Senior Procurement Specialist

Wikimedia Foundation • San Francisco, CA, US • published 2026-09-20 04:55:23.814733

Description

**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 a...

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