Sr. Cost Accountant

We are looking for an experienced Sr. Cost Accountant to support financial operations and cost reporting for a Long-term Contract position in Burlington, Massachusetts area. This role will focus on cost analysis, reconciliations, billing support, and financial reporting while helping maintain accurate records and compliance with applicable accounting and government contracting standards. The ideal candidate brings strong expertise in cost accounting, sharp analytical ability, and confidence working with complex financial data in a collaborative environment.Responsibilities:• Prepare and review cost reports, budgets, and financial projections that help leaders monitor project performance and spending trends.• Oversee general ledger activities, reconcile key accounts, and ensure balance sheet items are accurately supported each reporting period.• Analyze financial transactions across payables, receivables, payroll, and operating expenses to improve accuracy and visibility into costs.• Generate customer invoices on a monthly basis and support timely billing by validating underlying financial data.• Create and post manual journal entries in the accounting system while maintaining clear documentation and audit support.• Monitor outstanding purchase orders to help track commitments, accruals, and spending activity.• Contribute to audit preparation by organizing records, responding to documentation requests, and explaining accounting treatment as needed.• Partner with the accounts payable function to help resolve processing issues and maintain efficient financial operations.