Senior Mechanical Design Engineer - Reactivity Controls is open at Antares in Los Angeles. The posting gives a salary of $115K - $185K. Posted on Aug 27, 2026, and still on Antares’s careers page when we last checked, on Nov 15, 2026.
About the role
As the Responsible Engineer for Reactivity Controls – Mechanical, you will lead the design, development, testing, and validation of the mechanical systems that govern reactor reactivity and ensure the safe operation of the reactor. You will architect and build the mechanical mechanisms that interface with electrical and software subsystems, collaborating closely across disciplines to define system architecture…
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