Senior Purchasing Manager, Outside Contract Manufacturing (OCM)

At Thorne, we work to deliver high-quality, science-backed solutions to empower individuals to take a proactive approach to their well-being. Each day begins with a mission to help others discover and achieve their best health. We count on our team members to challenge and push the boundaries to make that happen. At Thorne, you’ll be joining a team of more than 750 passionate individuals committed to our cause of providing superior health solutions at every age and life stage.

The Senior Purchasing Manager, Outside Contract Manufacturing (OCM) leads the strategic sourcing and procurement of finished goods and materials produced by Thorne's Outside Contract Manufacturing partners. This role is responsible for developing sourcing strategies, negotiating commercial agreements, managing supplier performance, and ensuring the reliable supply of high-quality products that support Thorne's manufacturing and business objectives.

Working closely with Planning, Quality, Regulatory Affairs, Research & Development, Operations, Finance, and external manufacturing partners, the Senior Purchasing Manager develops and executes supplier strategies that optimize cost, quality, service, capacity, and supply continuity. This position oversees the end-to-end procurement process, manages key supplier relationships, and drives continuous improvement across the contract manufacturing network while ensuring compliance with current Good Manufacturing Practices (cGMP) and internal quality standards.

The ideal candidate is a strategic procurement leader with deep experience managing contract manufacturers, negotiating complex supplier agreements, and building long-term partnerships that support operational excellence and business growth.

Travel Requirements: Approximately 10–15%