Lead Electrical Motor Design Engineer

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

• Own system-level architecture and technical roadmap for 1MW, 30krpm alternators and primary loop motors
• Lead electromagnetic design of permanent magnet machines for closed-loop Brayton cycle power systems
• Lead and mentor a team of motor design engineers
• Conduct design reviews and provide guidance on electromagnetic, structural, and thermal analysis
• Partner with turbomachinery, power electronics, thermal, packaging, and software teams
• Oversee development and qualification testing of electric machines
• Lead root cause analysis and rapid design iteration cycles

Requirements

• B.S. in Electrical Engineering or Mechanical Engineering with specialization in electric machines or rotating machinery
• 5+ years of experience designing high-voltage, high-power electric motors and/or generators
• Expertise in permanent magnet motor design for +1kV, +1MW applications operating at up to 40,000 rpm
• Proficiency with electromagnetic analysis tools such as Ansys Motor-CAD or Maxwell
• Experience with structural and thermal analysis of high-speed rotating machinery
• Understanding of motor–inverter interactions and power electronics integration
• Hands-on experience with assembly, integration, and testing of electric machines
• Ability to work 100% onsite in El Segundo, CA

Preferred Qualifications

• 10+ years of generator design experience
• M.S. or Ph.D. in Electrical or Mechanical Engineering
• Knowledge of motor control systems including SVM
• Experience scaling hardware from prototype to production
• Experience leading small, high-performance engineering teams