay, equity, 401k, health insurance, FSA, flexible work hours, and other benefits. We are looking to fill this position immediately! About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

The Safety Analysis Engineer is responsible for designing and developing analyses that form the safety bases for Oklo’s reactor systems. This includes reviewing regulatory documents, developing technical strategies, and collaborating with other engineers on licensing deliverables. | Candidates should have a degree in a technical field and proficiency in thermal-hydraulics analysis. Experience with systems-level analysis codes and reactor transient analysis methods is highly recommended. | Thanks for your interest in Oklo! We are searching for a Safety Analysis Engineer to join our team. Position Description The Safety Analysis Engineer is responsible for designing and developing analyses that form the safety bases that will be incorporated in the license application for Oklo’s reactor systems. This position includes review of regulatory document and codes, developing technical strategies, designing and executing engineering analyses, conducting modeling and simulation, and crafting documentation. Additionally, the team member in this position collaborates closely with other regulatory and design engineers, aiding in the execution of key design and licensing deliverables. Specific responsibilities may include the following: Performing safety analysis using quantitative and qualitative methodologies Developing safety bases Working collaboratively with an interdisciplinary team to establish functional, performance, safety, and other facility requirements, and to engineer effective optimized mitigations Executing licensing projects and contributing strategically to licensing deliverables Managing projects for an interdisciplinary team of engineers Developing analytical and computational methods and models Documenting work using modern tools and techniques, and writing well-written, thoughtful technical reports Competencies We are looking for a Safety Analysis Engineer that is: Passionate about clean energy Passionate about making advanced fission a reality Experienced with building formal safety bases Willing and able to learn quickly Willing to think differently and do things in new ways Comfortable in a fast-paced, highly iterative startup environment Able to communicate technical content and results in written form and verbally Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. Minimum Qualifications Proficiency with thermal-hydraulics analysis Bachelors, Masters, or PhD in a technical field, such as nuclear, mechanical, or aerospace engineering Experience with systems-level analysis codes such as SAS4A/SASSYS-1, SAM, RELAP, TRACE, GOTHIC, or equivalent is highly recommended Experience with reactor transient analysis methods Fluency with Python Bonus Qualifications Core competencies in heat transfer, fluid dynamics, and thermodynamics first principles Professional experience developing or amending safety case analyses on high-hazard or highly-regulated facilities Prior experience developing or amending safety bases and associated documentation for NRC-licensed or DOE-authorized nuclear facilities Experience with specific safety analyses (e.g., steam link break or fuel relocation analysis) Knowledgeable about fast reactors and fuel cycle activities Competency with modern software engineering practices and programming languages Experience with CI/CD computing environments About Oklo compensation: Salary: $80,000-$185,000 Salary may fall outside of the range provided and will be dependent on applicant experience. Oklo offers flexible time off, equity, competitive pay, 401k, health insurance, FSA, flexible work hours, and other benefits. About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

The Neutronics Engineer will perform reactor design calculations, including core design and fuel cycle analyses, and design irradiation targets for radioisotope production. Responsibilities also include using Monte Carlo and deterministic codes for various reactor analyses and providing technical feedback to design teams. | Candidates should have experience in reactor design and analysis, with a preference for advanced degrees in nuclear engineering. Proficiency in Monte Carlo tools and programming languages like Python and C++ is essential. | Thank you for your interest in Oklo! We are searching for a Neutronics Engineer to join our radioisotopes team. Position Description: The Neutronics Engineer is responsible for performing reactor design calculations that include core design and fuel cycle analyses. Other work includes the design of irradiation targets for radioisotope production and how those targets affect the local and macro reactor core system (self-shielding, fuel consumption, production yield, etc.) Specific responsibilities may include: Perform the complete range of actions involved in core design and fuel cycle analysis using Monte Carlo and deterministic codes on Oklo/Atomic Alchemy reactors. These include core design, core sizing, core optimization, reactivity feedback, core lifetime, and criticality analyses, among others. Perform calculations and analyses in Monte Carlo based codes such as MCNP, Serpent, and OpenMC. Perform calculations and analyses with deterministic codes such as CASMO/SIMULATE or HELIOS. Be aware of and familiar with research reactor core design and analysis work being performed internationally, as well as related benchmark calculations and experiments being performed internationally. Provide technical feedback to quick-iterating design teams. Document work using modern tools and techniques, and write well-written, thoughtful technical reports. Competencies: We are looking for a Neutronics Engineer that is: Passionate about making advanced industrial-scale radioisotope production Knowledgeable about research reactor design Highly skilled with Monte Carlo neutronics tools such as MCNP, SERPENT, and Open-MC Skilled with deterministic fast reactor tools, or wiling and eager to learn Eager to work on a dynamic team, receive constructive feedback, and grow with us Passionate about making “radioisotope shortage” a bygone phrase An optimist at heart Willing and able to learn quickly Willing to think differently and do things in new ways Comfortable in a fast-paced, highly iterative startup environment Excited to think creatively, critically, and reflectively about the problems they are solving while not leaning only on what has been done before Willing to propose novel and creative solutions to technical problems An excellent writer who can write in a modern active voice, so make your cover letter compelling and write it well! Able to communicate technical content and results verbally Experience level: Intermediate (2-5yr) or Experienced (5-10yr) Minimum Qualifications: If you have experience and expertise in reactor design, apply! We also think the following are good indicators of qualifications to do this job: Bachelors, Masters, or PhD in a technical field, such as nuclear engineering, with experience in reactor design and analysis (Masters or PhD may be preferable) Fluency with Python Experience with modern object oriented languages, preferably C++ Proficiency with high performance computing systems Proficiency with MCNP and SERPENT is highly recommended Bonus Qualifications: Hands-on experience in a reactor setting. Not required, but it is a bonus to not have purely theoretical/modeling experience. Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Even excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo compensation: $102,000-$190,000 Oklo offers flexible time off, equity, competitive pay, 401k, health insurance, FSA, flexible work hours, and other benefits. We are looking to fill this position immediately! About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

Lead or support the design of radiological hot cells for used nuclear fuel recycling, focusing on systems like shielding and remote handling. Collaborate with a multidisciplinary team to ensure the integration of critical systems into the facility. | A Bachelor's degree in Mechanical or Nuclear Engineering and 5+ years of relevant experience are required. Strong knowledge of remote handling systems and radiation shielding principles is essential. | Thanks for your interest in Oklo! We are searching for a radiological Hot Cell Design Engineer to join our dynamic fuel recycling engineering group, which is designing and deploying a modern nuclear fuel recycling facility. This is a rare opportunity to contribute to the design and development of one of the most advanced radiological hot cell systems ever. Position Description: As a Hot Cell Design Engineer at Oklo, you will help shape a highly specialized, remotely-operable hot cell environment that enables the safe, efficient processing of used nuclear fuel (UNF). You’ll work collaboratively with a multidisciplinary team of mechanical, nuclear, chemical, and controls engineers to integrate critical systems such as shielding, containment, and remote operations into an industrial-scale recycling facility. Key Responsibilities: Lead or support the mechanical and systems design of radiological hot cells used in UNF recycling, including shielding, ventilation, confinement, and remote handling systems Define equipment and material layouts, including material transfer pathways and maintenance access strategies Work with radiation modeling and safety analysis specialists to develop shielding requirements and establish design constraints Integrate robotic and remote handling technologies (e.g., manipulators, cameras, cranes, etc.) into cell design Contribute to the structural evaluation of confinement systems, ensuring compliance with fire protection, external hazard, and natural phenomena hazard requirements Collaborate with structural, HVAC, instrumentation, and process engineers to ensure seamless integration across all hot cell systems Participate in Failure Modes and Effects Analyses (FMEA), hazard analyses, and radiological safety assessments Contribute to design reviews, procurement specifications, and installation and commissioning plans Support prototyping, testing, and commissioning of hot cell subsystems Competencies: We are looking for a Hot Cell Design Engineer that is: Passionate about clean energy, fuel recycling, and efficient stewardship of natural resources An optimist at heart Passionate about making advanced fission a reality Willing and able to learn quickly Willing to think differently and do things in new ways Comfortable in a fast-paced, highly-iterative startup environment Excited to think creatively, critically, and reflectively about the problems they are solving while not leaning only on what has been done before Willing to propose novel and creative solutions to technical problems An excellent writer who can write in a modern active voice (so make your cover letter compelling and write it well!) Able to communicate technical content and results verbally Minimum Qualifications: Bachelor’s degree or higher in Mechanical Engineering, Nuclear Engineering, or a related discipline 5+ years of experience in radiological facility design, glovebox or hot cell engineering, or radiological material handling Strong working knowledge of remote handling systems, robotics, or manipulator technologies Understanding of radiation shielding principles, criticality safety, and radiological protection standards Excellent written and verbal communication skills Demonstrated ability to collaborate on cross-functional teams and integrate feedback from engineering, licensing, and safety Strong systems engineering intuition and problem-solving capabilities U.S. citizenship or permanent residency status (due to export control requirements) Bonus Qualifications: Experience with hot cells used in nuclear fuel cycle facilities, isotope production, or defense applications Proficiency with CAD software (e.g., NX, SolidWorks, Inventor) and engineering drawing standards Knowledge of NRC and/or DOE regulatory requirements and nuclear standards for nuclear facilities Prior hands-on experience with mockups, prototyping, or commissioning of radiological systems Experience with vendor coordination, A&E firms, and project management Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Even excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo compensation: Salary: $80,000-$180,000 Salary may fall outside of the range provided and will be dependent on applicant experience. Oklo offers flexible time off, equity, competitive pay, 401k, health insurance, FSA, flexible work hours, and other benefits. We are looking to fill this position immediately! About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

The Safety Analysis Engineer will support the development of the safety basis for a nuclear fuel recycling facility, including hazard identification and evaluation. Responsibilities also include developing safety basis documents and supporting various safety programs. | Candidates should have a Bachelor's degree in a relevant engineering discipline and 3-5 years of experience in nuclear safety or similar environments. Familiarity with HAZOP and FMEA methods is required, with additional qualifications being a plus. | Thanks for your interest in Oklo! We are searching for a Safety Analysis Engineer to join our engineering team. Position Description: We are seeking a skilled Safety Analysis Engineer to support the development of the safety basis for a first-of-a-kind used nuclear fuel recycling facility. You will support the identification and evaluation of hazards/accidents, the designation of Items Relied On For Safety (IROFS), and the development of management measures. Additionally, you will support radiological, subcriticality, chemical, and fire safety programs. Specific responsibilities may include: Develop and maintain safety basis documents according to applicable Nuclear Regulatory Commission regulation and guidance Support Integrated Safety Analysis (ISA), Criticality Safety Evaluations, Fire Hazard Analysis (FHA), and Natural Phenomena Hazard (NPH) analysis Identify and evaluate radiological, criticality, chemical, fire, and natural phenomena hazards Identify and evaluate accident sequences using both inductive and deductive methods Perform deterministic consequence severity calculations for radiological/chemical source term and dose Perform likelihood calculations using qualitative and semi-quantitative (e.g., layers of protection analysis) Designate items relied on for safety (IROFS) for the prevention and mitigation of accidents Develop management measures to ensure adequate availability and reliability of IROFS Competencies: We are looking for a Safety Analysis Engineer that is: Passionate about clean energy An optimist at heart Passionate about making advanced fission a reality Willing and able to learn quickly Willing to think differently and do things in new ways Comfortable in a fast-paced, highly iterative startup environment Excited to think creatively, critically, and reflectively about the problems they are solving while not leaning only on what has been done before Willing to propose novel and creative solutions to technical problems An excellent writer who can write in a modern active voice, so make your cover letter compelling and write it well! Able to communicate technical content and results verbally Experience level: Bachelor’s degree in chemical engineering, mechanical engineering, nuclear engineering, or related discipline; a master's or Ph.D. is highly desirable 3-5 years of experience in experience in nuclear safety, process safety, or similar high-hazard environments. Minimum Qualifications: Hazard and Operability Study (HAZOP) and Failure Modes and Effects (FMEA) PHA methods Bonus Qualifications: NRC licensed fuel cycle facility safety basis development Consequence severity analysis using RADTRAD, MELCOR/MACCS, ARCON and PAVAN Event tree and fault tree analysis NUREG-1513, NUREG-1520, NUREG-1718 and relevant regulatory frameworks Who you are: A startup person: You aren't driven by titles or hierarchy, and prefer efficiency to excess process. You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team. If you prefer the culture and feel of a large organization, that is great, but you likely won’t enjoy working with us! There is plenty of important work and plenty of good opportunities with organizations like that. Motivated: You are self-motivated. You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out. This isn’t about a fake or arbitrary “pieces of flair” mentality or lack of work-life balance! It is about being a part of the vision and feeling a part of reaching team goals. A team-player: Oklo genuinely is a team. We aren’t about taking credit for ourselves, and we aren’t about pushing blame to others. We do incredible things because we work as a team. An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator. Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement. The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day. Detail-oriented: This focus is a big part of excellence, consistency, and quality. Even excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward. About Oklo compensation: $85,000-$165,000 annually Oklo offers flexible time off, equity, competitive pay, 401k, health insurance, FSA, flexible work hours, and other benefits. We are looking to fill this position immediately! About Oklo Inc.: Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.