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Corporate Controller

Job in Harvard, Worcester County, Massachusetts, 01451, USA
Listing for: Fusion Energy Base
Full Time position
Listed on 2026-01-30
Job specializations:
  • Finance & Banking
    Financial Manager, Corporate Finance, Accounting & Finance, CFO
  • Management
    Financial Manager, CFO
Salary/Wage Range or Industry Benchmark: 200000 - 300000 USD Yearly USD 200000.00 300000.00 YEAR
Job Description & How to Apply Below
Location: Harvard

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 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 a Corporate Controller

We are actively seeking a dynamic finance leader to join our team as Corporate Controller. This role is responsible for managing and overseeing the financial operations of our Company and includes ensuring accurate financial reporting, designing and maintaining internal controls, and leading accounting operations.

The Company is on a successful and well‑funded journey from a pre‑revenue stage to an operating company with a broad range of commercial and development activities. We look to the Corporate Controller to bring a wide range of financial, process control and business insight.

The successful candidate will be a critical member of the Company’s leadership team, reporting to the Chief Financial Officer. A strong accounting background, including a CPA certification and experience as the corporate functional leader of a dynamic, growing company is critical. As the Company continues on its journey, the successful candidate will have experience implementing and complying with the Sarbanes‑Oxley (SOX) Act and is comfortable with the rigid reporting requirements of an SEC‑registrant.

What

you’ll do
  • Financial Management and Reporting
    :
    Consolidate and prepare accurate financial statements, ensuring compliance with applicable accounting standards, regulatory requirements, and internal policies; oversee month‑end, quarter‑end and year‑end closing processes. Compliance will include overseeing the annual financial statement audit, 401(k) audit, 409(a) valuations, and tax reporting.
  • Cost Accounting
    :
    Oversee the cost accounting team, developing cost accounting policies and procedures, and ensuring consistency in cost accounting practices. In addition, implementing cost control measures, and working with other departments to optimize resource allocation.
  • Internal management reporting
    :
    Support all internal management reporting and analysis, with other finance team members and act as a strategic finance advisor to the business.
  • Investor interactions and reporting
    :
    Support investor diligence, reporting needs, audit confirmations, tax forms (K1s) and more detailed reporting as needed.
  • Controls environment
    :
    Grow and strengthen the system of internal controls to prepare the Company to be compliant with the Sarbanes‑Oxley Act, and well‑prepared for a potential SEC‑registrant in the future.
  • Accounting operations
    :
    Manage and grow key related financial functions, including accounts payable, payroll and cash management, and build a commercial‑ready accounts receivable department. Experience with process improvements and finance transformation in this area is highly desirable.
  • Company leadership team
    :
    As a member of the company’s leadership team, provide insight on process improvement, business planning and financial optimization, including inventory management, general (risk‑related) insurance, ERP, compliance and other issues as they arise.
  • Audit Committee
    :
    In collaboration with the CFO, lead interactions and reporting to the Audit Committee.
  • Technical accounting advisor
    :
    Inform the business on technical accounting considerations as the Company expands and commercializes its technology.
  • Team management and development
    :
    Serve as a coach and mentor to employees and build an exceptional team, including managing the team in accomplishing work in each area of responsibility, setting objectives, overseeing work, providing feedback and working with…
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