Working closely with Project Management, Engineering, Manufacturing, Quality, and Finance, the Buyer converts project requirements and bills of material into executable purchasing plans, places and manages purchase orders, expedites critical materials, resolves supplier issues, and maintains accurate purchasing and delivery information within the ERP system. This position manages purchasing activities across multiple concurrent customer projects, ensuring materials, components, fabricated items, and subcontracted services are purchased at the right cost and delivered in accordance with project schedules and technical requirements.