@RadiantNuclear - Radiant

Los Angeles, CA
85 job openings
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x.comMaking Nuclear Power Portable x.com/radiantnuclear
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dougbernauer
Doug Bernauer
El Segundo, CA

About

Designer and manufacturer of 1.2 Megawatt scale nuclear fission modular microreactors for austere environments and off-grid backup use-cases.

El Segundo, CA; Founded 2019; Stage: Series C

Radiant completed the front-end engineering and experiment design (FEEED) phase of their Kaleidos nuclear reactor in collaboration with Idaho National Lab, a critical milestone on the way to completing their first reactor in 2026. Building off of their technical success, Radiant closed a $100M Series C financing round led by DCVC.

Source:  addtheegg.com

85 jobs
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Location Workplace Salary Posted
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Engineering
 Build Engineer, TurbomachineryEl Segundo, CAonsite$74,000-130,0002026-04-21
 Build Engineer, Turbomachinery - 2026 New GraduateEl Segundo, CAonsite$105,000-125,0002026-06-10
 CNC MachinistEl Segundo, CAonsite$45-612026-07-01
 Director, Enterprise DataEl Segundo, CAonsite$208,500-284,0252025-12-26
 Engineering Manager, ElectronicsEl Segundo, CAonsite$208,500-284,0252026-03-26
 Engineering Manager, Integration & TestEl Segundo, CAonsite$208,500-284,0252026-06-23
 Engineering TechnicianEl Segundo, CAonsite$41-562026-06-30
 IT Help Desk AssociateEl Segundo, CAonsite$30-352026-04-06
 Lead Electrical Motor Design Engineer El Segundo, CAonsite$171,000-284,0252026-02-19
 Lead Nuclear EngineerEl Segundo, CAonsite$140,500-237,3002026-02-25
 Lead Test Engineer, Power GenerationEl Segundo, CAonsite$158,000-247,2752026-02-10
 Mechanical Engineer, Electrical SystemsEl Segundo, CAonsite$74,000-130,0002026-01-27
 Mechanical Engineer, Fluid SystemsEl Segundo, CAonsite$107,500-150,0002026-05-27
 Mechanical Engineer, Fluid Systems - 2026 New GraduateEl Segundo, CAonsite$105,000-125,0002026-06-02
 Nuclear EngineerEl Segundo, CAonsite$106,500-146,4752025-05-04
 Nuclear Engineer, Core PhysicsEl Segundo, CAonsite$106,500-146,4752025-07-15
 Principal Electrical Engineer, Integration & TestEl Segundo, CAonsite$200,500-314,4752026-06-16
 Principal Electrical Engineer - PCBEl Segundo, CAonsite$200,500-314,4752026-04-27
 Principal Embedded Software EngineerEl Segundo, CAonsite$200,500-314,4752026-05-29
 Principal Power Systems EngineerEl Segundo, CAonsite$200,500-314,4752026-02-19
 Principal Software Engineer, ComputeEl Segundo, CAonsite$200,500-314,4752026-04-07
 Principal Turbomachinery EngineerEl Segundo, CAonsite$200,500-314,4752026-04-29
 Reactor Operations Enablement EngineerEl Segundo, CAonsite$150,000-207,9002026-06-23
 Reactor Operations EngineerEl Segundo, CAonsite$119,000-146,4752026-06-11
 Reactor Operations Training SpecialistEl Segundo, CAonsite$150,000-207,9002026-06-30
 Senior Controls Systems Engineer El Segundo, CAonsite$158,000-219,4502026-04-08
 Senior Data Platform Engineer, Enterprise DataEl Segundo, CAonsite$158,000-219,4502026-04-16
 Senior Electrical EngineerEl Segundo, CAonsite$158,000-219,4502026-02-06
 Senior Electrical Engineer, Integration & TestEl Segundo, CAonsite$158,000-219,4502026-06-05
 Senior Electrical Engineer - PCBEl Segundo, CAonsite$158,000-219,4502026-04-05
 Senior Equipment EngineerEl Segundo, CAonsite$133,500-184,8002026-06-25
 Senior Loads & Dynamics EngineerEl Segundo, CAonsite$133,500-184,8002026-01-27
 Senior Manager, Embedded Systems Engineering El Segundo, CAonsite$208,500-284,0252026-06-25
 Senior Manager, Enterprise Data El Segundo, CAonsite$171,000-233,1002026-06-11
 Senior Manager, Power SystemsEl Segundo, CAonsite$208,500-284,0252026-07-02
 Senior Manufacturing EngineerEl Segundo, CAonsite$133,500-184,8002025-10-02
 Senior Mechanical Engineer, Fluid SystemsEl Segundo, CAonsite$158,000-219,4502026-05-20
 Senior Mechanical Engineer, MechanismsEl Segundo, CAonsite$133,500-184,8002026-06-16
 Senior Mechanical Engineer (Sheet Metal Structures)El Segundo, CAonsite$133,500-184,8002025-12-11
 Senior Mechanical Engineer (Structures)El Segundo, CAonsite$133,500-184,8002025-12-11
 Senior Mechanical Engineer – Turbomachinery Rotordynamics El Segundo, CAonsite$158,000-247,2752025-10-13
 Senior Mechanisms EngineerEl Segundo, CAonsite$133,500-184,8002026-06-10
 Senior Motor Design EngineerEl Segundo, CAonsite$158,000-247,2752025-02-19
 Senior Nuclear Engineer El Segundo, CAonsite$133,500-184,8002025-06-16
 Senior Power Electronics EngineerEl Segundo, CAonsite$158,000-219,4502026-03-17
 Senior Reactor Operations EngineerEl Segundo, CAonsite$133,500-184,8002026-03-23
 Senior Reactor Systems EngineerEl Segundo, CAonsite$133,500-184,8002026-06-11
 Senior Structural EngineerEl Segundo, CAonsite$133,500-184,8002025-12-11
 Senior Structures EngineerEl Segundo, CAonsite$133,500-184,8002025-11-11
 Senior Test EngineerEl Segundo, CAonsite$133,500-184,8002026-06-02
 Senior Thermal AnalystEl Segundo, CAonsite$139,500-224,7002026-04-08
 Senior Thermal EngineerEl Segundo, CAonsite$139,500-224,7002026-04-08
 Senior Thermal-Hydraulics EngineerEl Segundo, CAonsite$139,500-224,7002026-04-08
 Senior Thermal Modeling AnalystEl Segundo, CAonsite$139,500-224,7002026-04-08
 Senior Thermal Modeling EngineerEl Segundo, CAonsite$139,500-224,7002026-04-08
 Staff Mechanical Engineer, Fluid SystemsEl Segundo, CAonsite$200,500-314,4752026-05-20
 Test EngineerEl Segundo, CAonsite$106,500-146,4752026-07-08
 Thermal Modeling EngineerEl Segundo, CAonsite$107,500-150,0002026-05-27
 Thermal Modeling Engineer - 2026 New GraduateEl Segundo, CAonsite$105,000-125,0002026-06-08
Operations
 Business Development AssociateDC; Washington, DConsite$85,500-122,3252026-06-22
 Business Development ManagerEl Segundo, CAonsite$115,000-168,0002026-07-02
 Certification EngineerEl Segundo, CAonsite$133,500-190,0502026-06-11
 Construction ManagerOak Ridge, TNonsite$115,000-190,5752026-02-24
 Cost Accounting ManagerEl Segundo, CAonsite$115,000-168,0002026-06-21
 Director of Regulatory AffairsEl Segundo, CAonsite$186,000-258,3002026-06-01
 Direct Procurement ManagerEl Segundo, CAonsite$85,500-168,0002026-05-02
 ERP Implementation SpecialistEl Segundo, CAonsite$100,500-142,8002026-04-29
 Facilities Technician El Segundo, CAonsite$33-412026-06-29
 Facilities Technician - ElectricalEl Segundo, CAonsite$33-412026-06-29
 Indirect Procurement ManagerEl Segundo, CAonsite$85,500-168,0002026-05-02
 Investor Relations DirectorEl Segundo, CAonsite$154,500-256,2002026-06-17
 Junior Video Editor & Content CoordinatorEl Segundo, CAonsite$30-402026-06-17
 Manager, Regulatory Systems EngineeringEl Segundo, CAonsite$160,500-236,2502026-05-06
 Media Relations DirectorEl Segundo, CAonsite$154,500-256,2002026-06-12
 Project Developer El Segundo, CAonsite$115,000-168,0002026-05-22
 Quality Systems EngineerEl Segundo, CAonsite$133,500-190,0502026-06-18
 Regulatory EngineerEl Segundo, CAonsite$133,500-190,0502025-08-18
 Senior Accounting ManagerEl Segundo, CAonsite$115,000-168,0002026-06-11
 Senior Manager Government AffairsDC; Washington, DConsite$160,500-236,2502026-05-08
 Senior People Business PartnerEl Segundo, CAonsite$115,000-168,0002026-03-03
 Senior Technical RecruiterEl Segundo, CAonsite$115,000-168,0002026-06-08
 Social & Content ManagerEl Segundo, CAonsite$115,000-168,0002026-06-15
 Supply Chain ManagerEl Segundo, CAonsite$85,500-168,0002026-05-02
 Supply Reliability EngineerEl Segundo, CAonsite$133,500-190,0502026-07-02
 Systems EngineerEl Segundo, CAonsite$133,500-190,0502026-05-04