Senior Power Electronics Engineer (Fusion Energy)

Location: On-site in Devens, Massachusetts, United States. The role may require occasional travel, nights, weekends, or on-call work.

Salary: $110,000–$185,000 per year, plus equity and benefits.

Company

hirify.global develops commercially viable fusion power plants and technologies for the future energy industry.

What you will do

• Design, model, simulate, analyze, and validate medium-voltage power electronics circuits, magnetic components, and control strategies.
• Define components, technical requirements, and specifications for power converters and electrical systems.
• Develop qualification test methods and support troubleshooting, final testing, and commissioning of converter systems.
• Lead initial commissioning activities and contribute to cross-functional electrical system design for fusion power.
• Coordinate with procurement teams and vendors on critical technical milestones and contracts.
• Document specifications, simulations, test results, and design decisions in engineering reports.

Requirements

• 8+ years of related experience with a bachelor's degree, or 6+ years with a master's degree, in power electronics-based systems.
• Experience designing and developing power electronics systems, including protection, control, and mechanical integration.
• Knowledge of inverter topologies, semiconductor devices such as IGBTs and MOSFETs, magnetic components, gate-drive circuits, and device protection.
• Experience with PLECS, PSPICE, MATLAB, or similar modeling and simulation tools.
• Experience with power conversion equipment above 10 MW, packaging design, thermal management, and hands-on laboratory testing using oscilloscopes and other measurement equipment.
• Must be able to lift up to 50 lb and work in an industrial facility with heat, cold, noise, fumes, strong magnets, lead, high voltage, high current, pressure systems, and cryogenics.

Nice to have

• Master's degree in electrical engineering with a focus on power electronics.
• Experience applying electrical engineering skills to construction, manufacturing, testing, and field installations.
• Knowledge of IEC, UL, CSA, NEC, and other electrical compliance standards.
• Experience with root-cause analysis, field containment, prototype construction, testing, and documentation.
• Experience scaling independent systems to higher-power configurations.

Culture & Benefits

• Equity and competitive compensation.
• 13 company-wide holidays, flexible vacation days, and 10 sick days.
• Generous parental leave and health, dental, and vision insurance.
• 401(k) with employer matching.
• Professional growth opportunities and team-building activities.
• Employment is subject to compliance with U.S. Export Control Laws.