SimSpace Corporation

Architect and scale distributed microservices with AI integration, provide technical leadership and mentorship, and ensure system reliability and security. | 4+ years in large-scale distributed microservices, expertise in Java or Kotlin, container orchestration, and an associate degree or equivalent experience. | SimSpace serves as an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment. Trusted by allied governments, militaries, enterprises, and research institutions worldwide, SimSpace enables adaptive, AI-ready defenses that stay ahead of evolving threats. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the platform unifies training, testing, and validation in a realistic, live-fire simulation—helping teams evaluate security investments, optimize performance, and compress cyber readiness cycles from months to days. Why join SimSpace? We are an organization that is focused on building our culture and mindfully enhancing our atmosphere every day which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members, external clients, and their customers. How Do We Work? We believe that people are at the center of everything we do. SimSpace fosters a culture of continuous learning, curiosity, and professional growth. That belief shows up in action: in-house training, internal and external learning platforms, cyber conferences, industry events, and dedicated time for skill development. Our people are empowered to shape their careers - and it shows. Year over year, SimSpace consistently outperforms industry benchmarks in internal mobility, promotions, and total rewards growth. Who Thrives Here? We are a team of innovators, protectors, and problem-solvers. We believe diversity of thought and experience fuels better solutions, and we’re committed to building teams that reflect the communities we serve. Whether you’re remote or office-based, you’ll collaborate with talented colleagues across departments and time zones, united by the mission to create a safer digital world. We invite you to apply today! We are looking for: a Backend Senior Software Engineer, Attack and User Emulation Team (AUE), you will serve as a primary technical leader driving the evolution of our core cyber range emulation platform. In this role, you will leverage deep expertise in microservices, event-driven messaging systems, Spring Boot, and containerization to architect and scale complex, distributed emulation services. These high-impact systems enable our users to simulate real-world cyber attacks and user personas with high fidelity and realism. As a Senior Software Engineer, AUE, you will help shape the integration of AI-assisted capabilities into the platform. You will design scalable, secure patterns for coordinating AI-enabled services and workflows so that attack and user emulations can become more dynamic, autonomous, and responsive. You may evaluate and adopt emerging interoperability approaches, including Model Context Protocol (MCP) and Agent-to-Agent (A2A) protocol, as the platform evolves. Your reach extends beyond feature delivery. You will own the long-term technical vision and architecture for critical platform capabilities, drive engineering excellence across teams, and act as a multiplier by mentoring engineers and shaping team strategy. You will balance strategic architectural design with hands-on code delivery, solving complex, high-risk technical problems. What will you be doing as our Senior Software Engineer, AUE: Architectural Leadership & Execution: Architect, design, and deliver highly scalable, fault-tolerant, and resilient distributed microservices for cybersecurity range simulations, setting technical standards across systems. AI & Agent Infrastructure: Design and implement platform capabilities that coordinate AI-enabled services and autonomous workflows to support intelligent emulation behaviors, reliable context exchange, and clear operational controls. You will evaluate and adopt appropriate interoperability patterns and protocols as the platform evolves. Cross-Functional & Strategic Ownership: Partner closely with Product Managers, UX Designers, and Engineering Leadership to define roadmap priorities, decompose multi-quarter initiatives into actionable technical milestones, and lead complex end-to-end execution. Technical Excellence & Standards: Drive system reliability, performance tuning, and fault tolerance strategies. Establish and champion best practices in code quality, testing methodologies, API design, and system architecture across the team. Mentorship & Talent Development: Mentor and coach engineers across levels, actively supporting their growth through regular design reviews, code reviews, constructive feedback, and delegation of high-impact technical initiatives. Operational Maturity & Observability: Design and implement robust observability, telemetry, and proactive alerting frameworks to ensure high availability, fast incident resolution, and zero-downtime deployments. Security-First Engineering: Embed security, compliance, and offensive/defensive mitigation patterns directly into system design and the software development lifecycle. Knowledge Sharing & System Design: Author and maintain architectural decision records (ADRs), technical spec documents, and system design patterns to align teams and build long-term organizational knowledge. What are the qualifications to apply? To be successful as a Senior Software Engineer, AUE, you need to have: 4+ years of hands-on software development experience with a track record of architecting, building, and operating large-scale, distributed microservices in production. 2 year degree in science & technology or commensurate experience. Deep Expertise in OOP languages such as Java or Kotlin, with proven experience in advanced API design, system integration, and event-driven architectures. Production Expertise in container orchestration platforms (Kubernetes, Docker) and enterprise frameworks (Spring Boot). AI & Agent Systems Integration: Experience integrating AI/LLM capabilities into production software systems, with sound judgment around service boundaries, context management, reliability, security, and observability. Experience with agentic workflows, orchestration systems, Model Context Protocol (MCP), or Agent-to-Agent (A2A) communication patterns is a plus. Proven Track Record of leading complex, multi-system initiatives from ideation to delivery, making sound pragmatic trade-offs between speed, scalability, and technical debt. Domain Context: Strong understanding of cybersecurity concepts, including offensive/defensive tactics, user emulation techniques, or threat landscapes. Advanced Problem Solving: Experience identifying system bottlenecks, improving fault tolerance, and resolving complex distributed systems failures. Bonus / Nice-to-Have Qualifications: Experience evaluating or integrating AI or machine learning capabilities into production backend systems, particularly when model-driven behavior must be reliable, observable, and safely controlled. Exposure to Reinforcement Learning (RL) concepts (e.g., reward functions, policy optimization, or multi-agent RL environments), particularly applied to decision-making or simulation modeling. Who you are: A Technical Leader & Multiplier: You naturally drive strategic initiatives, elevate those around you, and foster a culture of technical rigor, accountability, and continuous improvement. An Innovative AI Practitioner: You are excited about the frontier of agentic AI and eager to integrate technologies like MCP, agent workflows, and ML/RL techniques to push the boundary of realism in cyber emulation. Collaborative & Pragmatic Architect: You excel at breaking down ambiguous problems into manageable solutions and balancing technical perfection with business delivery goals. Growth-Minded & Open: You embrace continuous feedback, enjoy mentoring colleagues, and foster psychological safety through constructive, honest collaboration. Outcome & Systems-Focused: You are driven by impact and customer outcomes, building reusable, maintainable systems that scale seamlessly with business growth. Cybersecurity Enthusiast: You bring domain interest or hands-on experience in security platforms and love solving challenges unique to cyber simulation. Our Tech Stack: Languages: Kotlin, Java, Python, Go Frameworks & Infrastructure: Spring Boot, Kubernetes, Docker, VMware Architecture: Microservices, Event-Driven Systems, Distributed Messaging We’re proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success: Compensation. Base salary range: $185,000 – $260,000, reflecting our confidence in your expertise and impact, with the opportunity for annual bonuses tied to company performance and individual contributions. Health & Wellness. Comprehensive medical, dental, and vision benefits, plus savings plans—coverage starts on day one! Mental Health Support. Access to company-paid counseling, coaching, and resources for you and your family through Spring Health. Financial Well-Being. Plan for your future with a 401(k)-retirement savings plan featuring a company match. Parental Leave. Paid leave plans to support you and your loved ones during life’s most important moments. Ownership Opportunities: Equity stock options at hire, with annual performance-based grants—become an invested stakeholder in our shared success. Referral Rewards: Earn $1,500–$3,500 for every qualified hire through our employee referral program. Peloton Interactive Wellness Program: Full- and partial- subsidized membership plans and equipment discounts to help you reach your personalized wellness goals. Continuous Learning: Access a LinkedIn Learning membership to prioritize your personal and professional development. Social Connections: Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community. Extra Perks: Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life’s details. SimSpace is an Equal Opportunity Employer: In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. SimSpace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. We are committed to providing an inclusive and welcoming environment for all members of our staff, clients, volunteers, subcontractors, vendors, and clients. Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. However, no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application! We also consider qualified applicants regardless of criminal histories, in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability, please contact careers@simspace.com. SimSpace does not accept unsolicited resumes from employment agencies. Actual compensation for the position is based on a variety of factors, including, but not limited to affordability, skills, qualifications and experience, and may vary from the range.

Lead design and development of containerized microservices for cyber range simulations, mentor engineers, and set technical direction. | 8+ years in software development with leadership experience, expertise in Java/Kotlin, event-driven systems, Kubernetes, and knowledge of offensive security and networking. | We are looking for: A Staff Software Engineer for our Attack and User Emulation (AUE) Team to provide expertise in microservices, event-driven messaging systems, Spring Boot, and containerization. In this role, you will drive delivery of various containerized microservices that provide the core activity emulation services of our cyber ranges. These services allow our users to simulate real-life cyber attacks and user personas to add high fidelity realism to our products. You'll be responsible for setting technical direction across the team, guiding engineering practices, system architecture, and cultivating a culture of continuous improvement. Your mentorship will be key in helping senior and mid-level team members grow, while you contribute directly to code, design, and architecture. You will be expected to operate with a high degree of autonomy, define solutions to ambiguous problems, and influence technical decisions beyond your immediate team. What will you be doing as our Staff Software Engineer on the AUE team: • Design, develop, and maintain the core services for offensive cybersecurity and user emulation in our range simulation environment, focusing on scalability, performance, and fault tolerance. • Own and drive end-to-end technical projects, from requirements gathering and architecture design to deployment. This includes defining scope, identifying risks, and aligning stakeholders across teams, while setting clear goals and priorities. • Mentor and support engineers on the team; promote a collaborative culture and guide the team in coding best practices, testing, and architectural design. Actively develop the technical skills of senior engineers and help raise the overall engineering bar on the team. • Define and evangelize technical architecture, system design, and best practices through documentation, design reviews, and team forums to ensure knowledge sharing and alignment. • Collaborate with Product Managers and UX Designers to create user-centered solutions that are technically robust and aligned across all departmental priorities and the needs of the business. Proactively surface technical tradeoffs and their business implications to non-technical stakeholders. • Take ownership of cross-team outcomes by ensuring the AUE team's technical decisions, interfaces, and delivery commitments reflect the needs of the broader organization,not just internal team goals. Measure success by the value delivered to the full product and its users, not just what your team ships. • Partner with other engineering teams as both a consumer and provider of APIs and services, treating those teams as customers with real needs, SLAs, and feedback loops. Advocate for the end-to-end product experience rather than optimizing for your team's contribution in isolation. • Build and maintain strong working relationships with partner engineering teams, proactively communicating changes, soliciting feedback on interfaces and contracts, and ensuring the AUE team is a reliable, high-trust dependency for the rest of the organization. • Conduct code reviews and provide constructive feedback to ensure code quality, performance, and adherence to company standards. • Implement robust monitoring and alerting strategies to maintain high uptime and quick response to potential system issues. • Ensure services meet security and compliance standards by integrating appropriate controls into the development lifecycle. • Identify gaps in tooling, processes, or architecture before they become problems,and drive the initiatives needed to address them. What are the qualifications to apply? To be successful as a Staff Software Engineer on AUE team you need to have: • 8+ years of hands-on experience in software development with proven skills in building large-scale, distributed systems. Experience operating as a technical lead or Staff-level engineer, with demonstrated influence beyond your immediate team. • Expertise in an OOP-based language such as Java or Kotlin, with a demonstrable knowledge of API design, integration, and best practices. • Experience with event-driven architectures and messaging systems (e.g., Kafka, RabbitMQ, or similar). • Proven experience with unit testing, integration testing, and deploying services in Kubernetes or a similar container orchestration platform. • Demonstrated ability to design, build, and operate fault-tolerant systems, including experience in requirements gathering, risk identification, project breakdown, and sequencing for efficient development. • Strong communication skills to present and articulate designs to technical and non-technical audiences ,including experience leading architecture reviews and influencing technical direction. • Understanding of offensive security methods and tactics. • Knowledge of networking concepts including DNS, TCP/IP, routing protocols. Who you are: • You feel comfortable leading, motivating, and delegating team initiatives,and you default to growing others rather than hoarding technical ownership. • You enjoy solving complex problems & building solutions through collaborative methods. • You see your team's work in the context of the broader product. You care about how other teams integrate with what you build, and you measure success by the outcomes your work enables across the organization, not just what gets shipped. • You are always open for feedback, and are willing to give feedback to your colleagues. • You understand that nothing is perfect and there is always room for improvement. • You are comfortable with ambiguity, fast-paced delivery, and pivoting when priorities change. You don't wait for a problem to be fully defined,you drive clarity. • You are driven off of goals and team outcomes. • You are focused on the iterative delivery of high-quality well tested code. • You are conscious of scalability, re-usability, but also realistic when it comes to trade-offs. • You have worked in the security domain or security adjacent area building tools and products used world-wide by security professionals. • You think in systems. You consider how your decisions affect teams and services beyond your own. Our Tech Stack: • Kotlin, Java, Springboot, Kubernetes We're proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success: • Compensation. Base salary range: $185,000 - $260,000, reflecting our confidence in your expertise and impact, with the opportunity for annual bonuses tied to company performance and individual contributions. • Health & Wellness. Comprehensive medical, dental, and vision benefits, plus savings plans-coverage starts on day one! • Mental Health Support. Access to company-paid counseling, coaching, and resources for you and your family through Spring Health. • Financial Well-Being. Plan for your future with a 401(k)-retirement savings plan featuring a company match. • Parental Leave. Paid leave plans to support you and your loved ones during life's most important moments. • Ownership Opportunities: Equity stock options at hire, with annual performance-based grants-become an invested stakeholder in our shared success. • Referral Rewards: Earn $1,500-$3,500 for every qualified hire through our employee referral program. • Peloton Interactive Wellness Program: Full- and partial- subsidized membership plans and equipment discounts to help you reach your personalized wellness goals. • Continuous Learning: Access a LinkedIn Learning membership to prioritize your personal and professional development. • Social Connections: Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community. • Extra Perks: Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life's details. • Semi-flexible hours, with the expectation that you overlap the main part of the day to meet deadlines, collaborate with colleagues and attend key meetings.

Lead technical delivery and coordinate cybersecurity exercises and customer engagements. | 3+ years project management in cybersecurity, U.S. citizenship, network and threat intelligence knowledge, and up to 25% travel. | SimSpace serves as an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment. Trusted by allied governments, militaries, enterprises, and research institutions worldwide, SimSpace enables adaptive, AI-ready defenses that stay ahead of evolving threats. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the platform unifies training, testing, and validation in a realistic, live-fire simulation—helping teams evaluate security investments, optimize performance, and compress cyber readiness cycles from months to days. Why join SimSpace? We are an organization that is focused on building our culture and mindfully enhancing our atmosphere every day which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members, external clients, and their customers. How Do We Work? We believe that people are at the center of everything we do. SimSpace fosters a culture of continuous learning, curiosity, and professional growth. That belief shows up in action: in-house training, internal and external learning platforms, cyber conferences, industry events, and dedicated time for skill development. Our people are empowered to shape their careers - and it shows. Year over year, SimSpace consistently outperforms industry benchmarks in internal mobility, promotions, and total rewards growth. Who Thrives Here? We are a team of innovators, protectors, and problem-solvers. We believe diversity of thought and experience fuels better solutions, and we’re committed to building teams that reflect the communities we serve. Whether you’re remote or office-based, you’ll collaborate with talented colleagues across departments and time zones, united by the mission to create a safer digital world. We invite you to apply today! We are looking for a Cybersecurity Project Manager We are looking for a highly motivated cybersecurity professional that is excited to help customers improve their cybersecurity posture. As a Cybersecurity Project Manager you are responsible for the overall technical delivery and success of our customer use cases. You will be the interface between the customer and all Professional Services teams. You are responsible for managing all details, leading all internal and external planning meetings, coordinating with customer contacts and Professional Services teams, and providing status updates. Travel - This role will require national and international travel estimated up to 25% What you will do: Coordination of Cyber Range Test Environments Coordinate cyber range environments that allow customers to safely build, train, and evaluate AI agents against realistic adversary behaviors, enterprise network conditions, simulated telemetry, security tool outputs, and operational workflows Support customers in training AI agents using realistic cyber scenarios, including attack progression, detection events, incident artifacts, forensic evidence, adversary TTPs, and SOC decision points Collaborate with range engineers, AI engineers, detection engineers, threat emulation teams, and customer SOC teams to create repeatable AI agent test scenarios mapped to real-world threats and defensive objectives Help customers compare AI agent performance against baseline human workflows, existing automation, playbooks, and security stack capabilities Document AI agent test outcomes, gaps, risks, improvement opportunities, and recommended next steps in customer-ready reports and executive summaries Develop repeatable AI agent validation playbooks, test plans, scoring rubrics, and after-action reporting templates for use across customer engagements Support customers in progressing from prototype AI agent concepts to validated operational use cases that can be safely integrated into cyber defense workflows Ensure customers can demonstrate that their AI agents are not only functional, but tested, trusted, monitored, and aligned to real-world cyber defense requirements Exercise Planning and Execution Lead the overall event and be responsible for the ultimate success Interface with the customer to define goals, scope and schedule Develop detailed event schedules, tasks and milestones Work with customer to define requirements for network topology, defensive tool suite, and threat presentation Scope level of effort and staffing with supporting Professional Services teams Track all activities associated with the events planning, preparation, execution and reporting providing leadership updates on any areas of concern Work with the customer event lead to manage all details Lead all internal and customer-facing planning meetings Lead the event execution and post-event administration Customer Relations Structure and lead teams to deliver outstanding customer experiences and value Build and maintain strong customer relationships; exceptional relationship-builder Share in knowledge dissemination, reporting, and communications Ability to work efficiently and flexibility to bring value to customers via the SimSpace platform and associated events Build and maintain relationships with a wide array of people – junior and senior, and from diverse backgrounds What are the qualifications to apply? To be successful as a Cybersecurity Project Manager on SimSpace’s Team, you need to have: 3+ years in a project management position in a cybersecurity-oriented organization This role requires U.S. citizenship This role will require the ability to travel nationally and internationally up to an estimated amount of 25% Good understanding of cybersecurity, networks, threat intelligence, and cyber operations (defensive and offensive) Enterprise management level understanding of IT programs and cybersecurity Experience with cyber intelligence and/or instruction a plus Ability to gather and translate requirements from customers into actionable information that can be executed Success in roles requiring execution of multiple tasks while responding to multiple priorities ensuring projects are brought to the finish line Project and program management experience with attention to detail Outstanding communication and interpersonal skills are essential We’re proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success: Compensation. Base salary range: $115,000 - $135,000 reflecting our confidence in your expertise and impact, with the opportunity for bonuses tied to individual and company performance. Health & Wellness. Comprehensive medical, dental, and vision benefits, plus savings plans—coverage starts on day one! Mental Health Support. Access to company-paid counseling, coaching, and resources for you and your family through Spring Health. Financial Well-Being. Plan for your future with a 401(k)-retirement savings plan featuring a company match. Flexible Time Off. Take the time you need with unlimited vacation and dedicated health & wellness days. SimSpace provides flexible solutions to meet the diverse work-life needs of team members. Parental Leave. Paid leave plans to support you and your loved ones during life’s most important moments. Ownership Opportunities. Equity stock options at hire, with annual performance-based grants—become an invested stakeholder in our shared success. Referral Rewards. Earn $1,500–$3,500 for every qualified hire through our employee referral program. Peloton Interactive Wellness Program. Full- and partial- subsidized membership plans and equipment discounts to help you reach your personalized fitness goals. Continuous Learning. Access a LinkedIn Learning membership to prioritize your personal and professional development. Social Connections. Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community. Extra Perks. Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life’s details. SimSpace is an Equal Opportunity Employer: In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. SimSpace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. We are committed to providing an inclusive and welcoming environment for all members of our staff, clients, volunteers, subcontractors, vendors, and clients. Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. However, no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application! We also consider qualified applicants regardless of criminal histories, in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability, please contact careers@simspace.com. SimSpace does not accept unsolicited resumes from employment agencies. Actual compensation for the position is based on a variety of factors, including, but not limited to affordability, skills, qualifications and experience, and may vary from the range.

Lead AI-focused product vision and roadmap to enhance cybersecurity platform capabilities. | 8+ years product management with strong cybersecurity and AI platform experience and deep technical fluency. | SimSpace serves as an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment. Trusted by allied governments, militaries, enterprises, and research institutions worldwide, SimSpace enables adaptive, AI-ready defenses that stay ahead of evolving threats. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the platform unifies training, testing, and validation in a realistic, live-fire simulation—helping teams evaluate security investments, optimize performance, and compress cyber readiness cycles from months to days. Why join SimSpace? We are an organization that is focused on building our culture and mindfully enhancing our atmosphere every day which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members, external clients, and their customers. How Do We Work? We believe that people are at the center of everything we do. SimSpace fosters a culture of continuous learning, curiosity, and professional growth. That belief shows up in action: in-house training, internal and external learning platforms, cyber conferences, industry events, and dedicated time for skill development. Our people are empowered to shape their careers - and it shows. Year over year, SimSpace consistently outperforms industry benchmarks in internal mobility, promotions, and total rewards growth. Who Thrives Here? We are a team of innovators, protectors, and problem-solvers. We believe diversity of thought and experience fuels better solutions, and we’re committed to building teams that reflect the communities we serve. Whether you’re remote or office-based, you’ll collaborate with talented colleagues across departments and time zones, united by the mission to create a safer digital world. We invite you to apply today! Summary As a Principal Product Manager at SimSpace, you will help define the future of cybersecurity and AI readiness. SimSpace provides advanced, realistic cyber ranges as an AI Proving Grounds for mission critical organizations worldwide. This role is strategic in leading the development of our platform to enable organizations to train defenders, evaluate security controls, rehearse missions, test operational resilience, and validate emerging AI and agentic systems under realistic conditions. AI systems and autonomous agents are rapidly becoming part of how organizations defend, operate, automate, and make decisions. As adoption accelerates, enterprises and government organizations need trusted environments to understand how these systems perform, where they fail, how they behave under adversarial pressure, and whether they can be safely deployed in mission-critical workflows. SimSpace is uniquely positioned to provide the realistic cyber environments, instrumentation, emulation, and validation workflows required to support that transformation. In this role, you will define and drive platform capabilities that support AI training, testing, evaluation, and validation within realistic cyber environments. The role requires a product leader who can operate at the intersection of AI systems, cybersecurity, enterprise platform architecture, simulation, automation, and customer outcomes. You will partner across engineering, design, cyber subject matter experts, go-to-market teams, and customers to ensure SimSpace products are technically sound, commercially relevant, strategically differentiated, and measurable in the value they deliver. Key Responsibilities Product Strategy & Roadmap Define and communicate the product vision, strategy, and roadmap for platform capabilities that support AI Proving Grounds, agent validation, cyber tool efficacy, security automation, and realistic cyber training and testing. Identify customer, market, and technology trends at the intersection of AI, cybersecurity, autonomous agents, cyber ranges, simulation, security operations, and controls validation. Prioritize features and initiatives based on customer value, strategic differentiation, business impact, technical feasibility, platform leverage, and long-term product direction. Translate ambiguous market needs into clear product opportunities, investment rationale, roadmap sequencing, and measurable success criteria. Build alignment across product, engineering, leadership, sales, marketing, customer success, support, and cyberscurity subject matter experts. Platform Product Development Partner closely with engineering and design teams to develop and deliver high-quality core and cross-application platform capabilities. Create and manage initiative- and epic-level requirements, acceptance criteria, and supporting documentation that enable engineering teams to deliver against defined outcomes. Define functional and non-functional requirements for platform capabilities, including performance, reliability, scalability, security, observability, data quality, extensibility, integration, and operational requirements. Shape platform capabilities that may include environment orchestration, scenario execution, AI and agent interfaces, evaluation workflows, telemetry, ground truth, reporting, APIs, infrastructure automation, and customer-facing controls. Serve as a credible product partner to senior engineering leaders on architectural tradeoffs, system constraints, technical dependencies, implementation approaches, and delivery risks. Manage the product lifecycle from concept through launch and ongoing adoption, ensuring timely delivery and measurable customer impact. Partner with cybersecurity subject matter experts to ensure platform capabilities reflect realistic attacks, threat actor behavior, adversary emulation, defender workflows, operational constraints, and controls validation needs. Establish product capabilities that help customers connect AI and agent validation to readiness, resilience, risk reduction, and mission outcomes. Stakeholder Management Collaborate with stakeholders across the organization to align on product goals, roadmap priorities, technical tradeoffs, and launch plans. Communicate product strategy, progress, risks, decisions, and outcomes to senior leadership and other key stakeholders. Represent platform strategy in customer conversations, executive discussions, roadmap reviews, and cross-functional planning. Resolve prioritization conflicts across customer needs, engineering constraints, business requirements, and long-term platform health. Customer Focus Gather and analyze customer feedback, market signals, and competitive insights to inform product decisions. Work with customer success, sales, solutions, support, and cyber subject matter experts to understand customer needs, pain points, workflows, and emerging buying patterns. Develop a deep understanding of how customers train defenders, validate controls, assess cyber readiness, evaluate security investments, and explore AI or agentic use cases. Ensure the product delivers a compelling user experience and meets the needs of technical users, security leaders, operators, and executive buyers. Performance & Metrics Define and monitor key product metrics to measure success and drive continuous improvement. Establish measures for platform adoption, workflow completion, evaluation quality, reliability, performance, customer value, and business impact. Connect platform investments to outcomes that customers and the business can understand and measure. Leadership Mentor and guide product managers and cross-functional team members. Raise the quality of product thinking, requirements definition, technical discovery, roadmap communication, and outcome measurement across the team. What Are The Qualifications To Apply? To be successful as a Principal Product Manager, AI Platform and Cyber Validation, you need: Minimum of 8 years of product management experience with a proven track record of delivering successful technical products, or equivalent experience in cybersecurity, AI infrastructure, platform engineering, simulation, security operations, or enterprise technology. Demonstrated experience owning cyber products, platform products, infrastructure products, developer platforms, enterprise technical products, AI/ML platforms, cloud platforms, or other complex systems-oriented products. Strong technical fluency and the ability to work directly with senior engineering leaders on architecture, platform design, APIs, data flows, integrations, scalability, reliability, security, and implementation tradeoffs. Experience defining clear functional and non-functional requirements that enable engineering teams to understand the intended outcome, constraints, customer value, and success criteria. Strategic product judgment, including the ability to connect technical platform investments to customer value, market differentiation, business outcomes, and long-term product direction. Working knowledge of cybersecurity concepts related to attacks, adversary behavior, threat actors, threat emulation, detection, response, controls validation, and security operations. Strong understanding of enterprise customer needs, technical buying dynamics, stakeholder management, and product discovery in complex B2B environments. Excellent written and verbal communication skills, including the ability to translate complex platform, AI, and cybersecurity concepts into clear product strategy and customer value. Preferred But Not Required Experience with AI/ML infrastructure, autonomous agents, LLM applications, model evaluation, agent evaluation, GPU/CPU performance considerations, data pipelines, or AI development workflows. Experience with platform technologies such as cloud infrastructure, hybrid cloud, Kubernetes, containers, virtualization, hypervisors, APIs, distributed systems, developer experience, observability, or infrastructure automation. Experience with cyber ranges, simulation environments, training platforms, security operations, threat emulation, adversary emulation, red team or blue team workflows, incident response, or controls validation. Familiarity with security tools or concepts such as SIEM, EDR, IDS/IPS, vulnerability assessment, penetration testing, threat intelligence, MITRE ATT&CK, Cobalt Strike, Metasploit, Burp Suite, Nmap, Wireshark, or Splunk. Experience building or scaling products that serve both technical operators and executive decision-makers. Relevant certifications such as CISSP, OSCP, CEH, GCIH, PMP, PMC, or equivalent experience are helpful but not required. We’re proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success: Compensation. Base salary range: $215,000 – $250,000, reflecting our confidence in your expertise and impact, with the opportunity for annual bonuses tied to company performance and individual contributions. Health & Wellness. Comprehensive medical, dental, and vision benefits, plus savings plans—coverage starts on day one! Mental Health Support. Access to company-paid counseling, coaching, and resources for you and your family through Spring Health. Financial Well-Being. Plan for your future with a 401(k)-retirement savings plan featuring a company match. Flexible Time Off. Take the time you need with unlimited vacation and dedicated health & wellness days. SimSpace provides flexible solutions to meet the diverse work-life needs of team members. Parental Leave. Paid leave plans to support you and your loved ones during life’s most important moments. Ownership Opportunities: Equity stock options at hire, with annual performance-based grants—become an invested stakeholder in our shared success. Referral Rewards: Earn $1,500–$3,500 for every qualified hire through our employee referral program. Peloton Interactive Wellness Program: Full- and partial- subsidized membership plans and equipment discounts to help you reach your personalized fitness goals. Continuous Learning: Access a LinkedIn Learning membership to prioritize your personal and professional development. Social Connections: Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community. Extra Perks: Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life’s details. SimSpace is an Equal Opportunity Employer: In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. SimSpace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. We are committed to providing an inclusive and welcoming environment for all members of our staff, clients, volunteers, subcontractors, vendors, and clients. Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. However, no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application! We also consider qualified applicants regardless of criminal histories, in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability, please contact careers@simspace.com. SimSpace does not accept unsolicited resumes from employment agencies. Actual compensation for the position is based on a variety of factors, including, but not limited to affordability, skills, qualifications and experience, and may vary from the range.

Design, develop, and maintain scalable backend microservices for cybersecurity simulations while mentoring team members. | 6+ years in software development with expertise in OOP languages, microservices, container orchestration, and cybersecurity knowledge. | Senior Software Engineer 1 (AUE: Attack and User Emulation Team) SimSpace serves as an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment. Trusted by allied governments, militaries, enterprises, and research institutions worldwide, SimSpace enables adaptive, AI-ready defenses that stay ahead of evolving threats. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the platform unifies training, testing, and validation in a realistic, live-fire simulation—helping teams evaluate security investments, optimize performance, and compress cyber readiness cycles from months to days. We are looking for a Backend Senior Software Engineer, AUE (AUE: Attack and User Emulation) to provide expertise in microservices, event-driven messaging systems, Spring Boot, and containerization. In this role, you will drive delivery of various containerized microservices that provide the core emulation services of our cyber ranges. These services allow our users to simulate real-life cyber attacks and user personas to add high fidelity realism to our products. You'll be responsible for ensuring our engineering practices are exemplary by guiding the team on best coding practices, system architecture, and cultivating a culture of continuous improvement. Your mentorship will be key in helping team members grow, while you contribute directly to code, design, and architecture. What will you be doing as our Backend Senior Software Engineer, AUE: • Design, develop, and maintain core services for cybersecurity range simulation, focusing on scalability, performance, and fault tolerance. • Lead end-to-end technical projects, from requirements gathering and architecture design to deployment, while setting clear goals and priorities. • Mentor and support engineers on the team, promoting a collaborative culture and guiding them in coding best practices, testing, and architectural design. • Collaborate cross-functionally with Product Managers and UX Designers to translate requirements into technically sound, user-centered solutions. • Conduct code reviews and provide constructive feedback to ensure code quality, performance, and adherence to company standards. • Implement robust monitoring and alerting strategies to maintain high uptime and quick response to potential system issues. • Ensure services meet security and compliance standards by integrating appropriate controls into the development lifecycle. • Contribute to documentation that details technical architecture, system design, and best practices to ensure knowledge sharing and team alignment. What are the qualifications to apply? To be successful as a Backend Senior Software Engineer (AUE: Attack and User Emulation Team) you need to have: • 6+ years of hands-on experience in software development with a strong focus on building large-scale, distributed systems. • Expertise in an OOP-based language such as Java or Kotlin, with a demonstrable understanding of API design, integration, and best practices. • Proven experience with unit testing, integration testing, and deploying services in Kubernetes or a similar container orchestration platform. • Demonstrated ability to design, build, and operate fault-tolerant systems, including experience in requirements gathering and project breakdown. • Knowledgeable in cyber security with a broad understanding of offensive and defensive security. Who you are: • You feel comfortable leading, driving, and delegating team initiatives • You enjoy solving complex problems & building solutions through collaborative methods • You're always open for feedback, and are willing to give feedback to your colleagues • You understand that nothing is perfect and there is always room for improvement • You are driven off of goals and team outcomes • You're focused on the iterative delivery of high-quality well tested code • You're conscious of scalability, re-usability, but also pragmatic when it comes to trade-offs • You've worked in or tangential to the cybersecurity field Our Tech Stack: Python, golang, Kotlin, Java, Kubernetes, Docker, Spring Boot, VMware We're proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success: • Compensation. Base monthly pay range: 1,500,000 CRC - 2,500,000 CRC reflecting our confidence in your expertise and impact, with the opportunity for annual bonuses tied to company performance and individual contributions. • Health & Wellness. Private medical, dental, vision, and life benefits. • Mental Health Support. Access to company-paid counseling, coaching, and resources for you and your family through Spring Health. • Parental Leave. Paid leave plans to support you and your loved ones during life's most important moments. • Ownership Opportunities. Equity stock options at hire, with annual performance-based grants—become an invested stakeholder in our shared success. • Continuous Learning. Access a LinkedIn Learning membership to prioritize your personal and professional development. • Social Connections. Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community. SimSpace is an Equal Opportunity Employer: In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. SimSpace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. We are committed to providing an inclusive and welcoming environment for all members of our staff, clients, volunteers, subcontractors, vendors, and clients. Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. However, no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application! We also consider qualified applicants regardless of criminal histories, in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability, please contact careers@simspace.com. SimSpace does not accept unsolicited resumes from employment agencies. Actual compensation for the position is based on a variety of factors, including, but not limited to affordability, skills, qualifications and experience, and may vary from the range.