Radiant
Principal Power Systems Engineer
$200K–$314K
El Segundo, CA · On-site · Principal · Full-time · Posted Feb 19, 2026
- Experience
- 5+ years designing power systems for generation, microgrids, or mission-critical power systems.
- Education
- B.S. in Electrical Engineering with an emphasis in power systems or control systems.
- Visa sponsorship
- Any job offer is contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.
About the job
Leads the design, modeling, testing, and validation of electrical power systems for Radiant’s nuclear microreactors across grid-connected and islanded environments.
What you'll do
- Own power system architecture, single-line diagrams, failure analysis, and system studies for microreactor configurations.
- Evaluate disturbances, size energy storage, and coordinate synchronization of multiple reactors with microgrids and the grid.
- Support SIL, HIL, system testing, commissioning, and regulatory verification of power-system performance.
What they ask for
- B.S. in Electrical Engineering with an emphasis in power systems or control systems.
- 5+ years designing power systems for generation, microgrids, or mission-critical power systems.
- Experience sizing and integrating high-voltage battery systems with power electronics.
- Experience with power system modeling and simulation tools; knowledge of converters, generation, control modes, stability, protection, and fault response.
Nice to have
- M.S. in Electrical Engineering or related discipline.
- Experience with high-power medium-voltage power electronics, islanded systems, grid standards, dynamic loads, regulated industries, or technical leadership.
Pay
$200,500 – $314,475 USD base salary
Tools
PSCAD, ETAP, PSS®E, Simulink, SIL, HIL
Model-written summary · the original posting is authoritative