Director SPARC Plant Operations
Commonwealth Fusion Systems (CFS)
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.
Contact
Last updated on 2025-12-26 | 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 SPARC Plant Operations
Commonwealth Fusion Systems is looking for a manager of the SPARC Plant Operations team who will have the mandate to ensure ongoing operations of the SPARC plant. This includes ensuring that trained staff is available for daily operations as well as for handling outages, conducting preventive maintenance, ensuring all consumables required to run the plant are stocked and available, and carrying out continuous improvement (Kaizen) projects.
What you'll do
- Recruit, hire, and onboard a high-performing team of plant operators, technicians, and support staff
- Develop and implement comprehensive training programs, including initial qualification, continuing training, and specialized skill development
- Develop and manage shift schedules, on-call rotations, and vacation planning to ensure 24/7 operational coverage and readiness
- Foster a strong, positive, and safety-first culture within the operations team
- Oversee all daily pre-operational checks and plant startup/shutdown procedures
- Manage all operational consumables (e.g., gases, cryogens, chemicals, diesel fuel, etc.)
- Develop and maintain plant operations manuals, procedures, and emergency response protocols
- Develop and execute a comprehensive plant maintenance strategy, incorporating preventive, predictive, and corrective maintenance
- Plan and manage the schedule for all maintenance windows, minimizing downtime and maximizing plant availability
- Oversee the execution of all maintenance activities, ensuring work is performed safely, to a high standard, and documented correctly
- Track key reliability metrics to understand overall performance
- Champion a culture of continuous improvement by actively identifying opportunities to enhance safety, reduce operational costs, and increase plant efficiency and reliability
- Lead cross-functional teams to execute continuous improvement projects using Root Cause Analysis and other similar methodologies
- Develop and monitor key performance indicators (KPIs) for plant operations and use data-driven insights to guide improvement initiatives
What we're looking for
- Bachelor's degree in an engineering field or equivalent experience
- 10+ years experience in the operations of large process facilities, such as power plants, scientific facilities, or process manufacturing facilities
- Experience operating large process systems, such as a power plant, chemicals, oil/gas, cryogenics, or others
- Experience managing salaried and hourly staff
- Strong people management skills of both small and large teams
- Leadership, team-building, and mentoring skills for both engineers and technicians
- Demonstration of the ability to build trust with front line employees and identify issues first hand
- Executes long-term departmental strategy using sound judgment to align tactical initiatives with overall organizational goals
- Ensures cross-functional alignment through proven, effective communication with diverse stakeholders and executive leadership
- Ability to adapt to a rapidly changing environment
- Strong attention to safety and the creation of a safety culture
Bonus points for
- Operational experience with first-of-a-kind facilities or other new technology
- Experience commissioning a new facility from scratch
Must-have requirements
- Perform activities such as typing or sitting for extended periods of time
- Willingness to occasionally travel or work required nights/weekends/on-call
- Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics
$250,000 - $350,000 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
November 17, 2025
Full Time
Company
December 26, 2025
Hybrid
USD 250k–350k yearly
Commonwealth Fusion Systems (CFS)
- Devens, Massachusetts, United States
10+ years
UTC-05:00
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