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Electrical Engineer

Join Commonwealth Fusion Systems as an Electrical Engineer in Devens. Design, install and test high-power electrical systems for the SPARC fusion programme, working across engineering, construction and manufacturing teams. Bring your power distribution experience to a fast-moving project and benefit from equity, flexible holiday and comprehensive health cover.

Salary
US$134,000–205,000/yr
Location
Devens, MA
Workplace
On-site
Job type
Full time
Applies on jobs.lever.co

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Job description

If that's 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 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

$134,000 - $205,000 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 * 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

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.

Pay & benefits

US$134,000–205,000 /yr
Health insurance Dental insurance Vision insurance Retirement plan Equity Paid time off Parental leave

About this role

Posted
11 Nov 2026
Sectors
Timezone
UTC-05:00
Experience
5+ years with a bachelor's degree, or 2+ years with a master's degree, in electrical distribution systems or battery-based systems

About Commonwealth Fusion Systems

Company Overview

Commonwealth Fusion Systems (CFS)

Cambridge, MA, United States

2018

Approximately 430 employees (source: zoominfo.com). Revenue figures vary, with reports indicating $211.3 million or $31.7 million, though as a pre-revenue fusion developer focused on R&D, these may reflect funding or operations rather than sales.

What They Do

Commonwealth Fusion Systems (CFS) is a pioneering private fusion energy company that specializes in tokamak-based magnetic confinement fusion. Founded as a spinout from MIT's Plasma Science and Fusion Center, CFS focuses on utilizing high-temperature superconducting magnets to achieve commercial net energy production (source: cfs.energy). The company has made significant strides in its technology, particularly with the development of compact fusion machines that leverage decades of tokamak science. Their flagship projects, SPARC and ARC, aim to demonstrate net energy gain and commercial viability in the coming years (source: cfs.energy).

Projects & Track Record

CFS is currently engaged in several groundbreaking projects, most notably the construction of SPARC, which is set to be the world's first net-energy fusion machine. Located at their Fusion Energy Campus in Devens, Massachusetts, SPARC aims to demonstrate net energy gain by the late 2020s (source: cfs.energy). Additionally, CFS is planning the ARC project, a 400 MW-class grid-scale tokamak power plant designed for commercial deployment in the early 2030s. These projects are underpinned by significant technological advancements, including the successful testing of the central solenoid magnet module (CSMC) in November 2024, which confirmed the manufacturability of critical components for SPARC (source: zoominfo.com).

Recent Developments

In the past two years, CFS has made remarkable progress, including the opening of its Devens Fusion Energy Campus on February 10, 2023, which was attended by notable figures such as U.S. Secretary of Energy Jennifer Granholm (source: cfs.energy). The company has also secured substantial funding, raising $863 million in August 2024, building on a previous $1.8 billion round in May 2023, bringing total funding to over $2 billion (source: wbjournal.com). Furthermore, CFS announced its first commercial power plant site in Chesterfield County, Virginia, which will be independently financed and operated, with plans for grid connection in the early 2030s (source: zoominfo.com).

Working There

CFS offers a range of roles across various disciplines, including fusion science, engineering, manufacturing, and materials science. The majority of their workforce is based at the Devens campus, which has grown to over 430 employees (source: cfs.energy). The company culture emphasizes rapid execution and transparency, attracting top talent from the fusion and manufacturing sectors. Key executives include Co-Founder and CEO Bob Mumgaard, along with other leaders in operations and science, indicating a strong demand for expertise in tough tech and physics (source: nasdaqprivatemarket.com). While specific benefits are not detailed, the scale-up and investor backing suggest competitive packages for high-caliber roles in a mission-driven environment (source: cfs.energy). Job seekers are encouraged to monitor their careers page for openings related to SPARC and ARC advancements.

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Electrical Engineer
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