Senior Electrical Engineer

Cfsenergy; Harvard (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Commonwealth Fusion Systems is seeking a Senior Electrical Engineer to lead high‑power electrical designs for the SPARC pulsed power system. You will interface with R&D, physics, manufacturing, and software teams to ensure robust, compliant designs and successful handovers.

The role requires 8+ years of related experience with a Bachelor's or 6+ years with a Master’s in power electronics, plus proven leadership in fast-paced projects and hands-on risk management.

Qualifications

• 8+ years of related experience with Bachelor’s degree or a Master’s degree with 6+ years in power electronics.
• Proven track record leading complex electrical design projects.
• Experience interfacing with cross-functional teams and stakeholders.

Responsibilities

• Lead complex high power electrical designs for SPARC’s pulsed power system.
• Develop test methods and test plans to qualify electrical designs.
• Lead installation, test, and operations handover for electrical designs.
• Oversee electrical work package releases (equipment lists, drawings, schematics).
• Apply electrical safety practices and compliance standards in design and implementation.

Skills

Leadership

Power electronics

Project management

Communication

Team leadership

Education

Bachelor’s degree in electrical engineering

Master’s degree in electrical engineering

Tools

Simulation tools

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.

• 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.
• 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
• 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
• 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