Principal Mechanical Engineer

Devens, MA
SPARC Tokamak Team – Tokamak Systems /
Full-time /
Hybrid
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.

We are looking for an outstanding and outcome-focused Principal Mechanical Engineer to become a part of our SPARC team. This role will hold a crucial position in taking to completion the design and delivery of systems within SPARC, our first-of-a-kind compact fusion machine.

Technical Ownership:

    • Assume full responsibility for driving a system through its design phase to ensure its readiness for fabrication
    • Drive progress throughout the production process: *Effectively manage unforeseen non-conformities or changes, while keeping stakeholders and interfaces well-informed *Collaborate closely with vendors and internal resources to uphold product integrity, cost-effectiveness, and schedule adherence
    • Prepare documentation required for system installation and initial operation
    • Proactively monitor the system's cost and schedule, identifying potential triggers for overspending and delays, and implementing corrective strategies
    • Mitigate and manage the technical risks associated with the system
    • Provide accurate and concise updates to relevant stakeholders regarding the system's status and associated risks

Technical Leadership:

    • Balance risk and mitigation efforts adeptly.
    • Align resource allocation with the project's scope.
    • Manage and optimize team workloads.
    • Promote a collaborative culture dedicated to collective success.
    • Ensure the team consistently delivers quality outputs.

The ideal candidate will have most, if not all, of these requirements:

    • Bachelor's degree in engineering or equivalent education and experience.
    • 15+ years of engineering experience in a multidisciplinary team, encompassing mechanical and electrical disciplines.
    • Demonstrated success in delivering innovative engineering solutions.
    • Proficiency in engineering product-life cycles involving review gates.
    • Profound grasp of configuration management and its application in low TRL systems.
    • Experience with large fabrications
    • Rapid adaptability to new technologies.
    • High self-motivation and personal accountability in decision-making and team supervision.
    • Strong leadership acumen, adept at embracing challenges with minimal oversight.
    • Unwavering commitment to safety.
    • Excellent problem-solving and creative capabilities.
    • Exceptional communication and interpersonal skills, with the capability to engage and influence stakeholders at all organizational levels.

Additional experience and/or qualifications:

    • Experience with ultra-high vacuum, radiofrequency applications, ceramics and/or refractories is preferred
    • Experience working with project management tools is a plus
    • Willingness to travel flexibly or cover work activities outside normal hours (e.g. during installation phase) 
    • 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-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.