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Director, Corporate FP&A

Join Commonwealth Fusion Systems in Devens, Massachusetts as Director, Corporate FP&A. Lead enterprise financial planning, guide executive decisions, and support capital allocation. Enjoy competitive pay, equity, flexible vacation, and comprehensive benefits in a mission-driven fusion energy company.

Hybrid Full time UTC-05:00 Updated today
Salary
US$170,000–250,000 /year

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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 Director, Corporate FP&A

We are seeking a strategic and analytical Director, Corporate FP&A, to drive our enterprise-level financial planning processes. This role sits at the center of how the company sets direction, allocates capital, and measures performance-translating complex financial and operational data into the insights that guide Executive Leadership and Board decisions. The Director will partner across Finance, including Accounting and Investor Relations, to ensure a consistent, credible financial narrative and help mature the infrastructure to enable scale.

What you'll do

  • Oversee corporate planning cycles and direct the financial planning calendar, cadence and interconnectivity including the budgets, forecasts and long-range plans
  • Establish standards, timelines, and governance that keep the planning process disciplined and on schedule
  • Evaluate effectiveness of the planning and reporting processes with a view to continuous improvement
  • Maintain the enterprise financial risk register, tracking key risks, mitigation actions, and surfacing material exposures
  • Lead the cadence and guide preparation of Executive Committee and Board reporting packages, ensuring materials are accurate and insight-driven. Distill complex analysis into clear narratives and recommendations for senior stakeholders
  • Own enterprise cash forecasting, providing visibility into liquidity, working capital, and cash flow to support capital deployment and funding decisions
  • Support enterprise capital allocation evaluations, target setting, financial modeling, and scenario analysis
  • Oversee a shared pool of financial analysts supporting the broader finance team, ensuring consistent quality and effective coverage across the organization
  • Serve as a financial advisor to the G&A and R&D leadership teams to drive capital allocation decisions or development of business cases as needed
  • Partner with Accounting and Investor Relations on financial results narratives, ensuring alignment across stakeholder needs
  • Collaborate with the Finance Systems lead, IT, and other cross-functional teams on maintenance of financial planning tools and reporting integrations with other systems. Support Global Finance transformation, including AI adoption and process improvements, to enhance the speed, quality, and scalability of the FP&A function

What we're looking for

  • Bachelor's degree in Finance, Accounting, Economics, or a related field; MBA, CPA, or CFA preferred
  • 15+ years of progressive finance experience, with significant time in corporate FP&A, strategic finance, or a comparable function
  • Demonstrated experience and executive-level communication and storytelling in preparing materials for Company leadership and Boards
  • Advanced financial modeling and scenario analysis expertise; deep command of enterprise planning processes

Bonus Points For

  • Familiarity with modern FP&A tooling and interest in applying AI and automation to finance workflows
  • Experience supporting a high-growth company

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

$170,000 - $250,000 a year

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
  • 13 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

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.

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, "Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

Pay & benefits

US$170,000–250,000 /yr
Health insurance Dental insurance Vision insurance Retirement plan Equity Paid time off Parental leave

About this role

Posted
16 Sep 2026
Updated
16 Sep 2026
Job type
Full time
Workplace
Hybrid
Sectors
Working hours
UTC-05:00
Experience
15+ years

About Commonwealth Fusion Systems

Company Overview

Name

Commonwealth Fusion Systems (CFS)

Headquarters

Cambridge, MA, United States

Founded

2018

Size

Approximately 430 employees (source: zoominfo.com). Revenue figures vary, with reports indicating $211.3 million or $31.7 million, though as a pre-revenue fusion developer focused on R&D, these may reflect funding or operations rather than sales.

What They Do

Commonwealth Fusion Systems (CFS) is a pioneering private fusion energy company that specializes in tokamak-based magnetic confinement fusion. Founded as a spinout from MIT's Plasma Science and Fusion Center, CFS focuses on utilizing high-temperature superconducting magnets to achieve commercial net energy production (source: cfs.energy). The company has made significant strides in its technology, particularly with the development of compact fusion machines that leverage decades of tokamak science. Their flagship projects, SPARC and ARC, aim to demonstrate net energy gain and commercial viability in the coming years (source: cfs.energy).

Projects & Track Record

CFS is currently engaged in several groundbreaking projects, most notably the construction of SPARC, which is set to be the world's first net-energy fusion machine. Located at their Fusion Energy Campus in Devens, Massachusetts, SPARC aims to demonstrate net energy gain by the late 2020s (source: cfs.energy). Additionally, CFS is planning the ARC project, a 400 MW-class grid-scale tokamak power plant designed for commercial deployment in the early 2030s. These projects are underpinned by significant technological advancements, including the successful testing of the central solenoid magnet module (CSMC) in November 2024, which confirmed the manufacturability of critical components for SPARC (source: zoominfo.com).

Recent Developments

In the past two years, CFS has made remarkable progress, including the opening of its Devens Fusion Energy Campus on February 10, 2023, which was attended by notable figures such as U.S. Secretary of Energy Jennifer Granholm (source: cfs.energy). The company has also secured substantial funding, raising $863 million in August 2024, building on a previous $1.8 billion round in May 2023, bringing total funding to over $2 billion (source: wbjournal.com). Furthermore, CFS announced its first commercial power plant site in Chesterfield County, Virginia, which will be independently financed and operated, with plans for grid connection in the early 2030s (source: zoominfo.com).

Working There

CFS offers a range of roles across various disciplines, including fusion science, engineering, manufacturing, and materials science. The majority of their workforce is based at the Devens campus, which has grown to over 430 employees (source: cfs.energy). The company culture emphasizes rapid execution and transparency, attracting top talent from the fusion and manufacturing sectors. Key executives include Co-Founder and CEO Bob Mumgaard, along with other leaders in operations and science, indicating a strong demand for expertise in tough tech and physics (source: nasdaqprivatemarket.com). While specific benefits are not detailed, the scale-up and investor backing suggest competitive packages for high-caliber roles in a mission-driven environment (source: cfs.energy). Job seekers are encouraged to monitor their careers page for openings related to SPARC and ARC advancements.

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Director, Corporate FP&A
Commonwealth Fusion Systems · US$170,000–250,000/yr