Associate Buyer - Contract
Commonwealth Fusion Systems
Company Overview
Commonwealth Fusion Systems (CFS)
HeadquartersCambridge, MA, United States
Founded2018
SizeApproximately 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 Feb 23, 2026 | 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, suppliers, and many others to build the energy industry of the future.
We're in the best position to make it happen. Since 2018, we've raised $4 billion of capital, making us the largest and leading 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 a Contract Associate Buyer
As a member of the Supply Chain Team, you will support the business for procurement needs with contract data management, reporting, and integrity - including light negotiations, PO issuance, invoice resolution, order management and data analytics.
What you'll do
- Create error-free purchase orders up to authorized limits for raw materials, parts, subassemblies, finished goods, equipment, tooling, supplies, and/or services from suppliers in support of internal customer requirements
- Review and negotiate standard contract terms, coordinate with legal counsel where necessary to finalize contracts and statements of work
- Identify the best value supplier (cost, schedule, quality) by issuing requests for quote and analyzing responses from suppliers
- Set up terms and accounts with new suppliers and complete data entry necessary to onboard the supplier into CFS systems
- Review and manage open orders with suppliers to ensure product arrives on-time and on-quality
- Resolve invoice issues and ensure that vendors are paid on time
- Adhere to all supply chain policies, procedures, guidelines and instructions including those regarding the procurement of materials, intellectual property, and export compliance
- Provide constant, clear, and timely updates to internal customers
What we're looking for
- High School Diploma
- 0-2 years in Procurement or related role
- Experience with Google Workspace
- Exceptional communications skills
- Strong collaboration and relationship building skills
- Ability to prioritize and execute tasks
- Works with Integrity
- Strong Customer Service skills
- Remarkable problem-solving skills
- Works well under pressure
- Possesses excellent judgment
Bonus Points For
- Hands on experience with an ERP system
- Experience in manufacturing environment
- Technical Procurement Experience
- Experience with Odoo ERP
- Creative negotiating skills
Must-have requirements
- Extended periods of computer work either standing or sitting
- Extended periods of phone or teleconference work
- Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics
$30 - $40 an hour
This is a contract position.
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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Apply now
Job expired?Please let Commonwealth Fusion Systems know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
September 2, 2026
September 2, 2026
Contract position
On-site
Company
US$30–40 hourly
- Milpitas, United States
0-2 years in Procurement or related role
UTC-07:00