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Commonwealth Fusion Systems

Manager - NDT & RSO

Join Commonwealth Fusion Systems in Devens, Massachusetts as Manager - NDT & RSO. Lead NDT operations and radiation safety for fusion energy projects, managing inspections and safety programs. Enjoy competitive pay, equity, flexible vacation, and professional growth in a mission-driven team.
Commonwealth Fusion Systems
Commonwealth Fusion Systems
Devens, Massachusetts, United States On-site Full time USD 110k–185k yearly UTC-05:00

Commonwealth Fusion Systems

Company Overview

Commonwealth Fusion Systems (CFS)

Cambridge, MA, United States

2018

Approximately 430 employees (source: zoominfo.com). Revenue figures vary, with reports indicating $211.3 million or $31.7 million, though as a pre-revenue fusion developer focused on R&D, these may reflect funding or operations rather than sales.

What They Do

Commonwealth Fusion Systems (CFS) is a pioneering private fusion energy company that specializes in tokamak-based magnetic confinement fusion. Founded as a spinout from MIT's Plasma Science and Fusion Center, CFS focuses on utilizing high-temperature superconducting magnets to achieve commercial net energy production (source: cfs.energy). The company has made significant strides in its technology, particularly with the development of compact fusion machines that leverage decades of tokamak science. Their flagship projects, SPARC and ARC, aim to demonstrate net energy gain and commercial viability in the coming years (source: cfs.energy).

Projects & Track Record

CFS is currently engaged in several groundbreaking projects, most notably the construction of SPARC, which is set to be the world's first net-energy fusion machine. Located at their Fusion Energy Campus in Devens, Massachusetts, SPARC aims to demonstrate net energy gain by the late 2020s (source: cfs.energy). Additionally, CFS is planning the ARC project, a 400 MW-class grid-scale tokamak power plant designed for commercial deployment in the early 2030s. These projects are underpinned by significant technological advancements, including the successful testing of the central solenoid magnet module (CSMC) in November 2024, which confirmed the manufacturability of critical components for SPARC (source: zoominfo.com).

Recent Developments

In the past two years, CFS has made remarkable progress, including the opening of its Devens Fusion Energy Campus on February 10, 2023, which was attended by notable figures such as U.S. Secretary of Energy Jennifer Granholm (source: cfs.energy). The company has also secured substantial funding, raising $863 million in August 2024, building on a previous $1.8 billion round in May 2023, bringing total funding to over $2 billion (source: wbjournal.com). Furthermore, CFS announced its first commercial power plant site in Chesterfield County, Virginia, which will be independently financed and operated, with plans for grid connection in the early 2030s (source: zoominfo.com).

Working There

CFS offers a range of roles across various disciplines, including fusion science, engineering, manufacturing, and materials science. The majority of their workforce is based at the Devens campus, which has grown to over 430 employees (source: cfs.energy). The company culture emphasizes rapid execution and transparency, attracting top talent from the fusion and manufacturing sectors. Key executives include Co-Founder and CEO Bob Mumgaard, along with other leaders in operations and science, indicating a strong demand for expertise in tough tech and physics (source: nasdaqprivatemarket.com). While specific benefits are not detailed, the scale-up and investor backing suggest competitive packages for high-caliber roles in a mission-driven environment (source: cfs.energy). Job seekers are encouraged to monitor their careers page for openings related to SPARC and ARC advancements.


Last updated on 2026-02-23 | 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 we're 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 Manager - NDT & RSO

The Manager of NDT and Industrial RSO is the technical owner of NDT Operations and industrial radiography radiation safety at CFS. This role is responsible for developing and maintaining the organization's NDT capabilities to ensure successful delivery of SPARC and to prepare for the future scaling for ARC power plants.

You are responsible for the successful execution of all NDT inspections, including UT/UTPA, RT (CR & DR), ET, PT, MT, and VT. This role directly manages the NDT technician team and serves as the industrial Radiation Safety Officer for all RT activities onsite at Devens. You will interface directly with corporate EHS Radiation Safety, project managers, design, vendors, manufacturing, construction, and tokamak assembly to ensure personnel are scheduled and assigned to the jobs as applicable to their credentials.

What you'll do

  • Develop and maintain organizational NDT capabilities, identifying gaps in technology or competency and implementing solutions that scale from SPARC manufacturing and assembly into the future ARC fleet
  • Serve as the Industrial Radiation Safety Officer for NDT radiography, owning the radiation protection program, licensing, regulatory interface, and incident response
  • Act as the Responsible Level III and Certifying Authority, maintaining overall responsibility for the NDT personnel qualification and certification program
  • Oversee NDT execution across CFS manufacturing, CFS-2 construction, tokamak assembly, and vendor sites, ensuring safety, compliance, and alignment with project schedules
  • Oversee and audit NDT technicians to ensure examinations are conducted in accordance with work instructions and are aligned with engineering requirements & applicable codes and standards
  • Work directly with the NDT engineering and training team to help establish technician training and competency to new procedures and standards
  • Participate in establishing and maintaining training and qualification frameworks for NDT technicians, and provide ongoing technical support and troubleshooting
  • Review and audit work order instructions and procedures to ensure the latest is used for examinations
  • Use NDT results to inform nonconformances and RCCA, and drive the continuous improvement of NDT capabilities to feed lessons learned back into process and design improvements for future projects

What we're looking for

  • Bachelor's degree in Engineering (Mechanical, Materials, Electrical, or related discipline)
  • Level 2 or 3 certification (ASNT, NAS 410, or ISO 9712) in 3 or more NDT methods
  • Level III certification in Radiographic Testing (RT)
  • 5+ years experience as a Radiation Safety Officer
  • 12+ years of NDT experience on critical components (e.g., heavy-wall welds, complex geometries, or other high-integrity applications)
  • Hands-on experience with industrial radiography using digital techniques (CR and/or DR)
  • Strong knowledge of relevant codes and standards (e.g., ASME Section V, VIII.2, and other applicable ASTM NDT standards).
  • At least 3 years in a managerial or supervisory capacity
  • Additional Level III certifications in ET, PT, VT
  • GD&T and Metrology
  • Minitab or JMP, MS Excel (including VBA), MS Visio
  • Excellent communication and organization skills

Bonus points for

  • Experience with assembly of large metallic structures
  • Subject matter expertise across the full CFS technical portfolio: UT/UTPA, RT (CR & DR), ET, PT, MT, and VT

Must-have requirements

  • Ability to lift up to 50 lbs occasionally
  • Perform activities such as 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

$110,000 - $185,000 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
  • 13 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.

Apply now

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About the role

March 6, 2026

Full time

Company

March 7, 2026

On-site

USD 110k–185k yearly

Hydropower

Commonwealth Fusion Systems

cfs.energy

  •  Devens, Massachusetts, United States

12+ years of NDT experience and 5+ years as a Radiation Safety Officer

UTC-05:00