Senior Electrical Commissioning Test Engineer

Commonwealth Fusion Systems
Devens, MA

About Commonwealth Fusion Systems:

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.

Combining decades of research, top talent and new technologies, we’re designing and building commercially viable fusion power plants. And working with policymakers and suppliers to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised over $2 billion in capital – more than any other fusion energy company in the U.S.

Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.

If that’s you and this role fits, we want to hear from you.

Join the power movement as a Senior Electrical Commissioning Test Engineer

The Senior Electrical Commissioning Test Engineer will collaborate on the developing, driving and owning large systems of SPARC Commissioning activities through First Plasma. They will work with multidisciplinary teams of engineers and technicians in support of critical company milestones. They will participate as a strategic partner in Commissioning team projects, helping align department goals and objectives to larger company goals. They will work collaboratively with manufacturing, procurement, assembly, and other SPARC teams to achieve these goals.

What you'll do:

  • Execute long-term complex testing procedures performed in the field, encompassing multiple disciplines and several stages based upon project maturity and status of completion
  • Collaborate with CFS ENG functional groups to develop Functional Test Procedures and provide necessary training or communication to involved parties.
  • Provide guidance and instruction to cross functional groups within CFS regarding commissioning procedures
  • Act as strategic partner for the commissioning team utilizing system knowledge and understanding of the team goals. Provide guidance and use sound judgment to help ensure work aligns with overall company goals.
  • Interact with work groups within and outside of CFS to ensure that commissioning team philosophy and CFS vision is clearly communicated and fully understood.
  • Develop a detailed Commissioning Plan for assigned systems, including project development and roadmaps, working closely with Technical Project Managers and other key stakeholders
  • Proactively identify issues and ensure accurate submission to commissioning management system. Drive issues to successful conclusion, including providing necessary training to involved parties
  • Ensure completion of all Commissioning documentation in an accurate and timely fashion. Collaborate with CFS work groups and outside vendors to assemble and collate documentation
  • Develop and complete Inspection Test Reports specific to components in assigned systems and ensure accurate submission to Commissioning Management System
  • Perform review and approval of Mechanical Completion Dossier and related turnover documents. Ensure capture and inclusion in commissioning management system
  • Review and approve specialized activities performed by third parties or by specifically trained CFS personnel (HiPot Testing, Specialized Flushing, Leak Testing, Dielectric Withstand Testing, Creepage calculations, et al)
  • Ensure that activities being performed in the field are in being conducted in accordance with CFS Standards, standards published by regulatory bodies (NFPA, ASME, ASTM, NET, OSHA, NIOSH, etc), and, if such standards to not exist, with Industry Best Practices, including identifying gaps in training to provide coaching
  • Adhere to the highest standards of safety and ensure that activities taking place under her or his oversight are being performed in strict accordance with CFS safety policies and applicable regulatory safety standards
  • Collaborate with CFS EHSS and CFS engineering teams to proactively identify risks and align on mitigation requirements for all activities. Participate in Risk Assessment activities and Root Cause Analysis as needed
  • Attend conferences or attend Factory Acceptance Testing activities at vendor locations as required, represent the CFS Commissioning Team at all times

What we're looking for:

  • BS in Electrical Engineering or related field
  • HS Diploma
  • 7+ Years Commissioning (similar and cross functional experience in operations or maintenance is acceptable)
  • High proficiency MS Office, BlueBeam or Acrobat, and 3D modeling programs

Bonus points for:

  • Mechanical, Electrical, and Instrumentation Commissioning Experience
  • OSHA 10
  • NFPA 70E
  • NCCER Mechanical Technician

Must-have requirements:

  • Ability to occasionally lift up to 50 lbs
  • Perform activities such as stooping, climbing, typing, standing, or sitting for extended periods of time
  • Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics
  • Willingness to occasionally travel to witness FAT at vendor locations worldwide. May work second/third shifts and/or weekends as dictated by project needs

$110,000 - $185,000 a year

Salary range for this full-time position + equity + benefits . The actual salary will depend on level, location, qualifications, and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations. Benefits include:

Competitive compensation with equity

12.5 Company-wide Holidays

Flexible vacation days

10 sick days

Generous parental leave policy

Health, dental, and vision insurance

401(k) with employer matching

Professional growth opportunities

Team-building activities

#LI-Onsite

At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.

We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.

Posted 2025-11-25

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