Senior Test Engineer – R&D Test Rigs & Thermal Systems

Antares is seeking a Test Engineer to design, build, and own test infrastructure for the R1 microreactor. You will develop end-to-end test plans across heat rejection, power distribution, thermal management, and mechanical systems, and document testing best practices for rapid iteration and data quality.

You will collaborate with cross-functional teams to ensure prototype, development, and qualification hardware aligns with test plans, while maintaining precision and accuracy in test setups.