<div><p>Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.</p></div><h1>About the Role</h1><p>We're building a new team to own Radiant's internal data infrastructure, executive analytics, and AI capabilities. As the Technical Lead (Director), you'll set the technical direction for the team—architecting the data platform, owning the AI strategy, and ensuring we make the right build-vs-buy decisions.</p><p>This is a player-coach role. You'll lead technical direction and mentor engineers, but you'll also go hands-on when needed. You'll own the AI vendor evaluation process, which is critical given our ITAR/EAR security requirements—standard AI tools don't work out of the box, and we need someone who can navigate the landscape and find compliant solutions.</p><h1>What You'll Do</h1><ul><li><strong>Set technical direction: </strong>Define the architecture for our data platform (Databricks, Fivetran, dbt) and AI tooling; make build-vs-buy decisions</li><li><strong>Own AI strategy: </strong>Evaluate and select AI platforms (chatbot, enterprise search, specialized tools) that meet security requirements; lead RAG evaluation in H2</li><li><strong>Lead technical delivery: </strong>Ensure the ION-Ramp integration, dashboards, and AI tools are built correctly; hands-on when needed</li><li><strong>Mentor engineers: </strong>Set the technical bar for hiring; develop the DevOps and Data Platform Engineers on the team</li><li><strong>Interface with SWE: </strong>Coordinate with the Software Engineering team on shared Databricks infrastructure; ensure operational and engineering workloads coexist</li><li><strong>Navigate security: </strong>Work with IT/Security to ensure all technical decisions meet ITAR/EAR compliance requirements</li></ul><h1>What We're Looking For</h1><h2>Required</h2><ul><li>10+ years of software or data engineering experience, including hands-on AI/ML work</li><li>Deep understanding of the AI landscape—you can evaluate vendor tools, understand RAG architectures, and advise on build-vs-buy tradeoffs</li><li>Data platform architecture experience—you've designed and built systems on Databricks, Snowflake, or similar</li><li>Strong technical leadership—you can set direction, mentor engineers, and interface effectively with non-technical stakeholders</li><li>Hands-on ability—you're a player-coach who can write code when needed, not just draw diagrams</li></ul><h2>Preferred</h2><ul><li>Background in hardware, aerospace, or defense—you understand manufacturing data, supply chain systems, and the complexity of physical product development</li><li>Experience shipping AI products or building AI capabilities at a company (not just research)</li><li>Experience with data integration tools (Fivetran, Airbyte, dbt)</li><li>Experience in regulated environments (SOC 2, FedRAMP, ITAR)</li><li>Familiarity with BI/analytics tools (Looker, Tableau, Power BI, Databricks dashboards)</li></ul><h1>Why Join Radiant</h1><ul><li><strong>Mission: </strong>Clean energy that can go anywhere—few problems matter more</li><li><strong>Team: </strong>Work alongside exceptional people from SpaceX, Blue Origin, and other top engineering organizations</li><li><strong>Compensation: </strong>Competitive compensation with equity</li><li><strong>Benefits: </strong>Health/dental/vision, 401(k), and flexible PTO</li><li><strong>Greenfield: </strong>You'll build the data and AI platform from scratch—your architecture decisions</li><li><strong>AI at the frontier: </strong>Evaluate and deploy AI in a high-security environment where standard solutions don't work</li></ul><h1>Additional Information</h1><p>This position requires the ability to work in the United States and eligibility for access to export-controlled information under ITAR/EAR.</p><div><p><strong>Total Compensation and Benefits</strong></p><p>Radiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive benefits. Total compensation and level are determined through a holistic evaluation of your interview performance, experience, education, and qualifications. </p><p><strong>Benefits and Perks for Eligible Employees:</strong></p><ul><li>Stock: Substantial incentive stock plan for all full-time employees.</li><li>Medical: 100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.</li><li>One Medical: Sponsored memberships for eligible employees and their dependents.</li><li>Vision: 100% premium coverage for top tier plan + 50% for dependents.</li><li>Dental: 100% premium coverage for top tier plan (including orthodontia) + 50% for dependents.</li><li>Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.</li><li>8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.</li><li>Daily catered lunch. Free snacks and drinks.</li><li>Flexible PTO policy. Remote workday allocation.</li><li>Company and team-bonding events, happy hours and in-person camaraderie.</li><li>Beautiful El Segundo headquarters close to the Pacific Ocean.</li></ul><p><em>We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.</em></p><p><em>Unfortunately, we are unable to provide visa sponsorship at this time. </em></p><p><em>This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.<br></em></p></div>

<p>Radiant is a clean energy startup building a nuclear microreactor. A climate-friendly alternative to diesel generators, Radiant's Kaleidos 1MW microreactor will be the world's first portable, zero-emissions power source that works anywhere. We plan to test our development reactor by 2026 and if successful, it will be the first new commercial reactor design to achieve a fueled test in over 50 years. Our microreactor can bring power to remote parts of the world and provide backup power for life-saving applications in hospitals or disaster-relief scenarios.&nbsp;</p>

Technical Lead, Enterprise Data (Director)

<div><p>Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.</p></div><h1>About the Role</h1><p>We're building a new team to own Radiant's internal data infrastructure, executive analytics, and AI capabilities. As the Technical Lead (Director), you'll set the technical direction for the team—architecting the data platform, owning the AI strategy, and ensuring we make the right build-vs-buy decisions.</p><p>This is a player-coach role. You'll lead technical direction and mentor engineers, but you'll also go hands-on when needed. You'll own the AI vendor evaluation process, which is critical given our ITAR/EAR security requirements—standard AI tools don't work out of the box, and we need someone who can navigate the landscape and find compliant solutions.</p><h1>What You'll Do</h1><ul><li><strong>Set technical direction:&nbsp;</strong>Define the architecture for our data platform (Databricks, Fivetran, dbt) and AI tooling; make build-vs-buy decisions</li><li><strong>Own AI strategy:&nbsp;</strong>Evaluate and select AI platforms (chatbot, enterprise search, specialized tools) that meet security requirements; lead RAG evaluation in H2</li><li><strong>Lead technical delivery:&nbsp;</strong>Ensure the ION-Ramp integration, dashboards, and AI tools are built correctly; hands-on when needed</li><li><strong>Mentor engineers:&nbsp;</strong>Set the technical bar for hiring; develop the DevOps and Data Platform Engineers on the team</li><li><strong>Interface with SWE:&nbsp;</strong>Coordinate with the Software Engineering team on shared Databricks infrastructure; ensure operational and engineering workloads coexist</li><li><strong>Navigate security:&nbsp;</strong>Work with IT/Security to ensure all technical decisions meet ITAR/EAR compliance requirements</li></ul><h1>What We're Looking For</h1><h2>Required</h2><ul><li>10+ years of software or data engineering experience, including hands-on AI/ML work</li><li>Deep understanding of the AI landscape—you can evaluate vendor tools, understand RAG architectures, and advise on build-vs-buy tradeoffs</li><li>Data platform architecture experience—you've designed and built systems on Databricks, Snowflake, or similar</li><li>Strong technical leadership—you can set direction, mentor engineers, and interface effectively with non-technical stakeholders</li><li>Hands-on ability—you're a player-coach who can write code when needed, not just draw diagrams</li></ul><h2>Preferred</h2><ul><li>Background in hardware, aerospace, or defense—you understand manufacturing data, supply chain systems, and the complexity of physical product development</li><li>Experience shipping AI products or building AI capabilities at a company (not just research)</li><li>Experience with data integration tools (Fivetran, Airbyte, dbt)</li><li>Experience in regulated environments (SOC 2, FedRAMP, ITAR)</li><li>Familiarity with BI/analytics tools (Looker, Tableau, Power BI, Databricks dashboards)</li></ul><h1>Why Join Radiant</h1><ul><li><strong>Mission:&nbsp;</strong>Clean energy that can go anywhere—few problems matter more</li><li><strong>Team:&nbsp;</strong>Work alongside exceptional people from SpaceX, Blue Origin, and other top engineering organizations</li><li><strong>Compensation:&nbsp;</strong>Competitive compensation with equity</li><li><strong>Benefits:&nbsp;</strong>Health/dental/vision, 401(k), and flexible PTO</li><li><strong>Greenfield:&nbsp;</strong>You'll build the data and AI platform from scratch—your architecture decisions</li><li><strong>AI at the frontier:&nbsp;</strong>Evaluate and deploy AI in a high-security environment where standard solutions don't work</li></ul><h1>Additional Information</h1><p>This position requires the ability to work in the United States and eligibility for access to export-controlled information under ITAR/EAR.</p><div><p><strong>Total Compensation and Benefits</strong></p><p>Radiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive benefits. Total compensation and level are determined through a holistic evaluation of your interview performance, experience, education, and qualifications.&nbsp;</p><p><strong>Benefits and Perks for Eligible Employees:</strong></p><ul><li>Stock: Substantial incentive stock plan for all full-time employees.</li><li>Medical: 100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.</li><li>One Medical: Sponsored memberships for eligible employees and their dependents.</li><li>Vision: 100% premium coverage for top tier plan + 50% for dependents.</li><li>Dental: 100% premium coverage for top tier plan (including orthodontia) + 50% for dependents.</li><li>Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.</li><li>8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.</li><li>Daily catered lunch. Free snacks and drinks.</li><li>Flexible PTO policy. Remote workday allocation.</li><li>Company and team-bonding events, happy hours and in-person camaraderie.</li><li>Beautiful El Segundo headquarters close to the Pacific Ocean.</li></ul><p><em>We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.</em></p><p><em>Unfortunately, we are unable to provide visa sponsorship at this time. </em></p><p><em>This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.<br></em></p></div>

Technical Lead, Enterprise Data (Director)

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Radiant

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