All jobs/Role

Thermal hydraulics jobs

As of 10 Nov 2026, 6 advanced nuclear employers list 8 open thermal hydraulics roles; the most are at Antares (2), TerraPower (2) and Last Energy (1). Newest first.

8 open roles at 6 employers on 10 Nov 2026. Most in Los Angeles (2).

4 of 8 roles post a pay range.

• RaPrincipal Thermal Modeling EngineerRadiant · El Segundo, CA · Other · $182K – $292K a yearPosted 5 NovNew
• AnSenior Thermal Fluids AnalystAntares · Los Angeles, CA · Nuclear & Reactor Engineering · $150K – $190K a yearPosted 27 Oct
• TeSenior Thermal Hydraulic Test EngineerTerraPower · Everett, WA · Mechanical, Electrical & ControlsPosted 16 Oct
• AnSenior Thermal Engineer - SpaceAntares · Los Angeles, CA · Other · $145K – $185K a yearPosted 3 Oct
• LaThermal EngineerLast Energy · Austin, TX · OtherPosted 1 Oct
• OkThermal-Hydraulics and Safety Analysis Engineer - IsotopesOklo · Santa Clara, CA · Remote · Nuclear & Reactor EngineeringPosted 25 Sep
• TePrincipal Engineer, Core Thermal Hydraulics Methods and AnalysisTerraPower · Bellevue, WA · Nuclear & Reactor EngineeringPosted 18 Aug
• VaSenior Thermal-Hydraulics Analysis EngineerValar Atomics · Torrance, CA · Nuclear & Reactor Engineering · $151K – $185K a yearPosted 29 Jul

How we count

Counted from the employers' own job boards, read daily. Matched on job title; the list of words is below.

thermal · hydraulic · CFD · thermal-fluid