Sr Buyer
Dexcom
- Location
- Athenry, Ireland
- Work model
- On-Site
- Level
- Senior
- Posted
- Aug 14, 2026
About this role
The Company Dexcom Corporation (NASDAQ DXCM) is a pioneer and global leader in continuous glucose monitoring (CGM). Dexcom began as a small company with a big dream: To forever change how diabetes is managed. To unlock information and insights that drive better health outcomes. Here we are 25 years later, having pioneered an industry. And we're just getting started. We are broadening our vision beyond diabetes to empower people to take control of health. That means personalized, actionable insights aimed at solving important health challenges. To continue what we've started: Improving human health. We are driven by thousands of ambitious, passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening, serving with integrity, thinking big, and being dependable. We've already changed millions of lives and we're ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. We'll get there by constantly reinventing unique biosensing-technology experiences. Though we've come a long way from our small company days, our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us. Meet the team: Our Supply Chain team plays a critical role in supporting Dexcom’s manufacturing operations in Athenry. The Purchasing team works closely with Planning, Manufacturing, Quality, Engineering and Global Procurement to ensure a reliable supply of materials that enables uninterrupted production and supports our continued growth. We are a collaborative, fast-paced team focused on supplier performance, operational excellence and delivering results for our customers. Where you come in: As a Senior Buyer, you will be responsible for managing the procurement and supply of direct and indirect materials supporting Dexcom's first European manufacturing facility. You will work cross-functionally with Planning, Manufacturing, Quality, Engineering and Global Procurement to ensure material availability, optimise inventory levels, improve supplier performance and support the successful scaling of manufacturing operations. This position plays a key role in maintaining continuity of supply while driving operational excellence across the supply chain. Based on responsibilities listed in the Senior Buyer specification. Essential Duties and Responsibilities: Generate, adjust and expedite purchase orders based on MRP requirements and inventory strategies. Develop and communicate supplier forecasts to support capacity planning and material availability. Manage procurement activities for direct and indirect materials within assigned supplier portfolios. Partner with Manufacturing, Planning, Quality and Engineering teams to ensure uninterrupted material supply. Establish and maintain inventory strategies that support manufacturing requirements while achieving inventory targets. Monitor and manage inventory levels to support business objectives and minimise excess and obsolete inventory. Review supplier delivery performance and drive corrective actions to improve service levels. Support Supplier Relationship Management initiatives and participate in supplier business reviews. Collaborate with suppliers, Supplier Quality and Quality teams to resolve supply and quality issues. Manage supplier activities associated with Engineering Change Orders, product revisions and product lifecycle changes. Support the resolution of purchase price variances, accounts payable discrepancies and Material Review Board dispositions. Participate in cost reduction and local sourcing initiatives in partnership with Global Procurement. Provide feedback and support regarding BOM accuracy, item master data and configuration management processes. Ensure compliance with Dexcom quality systems, purchasing procedures, regulatory requirements and applicable FDA regulations. What makes you