SECTION I · THE BRIEF
Brief #45367Updated 26 AUG 2026MILPITAS, CALeverKHOSLA VENTURES
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Associate Buyer - Contract

Commonwealth Fusion Systems (CFS) is an American company founded in 2018 aiming to build a compact nuclear fusion power plant based on the ARC tokamak reactor concept. The company is based in Cambridge, Massachusetts,…

Location
Milpitas, CA
Company size
500–2,000
Posted
Yesterday
Via
Lever
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Associate Buyer - Contract · Commonwealth Fusion Systems

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Job title
Associate Buyer - Contract
Job location
Milpitas, CA
Job description
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 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 supports 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
  • View job listing ↗
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    Commonwealth Fusion Systems headquarters

    Cambridge, MA

    Company size

    5002,000 employees

    Founded

    2018

    Total raised

    $3,877,000,000

    View company profile ↗

    Funding rounds

    • Series Unknown$1B
    • Series B$863M
    • Grant$15M
    • Series B$1.8B
    • Series A$84M
    • Series A$115M