Processes and verifies high-volume non-purchase-order invoices in Concur or by spreadsheet upload. Reviews coding, authorization, remittance details, taxes, and compliance; selects approvers; resolves payment issues; creates vendor requests; researches PeopleSoft records; reconciles vendor statements; and responds to inquiries. Maintains accuracy, meets deadlines, follows accounting policies, and supports OptumCare accounts payable operations in a primarily remote environment.