Senior Procurement Specialist

Summary 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