Senior Manager, Accounting Operations
Commonwealth Fusion SystemsDevens, MA
Full Time
Posted May 14, 2026
$150k - $225k
~116 people viewed this recently
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Job Description
About Commonwealth Fusion Systems:
Key Responsibilities
- Lead the Accounting Operations function for a rapidly growing organization, including AP, payroll, expense reporting, and state filing compliance
- Serve as the first-line manager-level owner for operational accounting issue triage, escalation handling, root-cause follow-up, and process discipline
- Manage and develop the AP, payroll, expense reporting, and state filing compliance team; build role clarity, cross-training, backup coverage, and accountability
- Oversee accounts payable operations, including invoice processing, vendor bill flow, payment preparation, vendor-related issue resolution, and adherence to procure-to-pay processes
- Partner with Supply Chain, FP&A, and Buyers on PO creation, PO management, receiving discipline, buyer/category accuracy, invoice flow, and process improvement
- Oversee payroll operations in partnership with People Ops, including timelines, controls, handoffs, issue resolution, and backup coverage
- Own expense reporting and corporate card process compliance, including policy adherence, approval discipline, supporting documentation, and issue resolution
- Own state filing compliance execution, including filing calendars, registrations, external provider coordination, documentation, and timely completion of required deliverables
- Partner with ERP/IT and business process owners to identify workflow gaps, improve Odoo-enabled processes, support automation, and strengthen transaction traceability
- Document key operating procedures, create scalable SOPs and training materials, and ensure process changes are communicated and adopted across impacted functions
- Monitor operational accounting metrics and recurring issues to identify trends, reduce rework, and improve processing accuracy and cycle time
- Support monthly close activities related to AP, payroll, expenses, accruals, payments, and compliance areas, ensuring activities are completed timely and accurately
- Support internal controls, audit readiness, and compliance activities related to AP, payroll, expense reporting, and state filings
Requirements
- Perform extended activities such as typing, standing, sitting, walking, etc.
- Occasional nights/weekends/on-call may be required during payroll processing, month-end close, audit, compliance deadlines, system issues, or urgent operational escalations.
- 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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