Reporting to the Procurement Team Lead and working with Engineering, PM, Quality, and Expediting, the Senior Buyer manages global procurement with a focus on US suppliers. Purpose: manage procurement for strategic materials/services ensuring quality, cost, on-time delivery, and compliance. Responsibilities: full purchasing process ownership; contract/commercial negotiations; supplier identification/qualification; order execution and deadlines; supplier relationship management; cross-functional collaboration. Requirements: degree (Engineering/Economics/Supply Chain or related); 4+ years as Buyer/Senior Buyer (industrial/technical/mechanical/plant contexts); international supplier management; EPC tendering experience a plus. Remuneration: €55,000–€60,000 + variable + benefits. Some travel to Boston office required.