Senior Procurement Specialist

Summary Timezone: West Coast U.S. preferred The Wikimedia Foundation is looking for a Senior Procurement Specialist to support procurement operations, strategic sourcing, vendor management, and contract drafting needs across our global organization. This role will serve as a key partner to departments throughout the Foundation, supporting source to pay activities (i.e.: procurement activities from vendor sourcing, new vendor onboarding contracting, purchase order management, resolving PO-related invoice holds, and ongoing vendor support). The Senior Procurement Specialist will have a broad scope, balancing day-to-day procurement operations with opportunities to support competitive sourcing, contract negotiations, vendor spend optimization, and improvements to procurement processes and systems. This role will help strengthen a responsive, scalable, and effective procurement function while delivering strong service and value to the organization. Core Responsibilities • Manage procurement activities throughout the procure-to-pay and source-to-pay lifecycle, including contract and statement of work review, vendor onboarding, purchase orders, and related procurement activities. • Partner with departments to understand and define purchasing needs,providingguidance throughout the procurement process. • Support and lead competitive sourcing activities, including development and execution of RFPs, RFQs, and RFIs and evaluation of vendor proposals. • Support and draft contracts, providing negotiation of contractual terms, pricing, payment terms, scopes of work, and other business terms in partnership with Legal and business stakeholders. • Identify opportunities to improve vendor pricing, commercial terms, and overall value through competitive sourcing, negotiation, and spend analysis. • Create and manage purchase requisitions/purchase orders and partner with business owners to monitor and resolve open purchase order commitments. • Manage procurement inquiries and provide timely, responsive support to internal stakeholders and vendors. • Monitor procurement workflows and service levels, proactively identifying and resolving bottlenecks and escalations. • Partner with Accounts Payable, business owners, and vendors to research and resolve purchase order related invoice holds. • Support vendor management initiatives, including supplier performance, vendor spend optimization, supplier diversity, and AI technology enhancement opportunities. • Maintain procurement data, documentation, catalogs, and other information needed to support efficient procurement operations and strong internal controls. • Support improvements to procurement processes, systems, workflows, documentation, and automation. • Collaborate across Finance & Administration, Legal, and other departments to support Month-end needs, Foundation-wide initiatives and evolving procurement needs. • Complete “ad-hoc” and adjacent procurement projects as assigned Basic Qualifications • Bachelor’s degree in Business, Finance, Supply Chain Management, or a related field, or equivalent relevant experience. • Minimum of 5+ years of progressive procurement, sourcing, and contract drafting experience (i.e.: SOWs - Statement of Works, MSAs - Main Service Agreements, etc.) . • Experience managing procurement activities across the procure-to-pay and/or source-to-pay lifecycle. • Experience supporting or leading competitive sourcing activities, including RFPs, RFQs, or vendor evaluations. • Experience negotiating vendor pricing and commercial terms. • Strong analytical, problem-solving, communication, and cross-functional collaboration skills. • Experience working with procurement business platforms, ERPsystems; experience with Coupa, and Sage Intacct a plus (similar platfor