As a Sr. Supply Chain Buyer & Planner, you will play a critical role in ensuring material availability from supplier selection through production readiness. You will be responsible for strategic procurement, supplier management, material planning, and clear-to-build (CtB) execution, partnering cross-functionally with Engineering, Production, Inventory, Quality, and Program Management to ensure production starts on time and customer commitments are met. This role is ideal for someone who thrives in a fast-paced manufacturing environment, enjoys balancing both strategic sourcing and day-to-day execution, and takes ownership of solving supply chain challenges before they impact production. What You'll Own Procurement & Supplier Management • Source and procure wire harness components including wire, connectors, terminals, cable assemblies, and other production materials. • Develop and maintain strong supplier relationships to ensure competitive pricing, quality, delivery, and long-term performance. • Identify, qualify, and onboard new suppliers to expand the supply base while mitigating supply chain risk. • Lead supplier negotiations for pricing, lead times, payment terms, and contractual agreements. • Conduct supplier performance reviews and audits to ensure compliance with company and industry standards. • Develop and implement cost reduction initiatives and supplier performance improvement plans. • Monitor market trends, commodity pricing, and supply chain risks to proactively manage material availability. • Willingness to travel occasionally for supplier visits and audits. Material Planning & Production Readiness • Manage material readiness for assigned production orders from release through production start. • Maintain accurate Clear-to-Build (CtB) status and projected material availability dates. • Monitor material shortages and proactively resolve issues before they impact production schedules. • Allocate available inventory across work orders based on production priorities and customer commitments. • Coordinate supplier expedites and recovery plans for critical material shortages. • Monitor open purchase orders to ensure deliveries align with production requirements. • Maintain accurate shortage tracking, supplier updates, and planning data within ERP/MRP systems. • Escalate supply constraints and material risks impacting factory schedules or customer deliveries. Cross-Functional Collaboration • Partner closely with Production, Engineering, Inventory, Programs, and Quality to ensure seamless production execution. • Coordinate BOM discrepancies, alternate part approvals, engineering changes, and material-related issues. • Validate inventory accuracy, receiving status, and material transactions with Inventory teams. • Support production planning meetings by providing accurate material readiness and supplier status updates. • Partner with Quality to resolve supplier quality issues and ensure incoming materials meet company and industry standards. • Support root cause analysis and corrective actions for recurring shortages, supplier issues, and planning inefficiencies. • Drive continuous improvement initiatives across procurement, planning, ERP processes, and supply chain performance. • Support special projects and strategic supply chain initiatives as needed. What You'll Bring to the Team • 3+ years of experience in procurement, purchasing, supply chain planning, material planning, inventory management, or manufacturing operations. • Experience in a fast-paced manufacturing environment; wire harness, aerospace, defense, electronics, or cable assembly experience is strongly preferred. • Strong supplier negotiation and supplier relationship management skills. • Experience managing purchase orders, supplier expedites, and material shortages. • Strong organizational skills with the ability to prioritize multiple projects simultaneously. • Excellent analytical, problem-solving, and decision-making abilities. • Ability to interpret engineering drawings, BOMs, and technical specifications. • Experience with ERP/MRP systems and Microsoft Office Suite. • Excellent verbal and written communication skills. • Ability to collaborate cross-functionally with Engineering, Production, Inventory, Procurement, Quality, and Program Management. • Strong sense of ownership, urgency, and attention to detail. • Must be able to lift up to 35 lbs. Preferred Qualifications • Experience in wire harness manufacturing. • Familiarity with IPC/WHMA-A-620 standards. • Experience with SQL and Power BI. • Experience using CAD tools. • Experience with Lean Manufacturing and continuous improvement initiatives. • Experience improving ERP planning tools, reporting, and material workflows. Key Deliverables • Ensure all assigned production orders achieve accurate Clear-to-Build status. • Maintain uninterrupted material flow to support on-time production starts. • Develop and execute recovery plans for all material-constrained work orders. • Improve supplier performance in quality, cost, and delivery. • Reduce material shortages through proactive planning and supplier management. • Drive continuous improvement in procurement, planning accuracy, and supply chain performance. Compensation: • Compensation will be based on experience, qualifications, and other job-related factors. • Salary Range:$115,000-150,000 • This is an onsite role at our headquarters in Redondo Beach, CA. Benefits: • Unmatched opportunities to drive impact on a friendly and mission-driven team • Own a piece of the pie with equity participation! • Comprehensive medical, dental, vision, life and long-term disability coverage • Flexible Spending Account (FSA) and Dependent Spending Account (DSA) for health-related expenses • 20 vacation days per year and 12 company holidays for rest and relaxation • a 401(k) plan to set yourself up for retirement • Choose a record you love, and we'll add it to our growing vinyl collection! • $50/month DoorDash credit - lunch is on us! • Up to $100/month reimbursement for gym memberships • Fully stocked kitchen with snacks and beverages • Regular team-building events, lunches, and the occasional breakfast burrito! • Bright, open office with communal spaces for collaboration and free parking • Conveniently located near the metro, major freeways and local dining spots Pay range $115,000-$150,000 USD