The Senior Buyer is responsible for managing supplier execution, purchase order coverage, material availability, supplier performance, and cost competitiveness for direct and/or indirect materials.
This role ensures alignment between demand, MRP signals, supplier commitments, inventory targets, production requirements, and customer delivery expectations.
The Senior Buyer must demonstrate strong ownership, analytical capability, negotiation skills, supplier management discipline, and the ability to manage escalations in a fast-paced automotive manufacturing environment.
What You Will Do
Execute purchasing activities to ensure material availability according to production schedules, customer requirements, inventory targets, and MRP signals.
Manage purchase orders, confirmations, delivery dates, expedites, reschedules, cancellations, and supplier follow‐up.
Monitor supplier performance including on‐time delivery, responsiveness, lead time adherence, quality support, and escalation management.
Coordinate with Planning, Customer Service, Logistics, Warehouse, Engineering, Quality, Finance, and Operations to resolve material risks.
Identify shortages, delivery gaps, supplier constraints, and potential customer impact; escalates proactively with recovery plans.
Support inventory optimization through PO alignment, excess and obsolete reduction, MOQ review, lead time validation, and supplier flexibility initiatives.
Negotiate price, delivery, payment terms, MOQ, lead time, and service improvements within the scope of purchasing authority.




Maintain accurate purchasing master data, supplier information, lead times, and PO parameters in ERP systems.
Support cost reduction, localization, supplier development, and continuous improvement projects.
Participate in supplier business reviews, corrective actions, and escalation meetings.
Ensure compliance with Molex purchasing policies, ethical standards, internal controls, and automotive customer expectations.
Support new product introductions, engineering changes, project launches, and end‐of‐life material management.
Basic Qualifications
Bachelor's degree in Supply Chain, Business Administration, Industrial Engineering, International Business, or related field.
4–6 years of experience in purchasing, procurement, materials, or supplier management.
Experience in manufacturing, electronics, automotive, or maquiladora environments.
Strong knowledge of MRP, ERP, purchase order management, supplier follow‐up, and inventory control.
SAP experience required.
Strong Excel and analytical skills.
English proficiency required.
What Will Put You Ahead
Experience supporting automotive customers or IATF ***** manufacturing environments.
Knowledge of supplier scorecards, contract management, cost reduction, and sourcing processes.
APICS, CPIM, CSCP, Lean Six Sigma, or procurement certification preferred.
Experience with integral suppliers, long lead‐time components, electronics, connectors, cables, or mechanical components.
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📌 Sr. Buyer (El Salto)
🏢 Molex
📍 El Salto