Senior Finance Analyst, R&D

Fusion Energy Base; Harvard (MA); Hybrid; USD 110,000 - 185,000; Full time

Benefits offered by this job

Equity

Health insurance

401(k) with employer matching

Parental leave

Job summary

Commonwealth Fusion Systems is seeking a Senior Finance Analyst for R&D in Devens, MA. You will build budgets, forecast cash flows, and track actuals against plans while advising leadership on resource allocation and investment risk.

You will own project forecasts end-to-end and help optimize capital allocation across programs. The role requires 7+ years in FP&A or related fields, strong modeling skills, and the ability to translate technical details into financial data.

Qualifications

• Bachelor's degree in Finance, Accounting, Economics or related field.
• 7+ years of FP&A, corporate finance or program finance experience.
• Strong financial modeling skills; advanced Excel abilities.
• Ability to translate technical project data to financial insights.
• Detail-oriented in fast-moving environments.

Responsibilities

• Build annual budgets and forecasts for R&D cost centers.
• Forecast short-term cash flows and adjust amortization/downpayments.
• Monitor variances and flag risks to leadership.
• Advise on resource allocation and operating efficiencies.
• Own end-to-end program forecasts and reallocation insights.
• Track vendor commitments and master data records.

Skills

Budgeting

Forecasting

Financial modeling

Advanced Excel

Technical communication

Attention to detail

Education

Bachelor's degree in Finance/Accounting/Economics

Tools

Excel

Job description

Senior Finance Analyst, R&DDevens, MAFinance – FP&A /Full-time /HybridAbout 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 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 Senior Finance Analyst, R&D

What you’ll do:

• Build annual budgets and periodic forecasts for R&D cost centers, tracking actual spending against plans
• Forecast short term cash flows by adjusting amortization schedules and downpayments
• Track actuals against budget at the project and program level, investigate variances, and flag risks early
• Advise R&D leadership and budget owners on resource allocation, operating efficiencies, and investment risk to inform decision-making
• Own program and project forecasts end-to-end, providing insights that enable continuous capital re-allocation with the leadership team
• Investigate vendor commitments, payment status and ensure master data records for the team are appropriately maintained
• Identify and track risks and opportunities

What we’re looking for:

• Bachelor's degree in Finance, Accounting, Economics, or a related quantitative field
• 7 years of experience in FP&A, corporate finance, or program finance.
• Strong financial modeling skills and advanced Excel; comfort building models from ambiguous or evolving inputs
• Ability to communicate clearly with technical stakeholders and translate technical projects to financial data
• Detail-oriented, organized, and comfortable working with incomplete information in a fast-moving environment

Bonus Points For:

• 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

$110,000 - $185,000 a yearSalary 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