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Commonwealth Fusion Systems (CFS)

Director of Magnet Engineering

Become the Director of Magnet Engineering at Commonwealth Fusion Systems in Devens, Massachusetts. Lead a talented team in designing HTS magnets for the SPARC project. Enjoy competitive compensation, equity, and generous benefits including flexible vacation days and professional growth opportunities.
Commonwealth Fusion Systems (CFS)
Commonwealth Fusion Systems (CFS)
Devens, Massachusetts, United States   On-site   Full Time   USD 170k–250k yearly  UTC-05:00

Commonwealth Fusion Systems (CFS)

Company Overview

Commonwealth Fusion Systems

Cambridge, MA, United States

2018

Business Model

Energy

Commonwealth Fusion Systems focuses on developing advanced fusion energy technology. Their core activities include research and development of superconducting magnets and fusion reactors aimed at providing a clean and virtually limitless energy source.

Their revenue streams primarily come from government grants, private investments, and partnerships with various organizations in the energy sector.

Locations & Geography

Commonwealth Fusion Systems operates primarily in the United States, with a significant presence in Cambridge, MA. They are also involved in international collaborations, expanding their influence in the global energy landscape.

Company Culture

Their mission is to accelerate the development of fusion energy to provide a sustainable and clean energy future. They value innovation, collaboration, and a commitment to scientific excellence.

Commonwealth Fusion Systems fosters a dynamic and inclusive work environment that encourages creativity and teamwork. Employees are motivated to push the boundaries of science and technology in a supportive atmosphere.

They emphasize continuous learning and professional growth, offering various training programs and opportunities for employees to advance their skills in the field of fusion energy.

Activities & Projects

Commonwealth Fusion Systems is currently working on the SPARC project, which aims to demonstrate net-positive energy from a fusion reactor. This project is a significant step towards commercial fusion energy.

They are pioneering the use of high-temperature superconductors in fusion technology, which enhances the efficiency and feasibility of fusion reactors. This innovation is crucial for making fusion energy a reality.

Their sustainability practices focus on developing clean energy solutions that minimize environmental impact. By harnessing fusion energy, they aim to provide a sustainable alternative to fossil fuels.

Career Opportunities

Commonwealth Fusion Systems typically has openings for roles in engineering, research, and project management. They seek individuals passionate about advancing fusion technology and contributing to a sustainable energy future.

They offer competitive salaries, comprehensive health benefits, and opportunities for professional development. Employees also enjoy a collaborative work culture that values innovation and creativity.

Contact Information

LinkedIn

cfs.energy

Careers at Commonwealth Fusion Systems


Last updated on 2025-03-27 | Report an issue

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 Director of Magnet Engineering

CFS is designing SPARC, a tokamak able to achieve net energy plasmas. SPARC includes HTS and copper magnets, thermal shields, vessels and plasma facing components, all subject to large operational loads (thermal, electromagnetic, etc) and competing for space. As the Director of Magnet Engineering, you will manage the engineering staff responsible for designing and delivering our HTS Magnets to support SPARC and beyond.

What you'll do

  • Lead the CFS Magnet Engineering team
  • Hire and develop outstanding engineers to design and build our HTS magnets
  • Plan, organize and manage the work of the team accordingly
  • Create metrics, and delivery goals for the team
  • Establish best practices, workflows and standards for the unique domain of HTS magnet design (extreme loads, vacuum and cryo operation, EM considerations)
  • Set clear design standards and ensure they are aligned with project needs
  • Ensure that released drawings and engineering products are correct and of high quality
  • Drive team to meet needed deadlines
  • Establish and manage budgets for team overhead and contract support
  • Provide guidance and direction to the team to ensure operational and technical excellence
  • Work with the other engineering team leaders to resolve technical issues

What we're looking for

  • Bachelor's degree in Mechanical Engineering (or similar engineering discipline)
  • 15+ years of experience in the engineering of magnets or similarly complex hardware systems
  • Experience with developing and designing hardware systems through the use of 3D modeling and simulation software
  • 5+ years of supervisory experience with at least 10 individuals
  • Experience designing for environments with extreme thermal variations
  • Ability to develop and manage design procedures
  • Familiarity with codes including ASME standards
  • Experience with CAD design tools such as: NX, Creo, SolidWorks, etc.
  • Ability to clearly express and critique ideas
  • Attention to detail
  • Emphasis on elegance and simplicity over complexity
  • Drive towards commercially viable solutions
  • Values that align with our company's values of integrity, execution, impact, and self-critique

Bonus points for

  • Experience with REBCO and high-temperature superconducting tape
  • Experience designing high-field magnets
  • Experience designing for and operating in ultra-high vacuum environments
  • Experience designing and operating cryogenic fluid systems

Must-have Requirements

  • 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

$170,000 - $250,000 a year

Salary range for this full-time position + equity + benefits. The actual salary will depend on level, location, qualifications, and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations. Benefits include:

  • 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.

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About the role

October 27, 2025

Full Time

Company

October 27, 2025

On-site

USD 170k–250k yearly

Commonwealth Fusion Systems (CFS)

cfs.energy

  •  Devens, Massachusetts, United States

15+ years in engineering, with 5+ years in supervisory roles

UTC-05:00

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