Manage payroll processing, tax filings, deductions, benefits administration, reconciliations, payroll reporting, and employee inquiries. Maintain payroll records, timesheets, PTO liabilities, benefit payments, and compliance documentation. Process contract accounts receivable, apply payments, reconcile invoices, investigate discrepancies, and support budgeting, forecasting, audits, and government reporting. Provide timesheet training and assist with inventory and administrative finance tasks while maintaining confidentiality and accuracy.