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Cfsenergy

Senior Systems Engineer

Devens, MA

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hirly's read of this role

Seniority
Senior
Stated salary
$134,000 – $205,000 per year
Country
US
Work mode
On-site / unstated
First seen by hirly
21 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

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 Systems Engineer

CFS is currently looking for a Senior Systems Engineer or Systems Engineer II with a mechanical background, who will focus on implementation of Systems Engineering process and systems thinking to subsystems that form the core of the SPARC & ARC tokamaks. This role is inherently cross-disciplinary, and will require collaboration with a wide variety of stakeholders to ensure that systems are designed, integrated, and operated successfully. The Systems Engineer will be responsible for supporting a group of mechanical subsystems, working on activities throughout the development lifecycle, including requirements development, interface definition, trade studies, risk assessment and management, operational concept/control architecture development, test planning, etc. The ideal candidate for this role is comfortable with learning a variety of new technical topics and being proactive to apply that knowledge to ensure that tokamak system development and implementation is successful in validating the current SPARC mission and ARC programs.

Candidates interested in this role should have some related experience and interest in working with the following types of systems we are currently looking for support on:

Both superconducting and non-superconducting magnet systems, or similar electromechanical systems, or:

Complex mechanical systems subject to a variety of thermal, structural, and electrical requirements with multiple interfaces.

Original posting on Cfsenergy's site ↗

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