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Commonwealth Fusion Systems

Electrical Engineer

Compensation
$90K–$145K / yr
Location
Devens, MA, US
Arrangement
On-site
Employment type
Full-time
Posted
11 September 2026 (19 days ago)

Checked 18 days agoApplications go to the employer, never to RoleSprint

About this role

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 we're working with policymakers, suppliers, and many others to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.

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.

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 we're working with policymakers, suppliers, and many others to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.

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 Engineer Senior Electrical Engineer reporting to the Manager of Power Electronics in the Pulsed Electrical Distribution System (PEDS) team at CFS. Responsible to lead and coordinate electrical design projects and interface with cross-function stakeholders while ensuring a high-quality design release that meets specifications, project timelines within budget allocated.

What you'll do: • Execute installation and testing of complex high power electrical systems for SPARC’s pulsed and steady state power system

• Develop technical requirements for vendor electrical equipment based on simulations and analysis of the SPARC power system

• Develop and implement test methods and test plans to qualify newly developed electrical designs

• Lead the installation, test, and operations handover for electrical designs

• Lead electrical work package releases (equipment list, drawings, schematics)

• Apply core electrical engineering knowledge and experience to design and improve high power systems (including but not limited to switchgear, transformers, switchboards, panelboards, reactors, semiconductor devices, cooling systems and control systems)

• Develop control narratives, concept of operations, and commissioning procedures for newly developed electrical systems

• Interface with SPARC cross functional teams including R&D, physics, construction, manufacturing, software, test, compliance & commissioning, etc. to ensure all requirements are met

• Support vendor coordination and quote procurement

• Apply best electrical safety practices & compliance standards in design and implementation

• Work on advanced development to develop in-house electrical power technologies for the future of CFS

What we’re looking for: • 5+ years of related experience with bachelor’s degree (or) a master’s degree with 2+ years of experience with electrical distribution systems or battery based systems

• Ability to work with a technical team from conception of ideas through implementation in a fast-paced environment

• Proven experience working on a team while also contributing technically to engineering projects

• Experience in design and implementation of power systems in the electrical power industry

• Experience with Medium Voltage & Low Voltage systems (AC/DC power distribution, power conversion, energy storage solutions)

• Experience with modeling, simulation and analysis backed with validation via functional testing

• Excellent written and verbal communication skills, ability to conduct design reviews, organize and present results to both expert and non-technical audiences

• Results driven and ability to embrace and convince stakeholders of a change in design direction in pursuit of a high-quality product release

• Familiarity with the National Electric Code & IEEE standards for 3ph power systems

• Experience with writing technical specifications for electrical equipment

• The candidate should specialize in electrical system execution in a construction setting

Bonus points for: • Experience in practical application of electrical engineering skills to construction, manufacturing, testing and field installations

• Experience with energy storage (batteries, capacitors etc.)

• Experience in problem solving, root cause analysis and field containment actions

• Experience with hands on prototype build, prototype testing and documentation of results.

• Experience with MFiles, NX (2D and 3D), Teamcenter

• Experience with ETAP, SKM, and/or Easypower and protective relay programming (acSELerator)

• Experience with AutoCAD and/or Aveva Electrical, NX(2D and 3D), Bluebeam, and creation of electrical design drawings such as Single Lines, Panel Schedules and Electrical Schematic Diagrams

• Experience with grounding, bonding and lightning protection design

• Experience with AC industrial power distribution design, including emergency power backup systems like emergency diesel generators and uninterruptible power supplies

Must-have Requirements: • Ability to lift up to 50lbs

• Perform activities such as standing, typing or sitting for extended periods of time

• Willingness to travel or work required nights/weekends/on-call occasionally

• 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

#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.

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

Work location

  • Devens, MA, US

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About this listing

Advertised by Cfsenergy and published on Lever, the applicant tracking system they use.

RoleSprint is not the employer and not a recruiter. Applications are made on the employer’s own site and never reach us; what RoleSprint does is help you decide whether a role is worth your time and prepare for it if it is.

Published 11 September 2026, last checked 18 days ago. A posting stops being advertised here 90 days after the employer published it, and one the employer takes down is marked closed rather than quietly removed.

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