Senior Power Electronics Engineer

Responsibilities

• Design, model, simulate, and validate power electronics circuits, magnetic components, and control strategies for medium voltage converter systems
• Define technical requirements and specifications for power electronic converter systems and other electrical designs
• Develop test methods to qualify designs from concept through final testing, commissioning, and troubleshooting
• Collaborate with cross-functional teams on procurement contracts, vendor coordination, and critical project milestones
• Document design specifications, simulations, and test results into comprehensive engineering reports

Requirements

• 8+ years of experience with a Bachelor’s degree, or 6+ years of experience with a Master’s degree
• Proven track record in the design and development of power electronics-based electrical systems
• Deep knowledge of inverter circuit topologies and their respective benefits and limitations
• Proficiency in modeling and simulation using tools such as PLECS, PSPICE, or MATLAB
• Hands-on experience with semiconductor devices (IGBT, MOSFET) and magnetic components (transformers, inductors)
• Experience with high power electrical equipment exceeding 10MW
• Hands-on laboratory testing experience using oscilloscopes and other measurement equipment
• Ability to lift up to 50lbs and work in an industrial facility environment

Preferred Qualifications

• Master’s degree in Electrical Engineering with a focus on Power Electronics
• Experience applying compliance standards (IEC, UL, CSA, NEC) to electrical designs
• Experience with root cause analysis and field containment actions
• Experience scaling independent systems to larger systems to meet higher power requirements

Benefits

• Competitive compensation with equity
• Flexible vacation days and 13 company-wide holidays
• Health, dental, and vision insurance
• 401(k) with employer matching
• Generous parental leave policy
• Professional growth opportunities

About the Company

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. We are designing and building commercially viable fusion power plants by combining decades of research, top talent, and new technologies. As the largest and leading private fusion company in the world, we are building the energy industry of the future.