Senior Power Electronics Engineer

United States·DevensFull-timesenior

OtherPower Electronics Engineer

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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,

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OtherPower Electronics Engineer

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 and suppliers to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private 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 Power Electronics Engineer

Senior Power Electronics Engineer reporting to the Director of Power Systems in the SPARC 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.

Design, model, simulate, analyze and validate power electronics circuits, magnetic components and control strategies for medium voltage power electronic converter systems (i.e. power supplies)

Define components and develop technical requirements and specifications for power electronic converter systems and other electrical designs

Develop test methods to qualify design from concept through final testing and commissioning steps including troubleshooting of converter systems

Contribute to cross-functional technical design activities to design, build and deliver electrical system designs for fusion power

Collaborate with cross-functional teams on critical procurement contracts & vendor coordination efforts of critical technical and other project milestones

Define requirements and lead initial commissioning activities for power electronic systems

Document design specifications, simulations and test results into engineering reports

8+ years of related experience with Bachelor’s degree (or) a Master’s degree with 6+ years of experience with power electronics based systems

Proven track record in design and development (system, protection, control & mechanical integration) of power electronics based electrical systems

Knowledge of various inverter circuit topologies and the benefits and limitations

Experience with modeling & simulation with analysis tools such as PLECS, PSPICE, MATLAB etc

Experience with semiconductor devices (IGBT, MOSFET, etc.) and magnetic components (transformers, inductors etc.)

Fundamental understanding of gate drive circuits, design and device protection

Experience with packaging design of power conversion equipment and thermal management

Experience with high power electrical equipment >10MW

Experience with hands on testing of electrical components, sub-assemblies and systems in the laboratory and use of oscilloscopes and other measurement equipment

Excellent written and verbal communication skills, ability to conduct design reviews, organize / 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 a focus on Power Electronics

Experience in practical application of electrical engineering skills to construction, manufacturing, testing and field installations

Experience with application of compliance standards to the designs (IEC, UL, CSA, NEC etc.)

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

Experience with scaling up independent systems to a larger system to meet higher power 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.