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Machinist

Company:
Commonwealth Fusion Systems
Location:
Devens, MA
Posted:
August 30, 2025
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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 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 a Machinist This position will be responsible for machining or modifying parts per use of verbal communication, drawings and solid models using standard machine shop tooling such as 3 axis machining centers, waterjet, Trak mill and lathe, surface grinder and standard equipment.

What you'll do:

Safely program, set-up and operate multiple CNC equipment with minimal assistance

Simultaneously operate more than one CNC machine at a time

Read and adhere to all verbal and written processes

Inspect product utilizing visual and hand inspection equipment (microscopes, vernier calipers, micrometers, drop indicators, profilometer, etc.)

Inspect, change and make offsets to cutting tooling in CNC equipment

Use 5S to maintain a clean and safe workspace

Perform daily preventative maintenance on equipment

Interact in a professional manner with coworkers on a daily basis

What we’re looking for:

Formal trades or apprenticeship programs

Higher level trade school certification or degree

5 years experience in CNC machine trade

Good computer skills

Experience programming with cad

Basic knowledge of G-code

Strong work ethic and high attention to detail

Flexible ability to work in a fast-paced team environment

Ability to manage sensitive and sometimes confidential information

Great communication skills

Openness to working overtime or to arrange start time to benefit part run times as required

Basic knowledge of welding and torches

Knowledge of how to use a plasma cutter

Basic knowledge of sheet metal fabrication

Trained in time management

Bonus points for:

Knowledge of how to calculate tolerance changes to atmospheric temperature changes in shops (CTE)

Full knowledge of Mastercam

Experience with Haas machining centers

4 and 5 axis machining experience

Waterjet experience

EDM (electrical discharge machine) experience

Must-have Requirements:

Ability to lift up to 50 lbs

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

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

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

Full-time

#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.

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