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Oklo

via Greenhouse

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Security Engineer

Anywhere
full-time
Posted 10/1/2025
Direct Apply
Key Skills:
Security Engineering
Nuclear Regulations
Regulatory Compliance
Threat Assessment
Problem Solving
Communication Skills
Team Collaboration
Analytical Mindset
Creative Thinking
Detail-Oriented
Firearms Knowledge
Explosives Knowledge
Tactical Equipment Familiarity
Adversary Analysis
NIST Control Frameworks
Demolition Methods

Compensation

Salary Range

$70K - 150K a year

Responsibilities

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.

Requirements

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.

Full Description

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.

This job posting was last updated on 10/2/2025

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