Equipment Technician

Commonwealth Fusion Systems

190

Milpitas, CA, United States

Posted on: 2025-09-18

Category: renewables

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.

CFS is collaborating with MIT to leverage decades of research combined with new groundbreaking high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost.

The mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change.

If you are interested in joining our team, check out cfs.energy/careers for more information.

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.

If that’s you and this role fits, we want to hear from you.

Join the power movement as an Equipment Technician

We are seeking a skilled and hands-on Equipment Technician to join our team. This technician will support the build, maintenance, and continuous improvement of complex equipment used in both the HTS Pilot line and characterization lab. This role involves working with advanced vacuum systems, thermal processes, instrumentation, and large-scale assemblies in a fast-paced, R&D-focused environment.

#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.

What you'll do:

Assemble, operate, and maintain custom equipment used in the HTS pilot line and characterization lab

Perform mechanical and electrical troubleshooting across vacuum, thermal, and instrumentation systems

Support equipment integration, testing, and commissioning efforts in collaboration with engineers and vendors

Maintain lab infrastructure and ensure compliance with safety protocols and standard operating procedures

Conduct preventive maintenance on key systems such as roughing pumps, turbo pumps, and cryopumps

Perform helium leak checks and support upgrades to vacuum and process systems

Fabricate and repair cable harnesses, sensors, and custom fixturing

Use test equipment such as oscilloscopes and multimeters for diagnostics and data acquisition

Keep documentation up to date, including maintenance logs and equipment performance records

Contribute to lab cleanliness, organization, and continuous process improvements

What we’re looking for:

5+ years of experience supporting industrial, R&D, or manufacturing equipment

Strong hands-on skills with mechanical assembly and vacuum systems (HV/UHV)

Familiarity with vacuum technology principles and cleaning protocols for vacuum components

Experience servicing or refurbishing pumps (scroll, turbo, cryo)

Working knowledge of low- and high-voltage electrical systems and cable harness fabrication

Ability to troubleshoot electrical and instrumentation systems using common bench tools

Functional understanding of electrical codes and basic safety standards

Strong safety mindset and experience working under OSHA and LOTO protocols

Comfortable working with appropriate PPE around fumes, noise, and other lab hazards

Bonus points for:

Experience working in pilot-scale or production-line environments

Knowledge of plumbing systems, cryogenics, or thermal control systems

Proficiency using lab management tools, maintenance tracking systems, or basic CAD

Must-have Requirements:

Ability to occasionally lift up to 50 lbs

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

Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics

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

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