Reviews purchase requests to verify compliance with specifications, quantity, and accounting codes, assigns requisition and vendor numbers, obtains approval for purchase, enters data into computer, and prints purchase order. Monitors purchases to ensure a timely receipt of goods and services, determines the need for purchase, and completes forms to cancel orders when necessary. Contacts vendors and customers about the status of their orders and arranges for the return of products to vendors. Enters data on received items into computer, prints and proofreads reports, and forwards to appropriate personnel for payment. Maintains requisition and purchase order logs and files. Performs other duties as assigned.