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Electrical Engineer

Commonwealth Fusion Systems

Job Location:

Devens, MA - USA

Yearly Salary: USD 90000 - 145000

Posted: 13 September 2026 (5 days ago)

Application Deadline: 11 December 2026

Vacancies: 1 Vacancy

Job Summary

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 were designing and building commercially viable fusion power plants. And were working with policymakers suppliers and many others to build the energy industry of the future.

Were in the best position to make it happen. Since 2018 weve raised $4 billion of capital making us the largest and leading fusion company in the world.

Now were looking for more thinkers doers builders and makers to join us. People wholl bring new perspectives solve tough problems and thrive as part of a team.

If thats you and this role fits we want to hear from you.

Join the power movement as an Electrical Engineer

Electrical Engineer reporting to the Manager of Power System Team in the Electrical Power Distribution System (EPDS) team at CFS. Responsible for assisting and lead the coordinate electrical design projects and interface with cross-function stakeholders while ensuring a high-quality execution of design release that meets specifications and project timelines.

What youll do:

Execute installation and testing of complex high power electrical systems for SPARCs 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 were looking for:

5 years of related experience with bachelors degree (or) a masters 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

$90000 - $145000 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

13 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 were 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.

Required Experience:

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