<div>Radiant is an El-Segundo, CA-based 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. Radiant's goal is to bring one of the world's first factory-constructed microreactors to market. 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. </div> AboutRadiant is seeking a Supplier Development Engineer responsible for the onboarding, qualification, auditing, and ongoing development of suppliers to ensure compliance with applicable nuclear and industrial quality codes and standards. This role will help build a world-class, compliant, and reliable supply base capable of delivering high-quality, safety-critical components for our micro reactor systems. The ideal candidate is detail-oriented, collaborative, and eager to grow subject matter expertise within highly regulated industries.Responsibilities<ul><li>Lead the supplier onboarding and qualification process, including pre-assessments, audits, and capability reviews.</li><li>Conduct supplier audits against relevant standards (references skills &amp; qualifications below)</li><li>Manage supplier corrective actions, non-conformance investigations, root cause analysis, and effective resolution of supplier quality issues.</li><li>Oversee supplier inspections, product witness points, and documentation reviews to ensure code and specification compliance.</li><li>Partner cross-functionally with design, materials, and manufacturing engineering teams to understand technical design intent — including components, assemblies, and metrology — and support resolution of supplier quality and performance issues.</li><li>Track supplier performance metrics and drive continuous improvement initiatives.</li><li>Work toward achieving certified NQA-1 auditor status (if not already certified) and pursue qualified inspector credentials as appropriate.</li><li>Support supplier capability development plans to meet evolving quality and regulatory requirements.</li><li>Maintain accurate records and reports to support audits, regulatory reviews, and internal reporting.</li></ul>Deliverables<ul><li>Lead supplier onboarding, capability assessments, and compliance audits against NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ASME, ISO, and other standards.</li><li>Maintain supplier performance metrics, manage supplier scorecards, and drive continuous improvement initiatives based on audit results and performance trends.</li><li>Investigate supplier non-conformances, lead root cause analysis, manage corrective actions (SCARs), and verify resolution effectiveness.</li><li>Develop and execute inspection and witness point plans, perform code-compliant product inspections, and review documentation for critical nuclear components.</li><li>Obtain Certified NQA-1 Lead Auditor status within 12 months, work toward Qualified Inspector credentials, and stay current on applicable codes, standards, and industry best practices.</li></ul>Skills &amp; Qualifications<ul><li>Required:<ul><li>Bachelor’s degree in Engineering, Supply Chain, Quality, or a related field.</li><li>2–7 years of relevant experience in supplier quality, supplier development, or quality engineering within highly regulated industries (nuclear, aerospace, medical device, or industrial).</li><li>Working knowledge of quality systems such as ISO-9001, AS-9100, or equivalent.</li><li>Establish proactive communication channels and trusted relationships with key suppliers to ensure consistent performance, foster collaboration, and drive continuous improvement.</li><li>Ability and willingness to travel to supplier locations domestically and internationally (up to 30%).</li></ul></li></ul><ul><li>Preferred:<ul><li>Experience in the nuclear energy industry or working with nuclear codes, standards, and regulations.</li><li>Familiarity with NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ASME BPVC Section III &amp; VIII.</li><li>Experience conducting supplier audits, product inspections, and quality investigations.</li><li>Certified NQA-1 Lead Auditor or willingness to obtain certification within 12 months.</li><li>Qualified Inspector status (ASME Section III) or working toward it.</li><li>Exposure to ISO-17025 accredited laboratories or certification bodies.</li></ul></li></ul>Additional Requirements<ul><li>Must be willing to work extended hours and weekends as necessary to accomplish our mission.</li><li>Must work 100% onsite at El Segundo HQ. </li></ul><div>Employee Benefits for Eligible Employees:<ul><li>Stock: Substantial incentive stock plan for all full time, salaried employees.</li><li>Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.</li><li>One Medical: Sponsored memberships for employees and their dependents. </li><li>Vision: 100% top tier plan coverage + 50% for dependents.</li><li>Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.</li><li>Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits.</li><li>Free snacks and drinks onsite. </li><li>Flexible PTO policy.</li></ul>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.Unfortunately, we are unable to provide visa sponsorship at this time. 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. </div>

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;

Supplier Development Engineer

<div>Radiant is an El-Segundo, CA-based 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. Radiant's goal is to bring one of the world's first factory-constructed microreactors to market. 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;</div>&nbsp;AboutRadiant is seeking a Supplier Development Engineer responsible for the onboarding, qualification, auditing, and ongoing development of suppliers to ensure compliance with applicable nuclear and industrial quality codes and standards. This role will help build a world-class, compliant, and reliable supply base capable of delivering high-quality, safety-critical components for our micro reactor systems. The ideal candidate is detail-oriented, collaborative, and eager to grow subject matter expertise within highly regulated industries.Responsibilities<ul><li>Lead the supplier onboarding and qualification process, including pre-assessments, audits, and capability reviews.</li><li>Conduct supplier audits against relevant standards (references skills &amp; qualifications below)</li><li>Manage supplier corrective actions, non-conformance investigations, root cause analysis, and effective resolution of supplier quality issues.</li><li>Oversee supplier inspections, product witness points, and documentation reviews to ensure code and specification compliance.</li><li>Partner cross-functionally with design, materials, and manufacturing engineering teams to understand technical design intent — including components, assemblies, and metrology — and support resolution of supplier quality and performance issues.</li><li>Track supplier performance metrics and drive continuous improvement initiatives.</li><li>Work toward achieving certified NQA-1 auditor status (if not already certified) and pursue qualified inspector credentials as appropriate.</li><li>Support supplier capability development plans to meet evolving quality and regulatory requirements.</li><li>Maintain accurate records and reports to support audits, regulatory reviews, and internal reporting.</li></ul>Deliverables<ul><li>Lead supplier onboarding, capability assessments, and compliance audits against NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ASME, ISO, and other standards.</li><li>Maintain supplier performance metrics, manage supplier scorecards, and drive continuous improvement initiatives based on audit results and performance trends.</li><li>Investigate supplier non-conformances, lead root cause analysis, manage corrective actions (SCARs), and verify resolution effectiveness.</li><li>Develop and execute inspection and witness point plans, perform code-compliant product inspections, and review documentation for critical nuclear components.</li><li>Obtain Certified NQA-1 Lead Auditor status within 12 months, work toward Qualified Inspector credentials, and stay current on applicable codes, standards, and industry best practices.</li></ul>Skills &amp; Qualifications<ul><li>Required:<ul><li>Bachelor’s degree in Engineering, Supply Chain, Quality, or a related field.</li><li>2–7 years of relevant experience in supplier quality, supplier development, or quality engineering within highly regulated industries (nuclear, aerospace, medical device, or industrial).</li><li>Working knowledge of quality systems such as ISO-9001, AS-9100, or equivalent.</li><li>Establish proactive communication channels and trusted relationships with key suppliers to ensure consistent performance, foster collaboration, and drive continuous improvement.</li><li>Ability and willingness to travel to supplier locations domestically and internationally (up to 30%).</li></ul></li></ul><ul><li>Preferred:<ul><li>Experience in the nuclear energy industry or working with nuclear codes, standards, and regulations.</li><li>Familiarity with NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ASME BPVC Section III &amp; VIII.</li><li>Experience conducting supplier audits, product inspections, and quality investigations.</li><li>Certified NQA-1 Lead Auditor or willingness to obtain certification within 12 months.</li><li>Qualified Inspector status (ASME Section III) or working toward it.</li><li>Exposure to ISO-17025 accredited laboratories or certification bodies.</li></ul></li></ul>Additional Requirements<ul><li>Must be willing to work extended hours and weekends as necessary to accomplish our mission.</li><li>Must work 100% onsite at El Segundo HQ.&nbsp;</li></ul><div>Employee Benefits for Eligible Employees:<ul><li>Stock: Substantial incentive stock plan for all full time, salaried employees.</li><li>Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.</li><li>One Medical: Sponsored memberships for employees and their dependents.&nbsp;</li><li>Vision: 100% top tier plan coverage + 50% for dependents.</li><li>Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.</li><li>Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits.</li><li>Free snacks and drinks onsite.&nbsp;</li><li>Flexible PTO policy.</li></ul>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.Unfortunately, we are unable to provide visa sponsorship at this time. 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. </div>

Supplier Development Engineer

About the Job

About the Company

Radiant

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