R&D Test Engineer - Electrical Power Systems
Commonwealth Fusion SystemsDevens, MA
Full Time
Posted August 28, 2026
$90k - $145k
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Job Description
About Commonwealth Fusion Systems:
Key Responsibilities
- Design, analyze, review, procure and build test equipment for energizing superconducting magnets
- Contribute to ground-up design of electrical testing infrastructure in new testing facilities
- Develop test plans highlighting the test objectives, key data that are needed and the instrumentation and controls necessary to obtain this data. Ensure data is reliable
- Understand, challenge and maintain well-documented requirements and risks for the system or component under test
- Identify and mitigate safety hazards associated with test equipment. Produce safety documentation such as job hazard assessments and test readiness reviews
- Maintain documentation, schedule and budgets for the test campaign. Documentation includes: design reviews, wiring lists, P&IDs, schematics, CAD assemblies, drawings, and operations software
- Troubleshoot and resolve integration and test discrepancies during build, commissioning and operation
- Iterate on designs, equipment and operations for repeat tests to improve test efficiency
- Perform analyses for the system predicting results and develop custom tools to analyze generated data. Compile test results clearly for review
- Lead anomaly investigations and their resolution, and present results to a team of physicists and engineers
- Execute plans for future expansion, including capital equipment and floor layouts, always having a vision for scalability of systems into a larger context. Provide visions for multi-use test infrastructure that can be scaled for multiple applications
Requirements
- Bachelor's degree in engineering or science field is required; electrical engineering, mechanical engineering or similar, or applied physics degree
- 5+ years experience designing/building/commissioning specialized electrical apparatus or equipment
- 2+ years using electrical analysis software such as PLECS, LTSPICE, ETAP, Simulink or similar
- Aptitude for applying electromagnetic fundamentals to understand system behavior, such as: parasitic inductance/capacitance, EMI coupling, dielectric breakdown, etc
- Familiarity with electrical standards such as building codes (NEC/NFPA 70), personnel safety (OSHA, NFPA 70E), equipment safety standards (IEC, IEEE, etc)
- Experience working with high-power electronics, such as rectifiers, DC/DC converters, inverters, etc
- Experience working with stored energy devices such as batteries and supercapacitors
- Excellent troubleshooting/problem-solving skills with great attention to detail
- Strong desire to improve efficiency and throughput of processes
- Effective at communicating technical topics to both technical and non-technical audiences
- High self-motivation and drive to execute quickly
- A can-do attitude and an eagerness to learn
- Collaboration skills including active listening and facilitating a productive discourse on problems
- Ability to innovate creative solutions to challenging problems
- Willingness to challenge the status quo in search of better, more efficient methods
- Experience with designing and commissioning new test facilities
- Experience with developing and executing test procedures
- Ability to occasionally lift up to 50 lbs
- Perform activities such as stooping, climbing, typing, standing, or sitting for extended periods of time
- Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics
- Willingness to travel or work required nights/weekends/on-call occasionally
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