Senior Manager, Power Systems

About the Company

Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling.

Responsibilities

• Build, manage, and grow a team of power systems and power electronics engineers
• Set team priorities and roadmaps in partnership with leadership
• Communicate progress, risks, and results to executive leadership
• Lead the team owning power system architecture, single-line diagrams, and synchronization strategy
• Direct FMEAs and disturbance analysis to validate system stability and protection behavior
• Own architecture, sizing, and integration of off-the-shelf hardware for energy storage and power conversion
• Lead in-house power electronics development including converters, inverters, and generator controls
• Oversee SIL/HIL and system-level testing, commissioning, and regulatory compliance

Requirements

• B.S. in Electrical Engineering with emphasis in power or control systems
• 8+ years of experience designing power systems for generation, microgrids, or mission-critical systems
• 3+ years of experience in a formal people management role
• Experience sizing and integrating high-voltage battery systems with power electronics
• Experience developing power electronics for high-power, medium-voltage equipment
• Background in power system modeling and simulation tools (e.g., PSCAD, ETAP, PSS®E, Simulink)
• Solid understanding of power system control modes (grid-forming, grid-following, droop control)
• Ability to work 100% onsite in El Segundo, CA

Preferred Qualifications

• M.S. in Electrical Engineering or related discipline
• 5+ years of experience in a formal people management role
• Experience with islanded power systems supporting critical loads
• Familiarity with interconnection requirements, grid codes, and IEEE standards
• Exposure to nuclear, aerospace, or defense industries