Senior Structural Mechanical Engineer

Commonwealth Fusion Systems

1050

Devens, MA, United States

Posted on: 2025-04-22

Category: renewables

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Expired

Employment type:

Full time

Experience required:

Senior

Salary

Salary not provided

About the company:

Commonwealth Fusion Systems (CFS) is on a mission to deliver clean fusion energy to the planet fast enough to matter for humanity’s biggest challenges.

It’s urgent. The gap between the energy we need and the energy we have is widening every day. Fusion is a critical part of the energy transition away from fossil fuels, a new chapter for the world’s energy supply.

We’re committing to delivering fusion power plants and a full-fledged fusion energy industry as we’ve delivered on other promises. Like the world’s strongest high-temperature superconducting magnet, the game-changing technology that’s making commercial fusion energy a reality.

We’ve raised over $2 billion in capital — more than any other fusion energy company — and attracted top talent to design, build, and deliver commercial fusion power plants. And we’re working with policymakers and suppliers to make fusion energy available globally.

As we push toward the fusion-energy future, we’ll keep setting and meeting milestones, sharing and validating our progress, and encouraging others to do the same.

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 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 over $2 billion in capital – more than any other fusion energy company in the U.S.

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 Structural Mechanical Engineer

As a Senior Structural Mechanical Engineer for CFS, you will serve as an expert in structural mechanics for various projects across the company, including SPARC, ARC, and other R&D activities.

#LI-Hybrid

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.

What you'll do:

Serve as a domain expert in structural mechanics

Solve complex problems and provide recommendations by providing technical leadership and collaborating with stakeholders across CFS

Mentor junior staff within the Structural Engineering Department and other mechanical engineers that conduct structural analysis

Assist Structural Engineering Department management in development, implementation and adoption of best practices, workflows, and overall strategy

Conduct and review structural analysis for various system designs at CFS

What we’re looking for:

At least a Bachelor's degree in Mechanical Engineering or a related field

At least 7+ years of professional experience performing finite element analysis with multi-disciplinary teams in a product development environment

Strong knowledge of the fundamentals of computational structural mechanics, including non-linear materials, plasticity, fatigue, solver convergence, and contacts

High self-motivation and personal accountability in decision-making and team supervision.

Strong leadership acumen, adept at embracing challenges with minimal oversight.

Excellent problem-solving and creative capabilities.

Exceptional communication and interpersonal skills, with the capability to engage and influence stakeholders at all organizational levels

Bonus points for:

Proficiency in ANSYS Workbench and SpaceClaim

Experience with electromagnetic and thermal FEA

Ability to code in Python and APDL

Experience pre- and post-processing of large computational models in a product development environment.

Familiarity with industry codes and standards (e.g., ASME BPVC) related to structural design and analysis of large structures

Must-have Requirements:

Willingness to travel or work required nights/weekends/on-call occasionally

Perform activities such as typing, standing, or sitting for extended periods of time

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

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