Materials Management Lead — Inventory & Shipping

Castelion Corporation; Torrance (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

Castelion is seeking a Materials Management Supervisor in Torrance, CA to lead the Inventory, Shipping, and Receiving functions. You will set priorities, build scalable processes, and drive timely material movements to support production goals.

Ideal candidates will have 5+ years in materials management and 3+ years in people leadership, with hands-on ERP/MRP/MES/WMS experience and a U.S. security clearance eligibility clause.

Qualifications

• 5+ years of materials management, inventory control, or related operations.
• 3+ years of direct people-management experience.
• Experience in fast-paced manufacturing with autonomy.
• Hands-on experience with ERP/MES/WMS and linking material movement to system transactions.
• Ability to obtain U.S. Government security clearance; U.S. citizenship required.
• Strong communication and leadership skills.

Responsibilities

• Lead Materials Management team across Inventory, Shipping, and Receiving.
• Own daily Materials Management operations across receiving, inventory control, shipping, putaway, material movement, staging, kitting, replenishment, and production support.
• Set team priorities and performance goals, allocate resources, provide feedback, address performance gaps, and identify staffing and development needs as the organization scales.
• Own the timely and accurate movement of material across Castelion, including inbound receipts, production inventory transfers, intersite transfers, and outbound shipments.
• Develop and maintain standard work, operating procedures, and scalable processes across Materials Management.
• Establish and monitor KPIs for inventory accuracy, receiving and shipping performance, material availability, transaction accuracy, cycle counts, and transfer execution.
• Maintain accurate physical and systematic inventory and ensure material movements are promptly reflected in Castelion's ERP/MES systems.
• Own cycle counting, inventory reconciliation, discrepancy investigation, root-cause analysis, and corrective actions.
• Ensure disciplined inventory-control and traceability practices, including location control, FIFO, lot, serial, and shelf-life requirements.
• Own shipping and receiving execution, including prioritization, packaging, documentation, carrier coordination, inbound processing, tracking, and on-time performance.
• Partner with Production and Manufacturing Engineering to ensure material is staged, transferred, and available in alignment with production priorities.
• Collaborate with Supply Chain, Planning, Quality, Engineering, and Production to resolve shortages, discrepancies, nonconforming material, transportation constraints, and other material risks.
• Identify and eliminate bottlenecks across receiving, storage, picking, staging, kitting, shipping, and material movement.
• Develop warehouse layouts, storage strategies, point-of-use inventory, replenishment methods, and material-flow processes that support increasing production rates.
• Drive continuous improvement of ERP, MES, WMS, shipping, receiving, and inventory-management processes.
• Ensure proper control, storage, identification, segregation, packaging, and handling of high‑value, sensitive, hazardous, and traceable materials.
• Maintain organized, safe, and audit‑ready Materials Management areas and ensure compliance with applicable quality, export‑control, government property, transportation, and company requirements.
• Identify staffing, equipment, space, transportation, and process requirements necessary to support production growth.
• Communicate material risks, team performance, operational constraints, and improvement priorities clearly to leadership.
• Remain actively engaged with frontline operations to remove roadblocks and support critical production requirements.

Skills

Leadership

Inventory control

Shipping & Receiving

Warehouse operations

Cycle counting

Process improvement

Cross-functional collaboration

Safety compliance

Security clearance readiness

Education

Bachelor's degree in supply chain, logistics, or related field

Tools

ERP systems

MRP

MES

WMS

Job description

Castelion is seeking a Materials Management Supervisor in Torrance, CA to lead the Inventory, Shipping, and Receiving functions. You will set priorities, build scalable processes, and drive timely material movements to support production goals.

Ideal candidates will have 5+ years in materials management and 3+ years in people leadership, with hands-on ERP/MRP/MES/WMS experience and a U.S. security clearance eligibility clause.