Principal Electrical Engineer, Integration & Test

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 designed to provide critical power to hospitals, data centers, and remote sites.

Responsibilities

• Define and own electrical and software integration requirements for power distribution, signal conditioning, and sensor mapping
• Build out electrical test infrastructure for the Kaleidos microreactor unit
• Establish communication between hardware, control systems, and software interfaces
• Define electrical validation strategy, including test procedures and methodologies
• Manage schedule, budget, and vendor management for electrical hardware activities
• Optimize test and validation processes through tooling and automation
• Lead design reviews and communicate technical decisions to cross-functional stakeholders

Requirements

• BS in Electrical Engineering or related discipline
• 10+ years of progressive electrical engineering experience
• Hands-on experience with hardware design, integration, and test
• Experience with DAQ and test systems (e.g., NI PXI, dSpace, Speedgoat)
• Proficiency with LabVIEW and TestStand
• Proficiency in at least one scripting or programming language (Python, C++, C#)
• Strong electrical and software debugging and root cause analysis skills
• Ability to work 100% onsite in El Segundo, CA

Preferred Qualifications

• MS or PhD in Electrical Engineering
• Familiarity with real-time simulation systems or FPGA-based hardware
• Experience with controls fundamentals and software testing processes
• Background in high-reliability, safety-critical, or regulated industries (aerospace, defense, nuclear, medical, or automotive)

Benefits

• Substantial incentive stock plan
• Comprehensive medical, vision, and dental coverage
• 8 weeks of paid parental leave
• Daily catered lunch and free snacks/drinks
• Flexible PTO policy