Mechanical Engineer - Manufacturing

Somerville, MA
Corporate Operations – Operations - Manufacturing /
Full-time /
On-site
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.

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.

This team member will:

    • 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
    • Create and maintain Process and Instrumentation Diagrams (P&IDs)
    • 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

The ideal candidate will have most, if not all, of these requirements:

    • Bachelor's degree in Mechanical Engineering or a related field
    • 4+ 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 problemsolving 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

Additional preferred experience and/or qualifications:

    • Strong knowledge of mechanical systems, including hydraulics, pneumatics, and motion control
    • Experience with production ramp-up and optimization of manufacturing processes
    • Experience with automated equipment and robotics
    • Ability to occasionally lift up to 50 lbs
    • Perform activities such as typing, standing, or 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 travel or work required nights/weekends/on-call occasionally
    • #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.