Fluid Systems Engineer — Nuclear Microreactor Tech

Radiant is seeking a highly motivated Mechanical Engineer, Fluids Systems to own critical Kaleidos fluid systems from preliminary design through build and production. You will perform thermal hydraulics analysis, select components, and manage manufacturing and testing to enable the first new commercial reactor design in over 50 years by 2026. You will work onsite at El Segundo HQ, collaborating with cross-disciplinary teams, and contribute to trade studies, BOM creation, supplier development,