Accounts Payable Specialist

Commonwealth Fusion Systems
Devens, MA

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 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 over $2 billion in capital – more than any other fusion energy company in the U.S.

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 an Accounts Payable Specialist

As an Accounts Payable Specialist, you will be responsible for ensuring the company's bills are paid timely and accurately to keep our world-changing project on track! In this role, you will coordinate the processing and payment of our supplier invoices, help in identifying accruals for contractors, and assist with our monthly accounting close process. You will coordinate directly with stakeholders within the business as well as with our external suppliers to ensure a smooth payment process. We're a quick-moving organization in our pursuit of clean, fusion energy, and we're looking for folks that can keep organized while remaining flexible in a rapidly evolving work environment. Strong attention to detail is critical for this role to ensure our records are accurate. This role reports to the Accounts Payable Supervisor.

What you'll do:

  • Execute accounts payable function in a high-volume and dynamic working environment (entering, processing, and paying invoices)
  • Maintain detailed electronic records to support accounts payable transactions for compliance and annual audit
  • Coordinate in a prompt and professional manner with procurement, receiving, budget owners, and external suppliers to facilitate the prompt resolution of outstanding transactions, invoice holds, and payment issues
  • Monitor accounts payable workflow ensuring appropriate approval authority, general ledger coding, and compliance with company internal controls, policies, and procedures
  • Strong organizational, analytical and time management skills
  • Prepare and distribute 1099s to appropriate vendors and file with IRS
  • Reconcile vendor statements and resolve any outstanding issues
  • Perform additional assignments per supervisor’s direction
  • Review and Process Non-Po Invoices, verify the GL account, and send them for approval

What we're looking for:

  • Associate's degree in Business Administration or similar field preferred
  • 3+ years Accounts Payable experience is required in a paperless workflow environment
  • Experience working in a purchase order-driven accounts payable workflow within an ERP system
  • Must be an effective team player and problem solver; assist others, and have good oral and written communication skills
  • Ability to work and manage time independently, as part of a collaborative team
  • Ability to work independently and as part of a team.

Must-have requirements:

  • Perform activities such as typing, standing, or sitting for extended periods of time
  • Willingness to travel or work required nights/weekends/on-call occasionally
  • 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

$30 - $43 an hour

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

#LI-Hybrid

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.

Posted 2025-11-19

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