Radiant Systems Inc · 12 hours ago
Senior Power Systems Engineer
El Segundo, CA
Full-time
Onsite
Senior Level
5+ years expRadiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. They are seeking a talented Senior Power Systems Engineer to lead the design, modeling, and validation of electrical power systems supporting their nuclear microreactor platform.
CRMInformation TechnologySoftware
No H1B
Responsibilities
Own power system modeling and analysis for microreactor-based power generation systems operating in grid-connected and islanded modes
Develop and maintain steady-state, dynamic, and EMT models representing generation assets, loads, protection schemes, and supervisory controls
Perform power flow, fault, protection coordination, and system stability studies to validate performance across normal and contingency conditions
Evaluate system behavior during disturbances such as load steps, faults, breaker operations, and loss-of-generation events
Support design trade studies to optimize power system architecture, control strategies, and equipment selection
Collaborate cross-functionally to align power system models with electrical hardware design, control logic, communication delays, and protection schemes
Participate in software-in-the-loop (SIL), hardware-in-the-loop (HIL), and system-level testing to validate model fidelity and control performance
Support system commissioning, troubleshooting, and post-test analysis through data review and model correlation
Document analyses, assumptions, and results to support internal requirements, customer needs, and regulatory and licensing activities
Qualification
Required
B.S. in Electrical Engineering with an emphasis in power systems or control systems
5+ years of experience performing power system analysis for generation, microgrids, or mission-critical power systems
Experience with sizing and integrating high voltage battery systems with power electronics
Strong experience with power system modeling and simulation tools (e.g., PSCAD, ETAP, PSS®E, Simulink, or equivalent)
Solid understanding of inverter-based resources, rotating generation, and power system control modes (grid-forming, grid-following, droop control)
Experience analyzing system stability, protection behavior, and fault response in complex electrical systems
Ability to clearly communicate technical concepts and results to cross-functional teams
Preferred
M.S. in Electrical Engineering or related discipline
Experience with islanded or weak-grid power systems supporting critical loads
Familiarity with interconnection requirements, grid codes, and relevant IEEE or utility standards
Experience modeling dynamic loads and fast-changing electrical demand
Exposure to nuclear, aerospace, defense, or other highly regulated industries
Experience mentoring junior engineers or leading technical efforts on complex programs
Benefits
Substantial incentive stock plan for all full-time employees.
100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.
Sponsored memberships for eligible employees and their dependents.
100% premium coverage for top tier plan + 50% for dependents.
100% premium coverage for top tier plan (including orthodontia) + 50% for dependents.
Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
Daily catered lunch. Free snacks and drinks.
Flexible PTO policy. Remote workday allocation.
Company and team-bonding events, happy hours and in-person camaraderie.
Beautiful El Segundo headquarters close to the Pacific Ocean.
Company
Radiant Systems Inc
Radiant Systems, Inc. is a certified Minority Business Enterprise, a Global Consulting company founded in 1995.
501-1000 employees
Funding
Current Stage
Late StageLeadership Team
Rayn Kamesh
Head of Sales/Director, Strategic Partnership - MSP/VMS Accounts
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