Processes purchase requisitions, creating encumbrance releases against County contracts for the purpose of facilitating the purchasing process for CPM operations; Processes change orders for CPM operations; Maintains purchase orders throughout their lifecycle, including monitoring balances, funding, dates, status, supporting documentation, encumbrances, and required revisions or cancellations; Performs fiscal year-end purchase order review and closeout duties, including reconciling outstanding obligations, coordinating final invoices and change orders, identifying balances for release or carryforward, and ensuring records are accurate and complete; Processes day-to-day functions and operations of the Board of County Commissioners Purchasing Card and Credit Card Acceptance Programs; Conducts procurement training sessions for County staff related to Oracle EBS functionality specific to procure to pay functions; Recommends and maintains procure to pay policy and procedure updates; Maintains documents, files, and records for the purpose of providing up to date reference and audit trail for compliance; Provides responsive, solution-oriented assistance to staff, vendors, and teammates by answering questions, resolving issues, and facilitating the purchasing process; Contacts vendors and employees for the purpose of verifying information and/or responding to inquiries and to expedite orders; Responsible for vendor management activities, including onboarding, maintaining vendor records, monitoring performance and compliance, resolving invoice or contractual issues, and serving as the primary point of contact for vendor communication; Develops and maintains reports as needed to support operational decision-making, transparency, and service delivery; Identifies opportunities to improve procure-to-pay workflows, documentation, controls, communication, and customer experience; recommends and assists with implementing practical improvements; Independently prioritizes and advances assigned work, takes ownership of questions and issues, and coordinates with the appropriate parties to achieve timely resolution; Represents the Purchasing Department on committees pertaining to procure to pay processes; Performs other related job duties as assigned. Four (4) years of experience in accounting techniques, purchasing, and/or procure to pay processes; or an Associate's Degree with a major coursework in finance, accounting, business administration, public administration, computer systems, or related field and two (2) years of experience as described above; or an equivalent combination of education, training, and/or experience.