Mechanical Engineer - Manufacturing - Second Shift

Commonwealth Fusion Systems

190

Devens, MA, United States

Posted on: 2025-07-28

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 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.

Join the power movement as a Mechanical Engineer - Manufacturing

We are seeking a highly motivated and experienced Mechanical Engineer to join our manufacturing team. In this role, you will be responsible for providing technical expertise during the commissioning, implementation, and integration of manufacturing equipment. You will work closely with our production team to ensure that our manufacturing processes are optimized for efficiency, quality, and safety.

Additionally, this position requires coverage or partial coverage for the second shift, as well as support for Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) of equipment.

#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.

What you'll do:

Provide technical expertise during the commissioning, implementation, and integration of manufacturing equipment

Support Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) of equipment

Troubleshoot mechanical issues and provide solutions to ensure equipment operates efficiently

Collaborate with production and engineering teams to optimize manufacturing processes and improve equipment performance

Drive continuous improvement initiatives for manufacturing equipment to increase efficiency, reduce downtime, and improve quality.

Conduct root cause analysis and implement corrective actions to resolve manufacturing issues

Ensure compliance with all safety requirements

Proficient with 3D CAD software

Understand and apply Geometric Dimensioning and Tolerancing (GD&T) principles

Work with external vendors and suppliers to ensure the timely delivery of equipment and materials

What we're looking for:

Bachelor's degree in Mechanical Engineering or a related field

3+ years of experience in mechanical engineering, with a focus on manufacturing equipment

3+ years of manufacturing equipment design

Strong knowledge of mechanical systems, including hydraulics, pneumatics, and motion control

Experience 3D CAD packages and 2D drawings

Experience with Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) of equipment

Familiarity with Process and Instrumentation Diagrams (P&IDs)

Understanding of GD&T and its application

Excellent problem solving and analytical skills

Strong communication and interpersonal skills, with the ability to collaborate effectively with crossfunctional teams

Experience with commissioning and startup of manufacturing equipment

Bonus points for:

Strong knowledge of mechanical systems, including hydraulics, pneumatics, and motion control

Experience with production ramp-up and optimization of manufacturing processes

Must-have requirements:

Ability to lift up to 50 lbs occasionally

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

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

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

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