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Accounting Manager

Factorial Energy.com

Office

The Greater Boston Area

Full Time

Who We Are

Factorial Energy is a pioneering U.S.-based solid-state battery company driving the future of energy storage and electrification. Partnered with global leaders including Mercedes-Benz, Stellantis, Hyundai, and Kia, Factorial is at the forefront of developing next-generation e-mobility platforms for commercial, defense, and consumer applications—spanning electric vehicles (EVs), drones, eVTOL aircraft, power tools, marine systems, robotics, and more. The company has achieved multiple industry firsts, including being the first to power a demonstration vehicle with a global OEM (Mercedes- Benz) which achieved over 1,200 km (749 mi) of range, and the first to earn UN 38.3 certification for automotive-sized lithium-metal solid-state cells, the first to deliver B-samples of automotive-sized solid-state batteries to major OEMs. 

The Opportunity:

Factorial Energy is seeking an Accounting Manager to join our team in our Billerica location. This person will play a critical role in overseeing the daily operations of the accounting function, ensuring accurate financial reporting and compliance with US GAAP.  This position is responsible for managing journal entry preparation / review, account reconciliations, timely payment execution, and coordinating audits. The ideal candidate is detail-oriented, analytical, and possesses strong communication skills and will participate in process improvements and system improvements.  The role is part of a fast-paced team that focuses on providing accurate financial information for internal and external use in a timely manner.

In This Role, You Will:

  • Manage and execute the daily operations of the accounting function, including journal entries, accounts payable/receivable, payroll review, managing month end/quarter end closing process, general ledger, and account reconciliations.
  • Prepare and review monthly, quarterly, and annual financial statements in accordance with GAAP.
  • Coordinate the annual audit process, liaising with external auditors and internal teams.
  • Help improve accounting policies, procedures, and controls to enhance efficiency and accuracy.
  • Supervise, mentor, and develop accounting staff, fostering a culture of continuous improvement.
  • Assist with tax filings and liaise with external tax advisors as needed.
  • Participate in process improvement, system upgrades, and automation initiatives.

We are looking for people who:

  • Bachelor’s degree in Accounting, Finance, or related field; CPA preferred
  • 5+ years of progressive accounting experience
  • Prior experience in public accounting is a plus
  • In-depth knowledge of U.S. GAAP
  • Strong verbal and written communication skills
  • Strong analytic skills
  • Detail oriented
  • Experience with ERP systems; NetSuite is a plus

Some of our competitive benefits include:

  • Medical, dental, and vision insurance
  • Generous paid time off 
  • 401(k) plan that includes employer matching funds
  • Education assistance plan
  • Life insurance and disability coverage

Work Location:

805 Middlesex Turnpike, Billerica, MA 01821

Factorial Energy is an equal opportunity employer that values diversity at all levels. All qualified applicants, regardless of personal characteristics, are encouraged to apply.

To request a reasonable accommodation to complete an application, job interview, and/or to otherwise participate in the hiring process, please contact (recruitment@factorialenergy.com)

Accounting Manager

Office

The Greater Boston Area

Full Time

October 17, 2025

FactorialEnergy