Resolve a variety of purchasing issues/problems for both internal and external customers (i.e., unblock invoices to secure payment for vendors, provide expediting services as necessary, disputes for "out of scope" changes, contractual performance issues, etc.). Review Customers' IT requisitions and process Purchase Orders in SAP to procure software, hardware, cloud services, and IT professional services at the most favorable price consistent with requirements for quantity, quality, safety, and delivery to support the assigned Business Unit(s).