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Corporate Controller

Brief: Commonwealth Fusion Systems (CFS), an MIT spinout pursuing the fastest, surest way to clean, limitless fusion energy, is looking for a Corporate Controller to help take the accounting function to the next level. This role will report up to the Chief Operating Officer. 

CFS’ mission is to enable world-wide clean energy for everyone, creating a sustainable environment for current and future generations. We’ve created a credible path to an operating fusion power plant in 15 years which leverages our novel collaboration with MIT and funding from strategic and financial investors who share our vision. This begins by developing a new class of high-field superconducting magnets that will enable the SPARC tokamak to demonstrate net energy from fusion for the first time. To execute this plan, we are now looking to add talented people to the team who:

  • are mission-driven and treat people well;
  • improve our team by adding diverse perspectives & new ways of solving problems;
  • have demonstrated exceptional results through a range of different pursuits; and
  • have skillsets and experience that relate to the role;

The Corporate Controller will responsible for:

  • Building and improving the company’s accounting systems
  • Financial close process and all things relating to the general ledger
  • Annual Audit, Taxes & 409a valuation
  • Accounting for government contracts (setting up and running approved accounting systems) Ensuring that CFS meets all of its reporting requirements to its investors
  • Managing banking relationships & ensuring capital preservation
  • Day-to-day accounting functions, such as accounts payable & credit cards Improving various internal controls and processes at the right time
  • Experience with ERP implementations is a plus

Work closely with:

·       The Head of FP&A

·       The Head of Business Operations/HR

·       The Head of Supply Chain

Job Requirements:

  • A bachelor’s degree in Accounting, CPA and/or MBA is a plus
  • 10+ years experience building and running accounting systems in a fast-paced and growing startup
  • Has run audits
  • Experience working for an LLC is a plus
  • Experience in manufacturing is a plus
  • Experience with Quickbooks online,, Gusto are a plus

Ideal Qualities:

•       Quick learner and problem solver

•       Team player and strong functional leader with a positive attitude

•       Systems orientation and comfort – the ability to learn how to interface with (and query) multiple systems

•       Attention to detail and follow through

•       The ability to do more than one thing at a time while maintaining an attention to detail

•       Eagerness to wear many hats in a fast-paced startup environment

•       The integrity and self-confidence to ask tough questions in a non-negative way

If you are interested, please submit the following documents to with “Controller” in the subject line:

1)  Resume

2) Cover Letter that describes why you are a great fit for this position and for CFS