https://newnuclearjobs.com/roles/thermal-hydraulics/ 8 thermal hydraulics, thermal-fluids and core thermal modeling roles at reactor developers. Read from their own boards on 10 Nov 2026. en Tue, 10 Nov 2026 00:00:00 GMT https://newnuclearjobs.com/jobs/principal-thermal-modeling-engineer-radiant-7a6948/https://newnuclearjobs.com/jobs/principal-thermal-modeling-engineer-radiant-7a6948/Thu, 05 Nov 2026 00:00:00 GMTRadiant is hiring a Principal Thermal Modeling Engineer. The role is based in El Segundo, CA. 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-thermal-hydraulic-test-engineer-terrapower-678f1b/https://newnuclearjobs.com/jobs/senior-thermal-hydraulic-test-engineer-terrapower-678f1b/Fri, 16 Oct 2026 00:00:00 GMTTerraPower is hiring a Senior Thermal Hydraulic Test Engineer on its Natrium team. The role is based in Everett, Washington, United States. https://newnuclearjobs.com/jobs/senior-thermal-engineer-space-antares-488118/https://newnuclearjobs.com/jobs/senior-thermal-engineer-space-antares-488118/Sat, 03 Oct 2026 00:00:00 GMTAntares is looking for a Senior Thermal Engineer - Space. The role is based in Los Angeles. https://newnuclearjobs.com/jobs/thermal-engineer-last-energy-6ef636/https://newnuclearjobs.com/jobs/thermal-engineer-last-energy-6ef636/Thu, 01 Oct 2026 00:00:00 GMTLast Energy is hiring a Thermal Engineer. The role is based in Austin, TX. 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/principal-engineer-core-thermal-hydraulics-methods-and-analysis-terrap-833772/https://newnuclearjobs.com/jobs/principal-engineer-core-thermal-hydraulics-methods-and-analysis-terrap-833772/Tue, 18 Aug 2026 00:00:00 GMTTerraPower is looking for a Principal Engineer, Core Thermal Hydraulics Methods and Analysis on its Natrium team. The role is based in Bellevue, Washington, United States. https://newnuclearjobs.com/jobs/senior-thermal-hydraulics-analysis-engineer-valar-atomics-9ea6b5/https://newnuclearjobs.com/jobs/senior-thermal-hydraulics-analysis-engineer-valar-atomics-9ea6b5/Wed, 29 Jul 2026 00:00:00 GMTValar Atomics has an open Senior Thermal-Hydraulics Analysis Engineer position. The role is based in Torrance, CA.