Senior Electrical Engineer (Integration & Test)

• Radiant is seeking a Senior Electrical Engineer to lead the design, build, and maintenance of Radiant’s electrical test infrastructure for Kaleidos, Radiant’s commercial microreactor unit targeted for deployment in 2028
• You will take ownership of test infrastructure development, including HIL systems and other electrical test platforms, while driving integration and validation across critical systems
• You will have the opportunity to shape the electrical test infrastructure supporting the first high-temperature gas-cooled portable microreactor ever to be commercialized
• Own the design, build, and maintenance of electrical test infrastructure, including test benches and other test platforms as the program evolves
• Define electrical and software integration requirements spanning power distribution, signal conditioning, sensor mapping, actuator interfaces, and device simulation
• Own communication and integration between hardware, control systems, and software interfaces
• Lead the electrical validation strategy; develop, execute, and iterate on test procedures and methodologies
• Assemble, debug, and troubleshoot electrical test hardware and harnesses with minimal guidance
• Execute test procedures, collect data, and lead analysis across multiple test environments
• Drive optimization of test and validation processes and lead improvements in tooling and automation
• Lead design reviews and communicate technical decisions to cross-functional stakeholders

Benefits

• Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans
• Equity: Substantial incentive stock plan for all salaried employees
• Flexible PTO policy
• Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits
• Vision: 100% coverage + 50% for dependents
• Dental: 100% coverage, orthodontia extra, 50% for dependent
• Team-bonding company outings, happy hours and in-person camaraderie
• Beautiful El Segundo headquarters close to the Pacific Ocean

• This role is ideal for an experienced electrical engineer with deep hands-on expertise in test infrastructure who is ready to own technical decisions across electrical integration, validation strategy, and test environment development
• BS in Electrical Engineering or a related field
• Strong electrical and software debugging and troubleshooting skills
• Proficiency with DAQ and test platforms such as dSpace, NI PXI, Speedgoat, or similar
• 5+ years of hands-on experience in electrical engineering, including hardware design, integration, and test
• Demonstrated experience owning and building electrical test infrastructure
• Hands-on experience with data acquisition, test execution, and validation frameworks
• Experience with real-time simulation systems and FPGA-based hardware
• Strong understanding of control fundamentals and software testing processes
• Experience with trace capture tools or data acquisition and analysis tools
• Background in high-reliability, safety-critical, or regulated industry environments (aerospace, defense, nuclear, medical, or automotive)
• Comfortable owning multiple test environments and defining new test infrastructure as program needs evolve