Senior Mechanical Engineer - Vacuum

cfsenergy; Milpitas (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Commonwealth Fusion Systems is seeking a Principal Mechanical Engineer to join the R&D and equipment design team, focusing on end-to-end design of advanced thermal vacuum equipment and related machinery. You will lead mechanical integration, validate performance, and guide cross-functional collaboration in a fast-paced environment.

This on-site role requires technical leadership, deep expertise in vacuum and thermal mechanics, and the ability to mentor peers while delivering robust hardware for

Qualifications

• Designing and implementing high-performance hardware in vacuum environments.
• Mentoring team members in a fast-paced R&D setting.

Responsibilities

• Own end-to-end design, integration, and implementation of advanced thermal vacuum equipment and R&D machinery.
• Drive innovative architecture while maintaining procedural discipline for high-performance hardware.

Skills

Thermal-Mechanical Design

Mentoring

Vacuum Systems

Tools

Finite Element Analysis

3D CAD

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 Principal Mechanical Engineer

We're looking for a Staff Mechanical Engineer to join our R&D and equipment design team to help build the next generation equipment. You will be responsible for the end-to-end design, integration, and implementation of advanced thermal vacuum equipment and R&D machinery.

This role requires you to be a technical expert who can drive innovative architecture while maintaining the procedural discipline necessary for high-performance hardware. If you enjoy solving complex thermal-mechanical problems in vacuum environments and mentoring others in a collaborative, fast-paced setting, this is your opportunity to make an impact.

#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.