The Senior Procurement Specialist assists with end-to-end procurement for assigned goods and services, balancing sourcing, commercial negotiation, supplier due diligence, and supplier performance activities with hands-on purchasing operations, including purchase orders, requisitions, receiving and invoice exceptions, supplier onboarding, and procure-to-pay issue resolution. Invoice, Receipt, and Payment Exception Resolution: Partner with Accounts Payable, Accounting, suppliers, and internal stakeholders to investigate and resolve purchase order, receipt, pricing, invoice, and payment exceptions tied to procurement transactions in a timely manner.