Fusion Systems Technician; Production & R&D

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 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.

We’re excited to see if you’re a match for the roles outlined below, or if you'd like to stay in touch for future opportunities. If you’re an experienced technician who thrives in fast‑paced, hands‑on environments, we encourage you to submit your application so we can keep your information on file for future consideration.

If you're ready to be part of the power movement, and any of these roles sounds like a match, we’d love to hear from you.

• Build and test complex assemblies used in superconducting magnets, working closely with cross‑functional teams in a fast‑paced manufacturing environment.
• Requires at least 3 years of mechanical or electrical assembly experience, strong troubleshooting skills, and the ability to follow detailed procedures and drawings.

• Supports the development and commercialization of new products by assisting with prototype builds, process monitoring, troubleshooting, and equipment maintenance across various technical areas.
• Requires at least 5 years of hands‑on experience in mechanical and electrical assembly, strong problem‑solving skills, and the ability to work independently in a fast‑paced, cross‑functional environment.

• Supports R&D and Production teams by performing fiber splicing, testing, and integration of optical fibers into complex systems.

• Supports the testing and inspection of new systems under the guidance of experienced field leads, contributing to the development of commercial fusion energy.
• Requires hands‑on experience, adaptability, and a willingness to work in industrial environments.

• Supports the fabrication, testing, and installation of high‑power RF components for CFS’s fusion energy systems.
• The ideal candidate has hands‑on experience in mechanical and electrical assembly, RF testing, and troubleshooting.

Salary
: $30 - $41 an hour (full‑time position + equity + benefits)

• Competitive compensation with equity
• 12.5 Company‑wide Holidays
• Flexible vacation days
• 10 sick days
• Generous parental leave policy
• Health, dental, and vision insurance
• 401(k) with employer matching
• Professional growth opportunities
• Team‑building activities

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.