Director, Nuclear Engineering — Lead Portable Microreactors

Radiant, based in El Segundo, CA, seeks a Director of Nuclear Engineering to organize design and analysis strategy for its microreactor fleet. You will lead a team across core physics, shielding, dose/consequence analysis, and instrumentation, shaping roadmaps and ensuring safety bases in collaboration with external partners. The role requires a degree in nuclear engineering or related field, 10+ years leading reactor design teams, and strong cross-disciplinary communication.