Site Administration and Financial Support: Complete, audit, and submit expense reports for field employees, including travel, relocations, training, reimbursements, and other authorized site expenses; coordinate with Shared Services and Accounts Payable to facilitate payment of expense reports and non-purchase-order payment requests. Timekeeping, Compliance, and Records: Assist site employees with AutoTime entries, verify labor hours and correct charge codes, manage timesheet-signing actions, coordinate resolution of weekly Unsigned Autotime items, and submit weekly labor-adjustment spreadsheets to Payroll.