Note :  This role is Responsible for sourcing standard catalog items and commonly available components.  We are seeking a Buyer for a manufacturing company in Littleton, MA. The Buyer plays a critical role on the Supply Chain team, responsible for procuring components, materials, and services essential to the design and manufacture of complex electromechanical systems. Responsibilities Source, quote, negotiate, and issue purchase orders for a diverse range of commodities, including custom machined parts, cable and wire harnesses, PCBs, subassemblies, and specialized manufacturing services. Ensure materials and services comply with all applicable regulatory and quality standards (e.g., FDA, ISO 13485). Develop and maintain strong supplier relationships; conduct performance reviews, vendor visits, and improvement initiatives. Identify, evaluate, and qualify new suppliers Collaborate with Engineering and Production to support prototype builds, manage part obsolescence, and implement engineering change orders (ECOs). Perform cost analysis, contribute to make/buy decisions, and support cost-reduction initiatives. Monitor and report supplier performance in quality, delivery, cost, and responsiveness metrics. Expedite critical materials to maintain production schedules and minimize downtime. Participate in root cause and corrective action activities for supplier-related issues. Maintain purchasing records, documentation, and compliance with internal quality and regulatory systems. Compile and present purchasing metrics, cost savings, and procurement reports. Support internal and external audits as required. Benefits : Competitive compensation Health, dental, and vision insurance 401(k) retirement plan with company match Paid time off and holidays Professional development opportunities