Senior Thermal Engineer - Space is open at Antares in Los Angeles. The posting gives a salary of $145K - $185K. Posted on Oct 3, 2026, and still on Antares’s careers page when we last checked, on Nov 15, 2026.
About the role
Construct, own, and validate thermal models for the reactor core, spacecraft, radiator systems, and integrated vehicle thermal response. - Anchor thermal models to experimental, analytical, and test data wherever available; quantify uncertainty and improve model fidelity over time. - Identify gaps in thermal, materials, coolant-loop, radiator, and reactor heat-transfer data, and work with test engineers to define…
The opening lines of the posting. The rest is on Antares’s careers page.
Hiring at Antares
Antares has 83 open roles right now. Most are in Engineering, Manufacturing & Trades and Finance & Trading. The median advertised salary across its roles with a published range is $166K. See all its roles

