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Senior Financial Analyst

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 Financial Analyst


The FP&A function acts as the operating financial arm of the company. We ensure that each team has timely and accurate information on budgets, resourcing and actual results. We help leaders make informed decisions and operate with cost efficiency and continuous improvement in mind. We help set the long-term financial strategy for the company, including developing CFS’s understanding of our products’ unit economics.


This role will be an integral part of the FP&A team, supporting various functions and collaborating closely with internal stakeholders. In addition to the primary responsibilities outlined below, this role will also work with teams across the organization to ensure accurate budget mapping, data integrity, and process improvement. A successful candidate will engage with budget leaders to monitor purchase orders, analyze budget variances, and contribute to the financial reporting process.


What you'll do:
  • Financial forecasting & reporting:
  • Track and report on factory financial performance to business managers

  • Data cleanliness: 
  • Develop and maintain processes to improve data accuracy and help our factory transition from R&D into a manufacturing environment

  • Cost Modeling: 
  • Advance the factory cost model by applying operational insights to deliver detailed analyses of COGS and the full P&L cost model

  • ERP Requirements Development:
  • Develop finance requirements to improve ERP tracking of factory costs

  • Ad-Hoc Reporting


What we’re looking for:
  • Bachelor’s degree in Business, Finance, Accounting, Economics, or STEM fields
  • 7+ years of experience working at a fast growing technology company or other dynamic business with development cycles and change akin to that of a growth company
  • Strong understanding of budget development, forecasting, and reporting of financial analysis to support operational decision-making
  • Strong understanding of company long-term financial planning, including revenue, cost, investment, cashflow analysis and valuation
  • Strong understanding of GAAP and 3 statement financials
  • Strong Excel and SQL experience
  • Understanding of Enterprise Applications (e.g., ERP, MES, etc) and basic underlying data architecture
  • High energy and engagement, with flexibility to complete work during periodic very busy times
  • Excellent verbal and written communication & data presentation skills, including the ability to effectively communicate with both business and technical teams
  • Collaborative work style


Bonus points for:
  • Eagerness to understand business problem sets unique to manufacturing and R&D environments
  • Technical mindset and strong organizational skills
  • Familiarity with Python or similar programming languages
  • Track record of collaborating with other teams on building and sharing analytic tools
  • Ability to perform activities such as typing and 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
  • Desire to learn on the job and take on complex problems


Must-have requirements:
  • Ability to perform activities such as typing and sitting for extended periods of time
  • Willingness to do occasional travel
  • 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 year
Salary range for this full-time position + equity + benefitsThe 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

#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.


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.

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Average salary estimate

$147500 / YEARLY (est.)
min
max
$110000K
$185000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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Full-time, onsite
DATE POSTED
January 17, 2026
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