Commonwealth Fusion Systems · 2 months ago
Senior Cost Accountant
Devens, MA
Full-time
Hybrid
Senior Level
$110K/yr - $185K/yr
7+ years expCommonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. The Senior Cost Accountant will support key Accounting and Inventory controls across the organization while managing standard cost management, variance analysis, and inventory valuations.
Clean EnergyElectrical DistributionEnergyEnvironmental EngineeringRenewable Energy
Responsibilities
Develop, maintain, and update standard costs for raw materials, labor, and overhead
Monitor and analyze cost variances, including material, labor, and overhead variances
Review and adjust standard costs to reflect changes in manufacturing processes and market conditions
Ensure we accurately capture and apply costs to projects across the company
Analyze manufacturing costs and prepare detailed reports on cost performance
Identify trends and variances in production costs and recommend corrective actions
Provide detailed cost analysis and insights to support decision-making for pricing, budgeting, and forecasting
Provide cost-related data and analysis to support financial planning
Conduct variance analysis on actual vs. standard costs, explaining reasons for differences
Work with production and operations teams to understand and mitigate cost variances
Prepare regular reports on cost variance, highlighting areas of concern and opportunities for cost reduction
Prepare journal entries to allocate cost variances
Assist in monitoring and valuing inventory, ensuring accuracy in cost allocation
Conduct periodic inventory reconciliations and analyze inventory variances
Support physical inventory counts and investigate discrepancies between physical counts and system records
Collaborate with cross-functional teams to assess processes, their inputs, outputs, quality and other factors, in order identify and implement improvements to process quality, accuracy and cost
Support the development and implementation of process improvements related to cost accounting and reporting, as well as other accounting processes, including purchase order accuracy and completeness, credit memo application, parent-child effectiveness, etc
Qualification
Required
7+ years' experience as a cost accountant, cost analyst, or similar role, with a focus on data analysis and knowledge of cost accounting principles and practices
Experience with inventory in a manufacturing environment
Ability to keep organized and demonstrate flexibility in a fast-paced environment
Excellent analytical skills and strong attention to detail
Strong Excel Skills
Perform extended activities such as stooping, climbing, typing, standing, sitting, etc
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
Preferred
Bachelor's degree in accounting, finance or business administration preferred
2+ years audit experience with Big 4 or similar
Benefits
Competitive compensation with equity
12.5 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
Company
Commonwealth Fusion Systems
Commonwealth Fusion Systems designs and develops commercial fusion energy systems to produce clean energy.
501-1000 employees
Funding
Current Stage
Late StageTotal Funding
$2.88BKey Investors
GoogleUS Department of EnergyTiger Global Management
2025-08-27Series B· $863M
2025-06-30Corporate Round
2024-06-06Grant· $15M
Leadership Team
Robert Mumgaard
Chief Executive Officer and Co-Founder
Martin Greenwald
Cofounder
Recent News
Crowdfund Insider
2026-01-22
2026-01-13
Company data provided by crunchbase