Manager, Financial Planning & Analysis (FP&A)

Commonwealth Fusion Systems

1050

Devens, MA, United States

Posted on: 2025-07-31

Category: renewables

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Commonwealth Fusion Systems (CFS) is on a mission to deliver clean fusion energy to the planet fast enough to matter for humanity’s biggest challenges.

It’s urgent. The gap between the energy we need and the energy we have is widening every day. Fusion is a critical part of the energy transition away from fossil fuels, a new chapter for the world’s energy supply.

We’re committing to delivering fusion power plants and a full-fledged fusion energy industry as we’ve delivered on other promises. Like the world’s strongest high-temperature superconducting magnet, the game-changing technology that’s making commercial fusion energy a reality.

We’ve raised over $2 billion in capital — more than any other fusion energy company — and attracted top talent to design, build, and deliver commercial fusion power plants. And we’re working with policymakers and suppliers to make fusion energy available globally.

As we push toward the fusion-energy future, we’ll keep setting and meeting milestones, sharing and validating our progress, and encouraging others to do the same.

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 a Manager, Financial Planning & Analysis (FP&A)

The Manager, FP&A role at CFS isn't just about spreadsheets; it's about being a true financial business partner. You'll be a critical part of a dynamic, fast-paced company, working directly with leaders to make strategic decisions that drive our mission forward. This role will have a heavy focus on our manufacturing and start-up environment, where you will help us build our financial processes from the ground up and gain a deep understanding of our unit economics.

This role will support various members of the Executive Leadership Team (“ELT”) This will include managing a subset of the FP&A team members who share this focus. A successful candidate will directly interact with, and influence, leaders to set plans, assess actual performance results, make informed forward-looking forecasts and aid in decision-making.

#LI-Onsite

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.

What you'll do:

Lead cost budgeting, forecasting, tracking, and reporting throughout the development lifecycle of SPARC, with a focus on Bill of Materials (BOM) cost and Non-Recurring Engineering (NRE)

Design and deliver new financial planning processes and workflows that are optimized for our unique business requirements, particularly within a manufacturing and R&D context

Act as a trusted business partner to leadership, providing financial insights and strategic recommendations to ensure business units operate in a capital-efficient manner

Manage and mentor a team of FP&A professionals, fostering a culture of collaboration, continuous improvement, and high performance

Support critical capital allocation decisions by providing rigorous financial analysis and modeling for new projects and strategic initiatives

Drive process improvements to enhance the accuracy and efficiency of financial reporting and analysis

What we’re looking for:

Bachelor’s degree in Business, Finance, Accounting, Economics, or a STEM field

5+ years experience managing teams of finance professionals

7+ years of experience working at a fast-growing technology, manufacturing, or start-up company

Proven experience with financial modeling, budget development, results reporting, and forecasting to support operational decision-making, particularly in a manufacturing environment

Strong business partnering skills, with a track record of building and maintaining effective relationships with senior leaders across different functions

Excellent verbal and written communication skills, with the ability to effectively communicate complex financial information to both business and technical teams

High energy and engagement, with the flexibility to thrive in a dynamic, fast-paced environment

Bonus Points For:

A deep appreciation for the unique business challenges inherent in manufacturing and R&D environments

Experience collaborating with other teams to build and share analytic tools, including the use of version control systems like Git

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

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