Radiant
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Strategic Sourcing Manager
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Radiant . Radiant is an El Segundo, CA-based startup building portable nuclear microreactors. The company’s first reactor is a 1-megawatt failsafe microreactor designed to be transported and run for up to five years without refueling. Radiant aims to provide portable power with rapid deploy capability for hospitals, data centers, remote sites, and military bases, using a practical approach to nuclear development and modern software engineering. Founded in 2020, Radiant plans to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.
In order to make an application, simply read through the following job description and make sure to attach relevant documents. Radiant is seeking a proactive and strategic Procurement Professional to manage sourcing, negotiation, and acquisition of components, materials, and services for its micro-reactor systems. You will work closely with Supplier Development Engineers (SDEs), Engineering, Quality Assurance, and Operations to ensure suppliers meet quality, technical, commercial, and delivery requirements. The ideal candidate thrives in a fast-paced environment, has strong negotiation skills, and understands sourcing in regulated industries. Responsibilities
Strategic Sourcing: Identify, evaluate, and select potential suppliers based on cost, quality, reliability, capacity, and strategic fit, in collaboration with SDE and Engineering teams. Negotiation: Lead commercial negotiation for pricing, payment terms, lead times, and other contract terms to achieve optimal value for Radiant. Contract Management: Develop, review, and manage supplier agreements, including Master Supply Agreements (MSAs), NDAs, and Purchase Order terms and conditions. Purchase Order Management: Oversee the full PO lifecycle from requisition review to tracking, expediting, and closure to ensure timely delivery. Supplier Relationship Management: Build and maintain strong commercial relationships with key suppliers and act as primary contact for contractual and commercial matters. Cost Analysis & Optimization: Analyze market trends, supplier quotations, and total cost of ownership to identify cost-saving opportunities. Risk Management: Assess and mitigate commercial and supply chain risks, including supplier financial health and capacity constraints. Performance Monitoring: Track procurement metrics (on-time delivery, cost savings, purchase price variance) and collaborate with SDEs on supplier performance scorecards. Cross-functional Collaboration: Work with SDEs, Engineering, Quality, and Project Management to understand needs and support program timelines. Process Improvement: Develop and refine procurement policies, procedures, and systems to improve efficiency and compliance. Deliverables
Successfully negotiated contracts and favorable terms with critical suppliers. Managed portfolio of purchase orders ensuring on-time delivery aligned with project schedules. Demonstrated cost savings and avoidance through effective negotiation and sourcing strategies. Comprehensive supplier performance reports focusing on commercial and delivery metrics. Effective mitigation plans for identified supply chain risks. Streamlined procurement processes supporting Radiant’s operational needs. Strong collaborative relationships established internally (SDE, Eng, QA, Operations) and externally (suppliers). Skills & Qualifications
Required:
Bachelor’s degree in Supply Chain Management, Business Administration, Engineering, or a related field. 3–8 years of relevant experience in procurement, strategic sourcing, or supply chain management, preferably in manufacturing or technology sectors. Proven track record of successful negotiation and contract management. Strong understanding of procurement processes (RFQ/RFP, PO management, supplier evaluation). Excellent analytical, organizational, and problem-solving skills. Strong interpersonal and communication skills (written and verbal). Proficiency with ERP/MRP systems and standard office software. Ability and willingness to travel occasionally to supplier locations (up to 30%).
Preferred:
Experience in the nuclear energy industry or working with nuclear codes, standards, and regulations. Familiarity with NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ASME BPVC Section III & VIII. Experience conducting supplier audits, product and process inspections, and investigations. Familiarity with quality management systems (e.g., ISO 9001, AS9100) and their implications for procurement. Understanding of supply chain dynamics within the energy or nuclear sector.
Additional Requirements
Must be willing to work extended hours and weekends as necessary to accomplish our mission. Must work 100% onsite at El Segundo HQ. Total Compensation and Benefits 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. Benefits and Perks for Eligible Employees
Stock: Substantial incentive stock plan for all full-time employees. Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. One Medical: Sponsored memberships for employees and their dependents. Vision: 100% top tier plan coverage + 50% for dependents. Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA offered as employee-contributed benefits. 8 weeks of paid parental leave for all parents; additional paid pregnancy leave for CA employees. Daily catered lunch. Free snacks and drinks. Flexible PTO policy. Remote workday allocation. Company and team-bonding events, happy hours and in-person camaraderie. Beautiful El Segundo headquarters close to the Pacific Ocean. 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 subject to U.S. export controls. Any job offer will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Seniority level
Mid-Senior level Employment type
Full-time Job function
Purchasing and Supply Chain Industries: Nuclear Electric Power Generation
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Strategic Sourcing Manager
role at
Radiant . Radiant is an El Segundo, CA-based startup building portable nuclear microreactors. The company’s first reactor is a 1-megawatt failsafe microreactor designed to be transported and run for up to five years without refueling. Radiant aims to provide portable power with rapid deploy capability for hospitals, data centers, remote sites, and military bases, using a practical approach to nuclear development and modern software engineering. Founded in 2020, Radiant plans to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.
In order to make an application, simply read through the following job description and make sure to attach relevant documents. Radiant is seeking a proactive and strategic Procurement Professional to manage sourcing, negotiation, and acquisition of components, materials, and services for its micro-reactor systems. You will work closely with Supplier Development Engineers (SDEs), Engineering, Quality Assurance, and Operations to ensure suppliers meet quality, technical, commercial, and delivery requirements. The ideal candidate thrives in a fast-paced environment, has strong negotiation skills, and understands sourcing in regulated industries. Responsibilities
Strategic Sourcing: Identify, evaluate, and select potential suppliers based on cost, quality, reliability, capacity, and strategic fit, in collaboration with SDE and Engineering teams. Negotiation: Lead commercial negotiation for pricing, payment terms, lead times, and other contract terms to achieve optimal value for Radiant. Contract Management: Develop, review, and manage supplier agreements, including Master Supply Agreements (MSAs), NDAs, and Purchase Order terms and conditions. Purchase Order Management: Oversee the full PO lifecycle from requisition review to tracking, expediting, and closure to ensure timely delivery. Supplier Relationship Management: Build and maintain strong commercial relationships with key suppliers and act as primary contact for contractual and commercial matters. Cost Analysis & Optimization: Analyze market trends, supplier quotations, and total cost of ownership to identify cost-saving opportunities. Risk Management: Assess and mitigate commercial and supply chain risks, including supplier financial health and capacity constraints. Performance Monitoring: Track procurement metrics (on-time delivery, cost savings, purchase price variance) and collaborate with SDEs on supplier performance scorecards. Cross-functional Collaboration: Work with SDEs, Engineering, Quality, and Project Management to understand needs and support program timelines. Process Improvement: Develop and refine procurement policies, procedures, and systems to improve efficiency and compliance. Deliverables
Successfully negotiated contracts and favorable terms with critical suppliers. Managed portfolio of purchase orders ensuring on-time delivery aligned with project schedules. Demonstrated cost savings and avoidance through effective negotiation and sourcing strategies. Comprehensive supplier performance reports focusing on commercial and delivery metrics. Effective mitigation plans for identified supply chain risks. Streamlined procurement processes supporting Radiant’s operational needs. Strong collaborative relationships established internally (SDE, Eng, QA, Operations) and externally (suppliers). Skills & Qualifications
Required:
Bachelor’s degree in Supply Chain Management, Business Administration, Engineering, or a related field. 3–8 years of relevant experience in procurement, strategic sourcing, or supply chain management, preferably in manufacturing or technology sectors. Proven track record of successful negotiation and contract management. Strong understanding of procurement processes (RFQ/RFP, PO management, supplier evaluation). Excellent analytical, organizational, and problem-solving skills. Strong interpersonal and communication skills (written and verbal). Proficiency with ERP/MRP systems and standard office software. Ability and willingness to travel occasionally to supplier locations (up to 30%).
Preferred:
Experience in the nuclear energy industry or working with nuclear codes, standards, and regulations. Familiarity with NQA-1, 10 CFR 50 Appendix B, 10 CFR 21, ASME BPVC Section III & VIII. Experience conducting supplier audits, product and process inspections, and investigations. Familiarity with quality management systems (e.g., ISO 9001, AS9100) and their implications for procurement. Understanding of supply chain dynamics within the energy or nuclear sector.
Additional Requirements
Must be willing to work extended hours and weekends as necessary to accomplish our mission. Must work 100% onsite at El Segundo HQ. Total Compensation and Benefits 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. Benefits and Perks for Eligible Employees
Stock: Substantial incentive stock plan for all full-time employees. Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans. One Medical: Sponsored memberships for employees and their dependents. Vision: 100% top tier plan coverage + 50% for dependents. Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents. Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA offered as employee-contributed benefits. 8 weeks of paid parental leave for all parents; additional paid pregnancy leave for CA employees. Daily catered lunch. Free snacks and drinks. Flexible PTO policy. Remote workday allocation. Company and team-bonding events, happy hours and in-person camaraderie. Beautiful El Segundo headquarters close to the Pacific Ocean. 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 subject to U.S. export controls. Any job offer will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. Seniority level
Mid-Senior level Employment type
Full-time Job function
Purchasing and Supply Chain Industries: Nuclear Electric Power Generation
#J-18808-Ljbffr