Senior Electrical Engineer

Commonwealth Fusion Systems

Harvard (MA)

On-site

USD 140,000 - 210,000

Full time

2 days ago

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Benefits offered by this job

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

Job summary

Commonwealth Fusion Systems in Massachusetts seeks a Senior Electrical Engineer to lead high‑power electrical designs for SPARC’s pulsed power system, reporting to the Manager of Power Electronics. You will work with cross‑functional teams to ensure timely, high‑quality design releases.

The role requires 8+ years in power electronics, strong leadership, and MV/LV systems experience; safety and collaboration are emphasized. Competitive compensation, equity, and benefits are provided.

Qualifications

8+ years of experience in power electronics-based systems
Ability to lead a technical team from conception to implementation
Proven track record in design and implementation of power systems
Experience with Medium/Low Voltage systems and power distribution
Modeling, simulation and analysis with validation testing
Excellent communication and results‑driven mindset

Responsibilities

Lead high‑power electrical designs for SPARC pulsed power.
Define vendor electrical equipment requirements from simulations.
Create test methods and qualification plans for new designs.
Oversee installation, testing, and handover of designs.
Coordinate work-pack releases: equipment lists, drawings, schematics.

Skills

Power electronics

Team leadership

Power systems design

Modeling & simulation

Communication

Education

Bachelor’s degree in Electrical Engineering

Master’s degree in Electrical Engineering

Job description

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:

Lead complex high power electrical designs for SPARC’s pulsed power system
Develop technical requirements for vendor electrical equipment based on simulations and analysis of the SPARC power system
Develop 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 high power systems (including but not limited to switchgear, transformers, 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 critical procurement contracts & vendor coordination
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:

8+ years of related experience with Bachelor’s degree (or) a Master’s degree with 6+ years of experience with power electronics based systems
Ability to lead a technical team from conception of idea till implementation in a fast-paced environment
Proven experience leading teams while also contributing technically to engineering projects
Proven track record in design and implementation of power systems in the electrical power industry
Extensive 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 on a change in design direction in pursuit of a high-quality product release

Bonus points for:

Master’s degree in electrical engineering with focus on power systems and/or power electronics
Experience in practical application of electrical engineering skills to construction, manufacturing, testing and field installations
Experience with energy storage (batteries, capacitors etc.) is a plus
Experience in problem solving, root cause analysis and field containment actions
Experience with hands on prototype build, prototype testing and documentation of results is a plus

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

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.

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: