Senior Manager, Systèmes Financiers et Gouvernance des Données (H/F)

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 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 Senior Manager, Finance Systems & Data Governance

We are seeking a highly analytical and hands-on Finance Systems & Data Governance Lead to build and scale our finance systems infrastructure in support of rapid growth. Reporting to the VP FP&A, this individual will serve as the lead for financial systems, master data governance, planning applications, and process optimization initiatives.

This role will play a critical role in evaluating, implementing, and optimizing next-generation ERP and financial planning platforms while establishing scalable governance, controls, and reporting capabilities across the organization. The role will set standards and best practices and represent finance systems in enterprise planning and transformation decisions.

The ideal candidate combines strong finance acumen with systems expertise and thrives in high-growth environments undergoing transformation.

What you'll do

• Finance Systems Ownership
  • Serve as primary finance administrator and subject matter expert for financial planning, reporting, and ERP systems
  • In collaboration with IT, manage day-to-day support, user administration, security access, and maintenance of finance applications
  • Oversee integrations and data flows between ERP, planning, HRIS, CRM, and reporting platforms
  • Partner with Accounting, FP&A, IT, and business stakeholders to identify system enhancement opportunities and drive adoption
• Master Data Governance & Data Quality
  • Establish and lead enterprise-wide finance master data governance processes, including ownership, change controls, approval workflows, and audit trails
  • Drive remediation and standardization of key master data domains including chart of accounts, cost centers, departments, entities, products, projects, customers, and vendors
  • Develop policies, controls, and monitoring processes to ensure ongoing data integrity across systems
  • Act as steward of financial data quality, ensuring consistency across planning, reporting, and transactional systems
• ERP & Planning System Transformation
  • Partner with finance and IT leadership to evaluate, select, and implement scalable ERP and planning solutions
  • Lead finance workstreams for ERP, EPM, and reporting system implementations, upgrades, and integrations
  • Document future-state business processes and translate finance requirements into system configurations
  • Coordinate internal stakeholders and external implementation partners to ensure successful project delivery
  • Drive testing, user acceptance, training, and change management activities
• Financial Planning & Reporting Enablement
  • Support budgeting, forecasting, long-range planning, and management reporting processes through system administration and continuous improvement
  • Maintain and enhance financial reporting capabilities, dashboards, and analytical tools
  • Manage planning system data loads, reconciliations, and validation processes
  • Ensure accuracy, consistency, and timeliness of planning and reporting data
• Process Improvement
  • Identify opportunities to streamline finance processes and reduce manual work through automation and improved system design
  • Develop scalable controls, documentation, and governance processes
  • Create and maintain process documentation, training materials, and system operating procedures
  • Support finance transformation initiatives that improve efficiency, transparency, and decision-making

What we're looking for

• 7+ years of experience in Finance Systems, FP&A, Financial Operations, Business Systems, or Finance Transformation roles
• 5+ years of experience leading a group that includes individual contributors and sometimes first-line managers
• Experience administering ERP systems (SAP, Oracle, or similar)
• Experience administering and implementing planning tools (Anaplan, Pigment, Oracle Cloud EPM or similar)
• Demonstrated ability to lead cross-functional initiatives through influence, driving alignment and adoption
• Experience establishing master data governance frameworks and improving data quality
• Strong understanding of FP&A, budgeting, forecasting, management reporting, and financial close processes
• Proven project management experience leading cross-functional systems initiatives

Bonus Points For

• Experience supporting a high-growth company
• ERP implementation experience from selection through deployment
• Experience with SOX readiness

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

$150,000 - $225,000 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.