Support month-end project accounting and project closeout, including researching outstanding or incorrectly coded costs, open purchase orders, received-not-billed items, customer and vendor deposits/prepayments, unbilled amounts, and other items that may prevent timely financial closeout. Administer project change orders from initiation through approval and billing, including tracking supporting costs, maintaining the change-order register, obtaining required documentation and approvals, and updating contract values, budgets, purchase orders, and billing schedules.