https://newnuclearjobs.com/category/nuclear-reactor-engineering/ 28 nuclear & reactor engineering jobs on New Nuclear Jobs. Updated daily. en Mon, 09 Nov 2026 00:00:00 GMT https://newnuclearjobs.com/jobs/senior-process-engineer-numenor-reactor-valar-atomics-e7cf05/https://newnuclearjobs.com/jobs/senior-process-engineer-numenor-reactor-valar-atomics-e7cf05/Mon, 09 Nov 2026 00:00:00 GMTValar Atomics has an open Senior Process Engineer, Numenor (Reactor) position on its Mechanical Engineering team. The role is based in Torrance, California, United States. https://newnuclearjobs.com/jobs/staff-nuclear-engineer-radiant-eb2c83/https://newnuclearjobs.com/jobs/staff-nuclear-engineer-radiant-eb2c83/Sat, 07 Nov 2026 00:00:00 GMTRadiant has an open Staff Nuclear Engineer position. The role is based in El Segundo, CA. https://newnuclearjobs.com/jobs/nuclear-engineering-internship-co-op-forge-atomics-b773b5/https://newnuclearjobs.com/jobs/nuclear-engineering-internship-co-op-forge-atomics-b773b5/Fri, 06 Nov 2026 00:00:00 GMTForge Atomics is looking for a Nuclear Engineering Internship/Co-op. The role is based in El Segundo. https://newnuclearjobs.com/jobs/safety-analysis-engineer-alva-energy-76f478/https://newnuclearjobs.com/jobs/safety-analysis-engineer-alva-energy-76f478/Fri, 06 Nov 2026 00:00:00 GMTAlva Energy is hiring a Safety Analysis Engineer. The role is hybrid, based in Cambridge (Hybrid). https://newnuclearjobs.com/jobs/experimental-scientist-experimental-physicist-hexium-8b1ecd/https://newnuclearjobs.com/jobs/experimental-scientist-experimental-physicist-hexium-8b1ecd/Tue, 03 Nov 2026 00:00:00 GMTHexium has an open Experimental Scientist / Experimental Physicist position on its Technology team. The role is based in Austin, TX. https://newnuclearjobs.com/jobs/lead-ot-engineer-reactor-valar-atomics-404151/https://newnuclearjobs.com/jobs/lead-ot-engineer-reactor-valar-atomics-404151/Thu, 29 Oct 2026 00:00:00 GMTValar Atomics has an open Lead OT Engineer - Reactor position on its Instrumentation & Controls team. The role is based in Torrance, California, United States. https://newnuclearjobs.com/jobs/health-physicist-standard-nuclear-c30bae/https://newnuclearjobs.com/jobs/health-physicist-standard-nuclear-c30bae/Thu, 29 Oct 2026 00:00:00 GMTStandard Nuclear has an open Health Physicist position on its Site Operations team. The role is based in Oak Ridge, TN. https://newnuclearjobs.com/jobs/distinguished-nuclear-engineer-kairos-power-b7cfc8/https://newnuclearjobs.com/jobs/distinguished-nuclear-engineer-kairos-power-b7cfc8/Thu, 29 Oct 2026 00:00:00 GMTKairos Power has an open Distinguished Nuclear Engineer position. The role is based in Alameda, CA. https://newnuclearjobs.com/jobs/senior-structures-engineer-antares-0d92cf/https://newnuclearjobs.com/jobs/senior-structures-engineer-antares-0d92cf/Thu, 29 Oct 2026 00:00:00 GMTAntares is looking for a Senior Structures Engineer on its Reactor Hardware Engineering team. The role is based in Los Angeles. https://newnuclearjobs.com/jobs/senior-motor-generator-engineer-antares-5737e0/https://newnuclearjobs.com/jobs/senior-motor-generator-engineer-antares-5737e0/Wed, 28 Oct 2026 00:00:00 GMTAntares has an open Senior Motor-Generator Engineer position on its Reactor Hardware Engineering team. The role is based in Los Angeles. https://newnuclearjobs.com/jobs/principal-engineer-safety-analysis-terrapower-d857c6/https://newnuclearjobs.com/jobs/principal-engineer-safety-analysis-terrapower-d857c6/Tue, 27 Oct 2026 00:00:00 GMTTerraPower is looking for a Principal Engineer, Safety Analysis. The role is based in Bellevue, Washington, United States. https://newnuclearjobs.com/jobs/senior-thermal-fluids-analyst-antares-c2689d/https://newnuclearjobs.com/jobs/senior-thermal-fluids-analyst-antares-c2689d/Tue, 27 Oct 2026 00:00:00 GMTAntares is hiring a Senior Thermal Fluids Analyst on its Reactor Hardware Engineering team. The role is based in Los Angeles. https://newnuclearjobs.com/jobs/senior-nuclear-i-c-engineer-hardware-valar-atomics-62c1b1/https://newnuclearjobs.com/jobs/senior-nuclear-i-c-engineer-hardware-valar-atomics-62c1b1/Mon, 26 Oct 2026 00:00:00 GMTValar Atomics is hiring a Senior Nuclear I&C Engineer – Hardware on its Instrumentation & Controls team. The role is based in Torrance, California, United States. https://newnuclearjobs.com/jobs/integrated-safety-analysis-engineer-new-grad-general-matter-673ba4/https://newnuclearjobs.com/jobs/integrated-safety-analysis-engineer-new-grad-general-matter-673ba4/Mon, 26 Oct 2026 00:00:00 GMTGeneral Matter has an open Integrated Safety Analysis Engineer (New Grad) position. The role is based in Los Angeles, CA. https://newnuclearjobs.com/jobs/traveling-safety-watch-fme-plant-support-nuclear-outage-support-the-nu-639aa4/https://newnuclearjobs.com/jobs/traveling-safety-watch-fme-plant-support-nuclear-outage-support-the-nu-639aa4/Fri, 23 Oct 2026 00:00:00 GMTThe Nuclear Company is hiring a Traveling Safety Watch, FME, & Plant Support (Nuclear Outage Support) on its Field Services team. The role is based in Multiple Locations (Traveling Project Work). https://newnuclearjobs.com/jobs/fuel-fabrication-criticality-analysis-nuclear-safety-engineer-oklo-572161/https://newnuclearjobs.com/jobs/fuel-fabrication-criticality-analysis-nuclear-safety-engineer-oklo-572161/Wed, 21 Oct 2026 00:00:00 GMTOklo has an open Fuel Fabrication Criticality Analysis & Nuclear Safety Engineer position. The role is remote-friendly; the listed location is Idaho Falls, ID or Remote. https://newnuclearjobs.com/jobs/principal-engineer-nuclear-analysis-terrapower-98e6ee/https://newnuclearjobs.com/jobs/principal-engineer-nuclear-analysis-terrapower-98e6ee/Thu, 15 Oct 2026 00:00:00 GMTTerraPower is hiring a Principal Engineer, Nuclear Analysis on its Natrium team. The role is based in Bellevue, Washington, United States. https://newnuclearjobs.com/jobs/senior-safety-analysis-engineer-radiant-e60f16/https://newnuclearjobs.com/jobs/senior-safety-analysis-engineer-radiant-e60f16/Thu, 15 Oct 2026 00:00:00 GMTRadiant has an open Senior Safety Analysis Engineer position. The role is based in El Segundo, CA. https://newnuclearjobs.com/jobs/senior-reactor-engineer-radiant-e6870f/https://newnuclearjobs.com/jobs/senior-reactor-engineer-radiant-e6870f/Thu, 15 Oct 2026 00:00:00 GMTRadiant is hiring a Senior Reactor Engineer. The role is based in El Segundo, CA. https://newnuclearjobs.com/jobs/safety-analysis-engineer-oklo-c29445/https://newnuclearjobs.com/jobs/safety-analysis-engineer-oklo-c29445/Tue, 06 Oct 2026 00:00:00 GMTOklo is hiring a Safety Analysis Engineer on its Fuel Recycling team. The role is remote-friendly; the listed location is Santa Clara, CA or Remote. https://newnuclearjobs.com/jobs/senior-nuclear-criticality-safety-engineer-oklo-8435fb/https://newnuclearjobs.com/jobs/senior-nuclear-criticality-safety-engineer-oklo-8435fb/Thu, 01 Oct 2026 00:00:00 GMTOklo is looking for a Senior Nuclear Criticality Safety Engineer on its Fuel Recycling team. The role is remote-friendly; the listed location is Santa Clara, CA or Remote. https://newnuclearjobs.com/jobs/senior-radiation-protection-specialist-outage-work-the-nuclear-company-37448a/https://newnuclearjobs.com/jobs/senior-radiation-protection-specialist-outage-work-the-nuclear-company-37448a/Wed, 30 Sep 2026 00:00:00 GMTThe Nuclear Company is hiring a Senior Radiation Protection Specialist (Outage Work) on its Field Services team. The role is based in Multiple Locations (Traveling Project Work). https://newnuclearjobs.com/jobs/thermal-hydraulics-and-safety-analysis-engineer-isotopes-oklo-143a41/https://newnuclearjobs.com/jobs/thermal-hydraulics-and-safety-analysis-engineer-isotopes-oklo-143a41/Fri, 25 Sep 2026 00:00:00 GMTOklo is looking for a Thermal-Hydraulics and Safety Analysis Engineer - Isotopes. The role is remote-friendly; the listed location is Santa Clara, CA or Remote. https://newnuclearjobs.com/jobs/senior-turbomachinery-aerodynamics-engineer-antares-7a698e/https://newnuclearjobs.com/jobs/senior-turbomachinery-aerodynamics-engineer-antares-7a698e/Wed, 16 Sep 2026 00:00:00 GMTAntares is hiring a Senior Turbomachinery Aerodynamics Engineer on its Reactor Hardware Engineering team. The role is based in Los Angeles. https://newnuclearjobs.com/jobs/principal-nuclear-engineer-radiant-4029db/https://newnuclearjobs.com/jobs/principal-nuclear-engineer-radiant-4029db/Fri, 11 Sep 2026 00:00:00 GMTRadiant is looking for a Principal Nuclear Engineer. The role is based in El Segundo, CA. https://newnuclearjobs.com/jobs/lead-nuclear-engineer-radiant-3d762d/https://newnuclearjobs.com/jobs/lead-nuclear-engineer-radiant-3d762d/Fri, 11 Sep 2026 00:00:00 GMTRadiant is looking for a Lead Nuclear Engineer. The role is based in El Segundo, CA. https://newnuclearjobs.com/jobs/senior-manager-supplied-equipment-group-reactor-equipment-terrapower-eaad10/https://newnuclearjobs.com/jobs/senior-manager-supplied-equipment-group-reactor-equipment-terrapower-eaad10/Thu, 10 Sep 2026 00:00:00 GMTTerraPower has an open Senior Manager, Supplied Equipment Group, Reactor Equipment position on its Supply Chain team. The role is based in Bellevue, WA. https://newnuclearjobs.com/jobs/nuclear-engineering-intern-summer-2027-antares-f3d89c/https://newnuclearjobs.com/jobs/nuclear-engineering-intern-summer-2027-antares-f3d89c/Thu, 10 Sep 2026 00:00:00 GMTAntares has an open Nuclear Engineering Intern - Summer 2027 position. The role is based in Los Angeles.