Director, Materials Management

Full Time Mountain Pass, CA, US

3 days ago Requisition

Salary Range: $ To $ Annually

MP Materials (NYSE: MP) is rebuilding American industrial capability for a new era of autonomy, robotics, and electrification.

We are the only U.S. company with a fully integrated rare earth supply chain—from mining and refining to advanced metal and magnet manufacturing. Our products include both the critical materials used to make permanent magnets and the finished magnets themselves—enabling next-generation technologies in robotics, automation, aerospace, transportation, defense, and energy systems. These materials are the foundation of physical AI—the convergence of computation, movement, and control.

We hire ambitious, mission-driven people who want to tackle complex challenges and shape the future of strategic industries. Our culture is rooted in teamwork, resiliency, and integrity, with a deep commitment to operational excellence and national purpose. MP is rapidly evolving from a materials producer into a leading U.S. manufacturer—and our people are driving that transformation.

The Director of Materials Management will be a part of Supply Chain function and will serve as a strategic and operational leader responsible for driving warehouse operations, inventory optimization, and material management strategy. This position is accountable for the end-to-end efficiency, accuracy, and material traceability of raw materials, bulk reagents, and maintenance spare parts required to support MP Materials mission.

In addition to day-to-day operational execution, this role leads transformation initiatives—leveraging deep SAP/ERP expertise to implement warehouse automation, eliminate operational bottlenecks, and implement LEAN principles. The Director provides robust cross-functional leadership, aligning supply chain workflows with Site Operations, Maintenance, EHS, Procurement, and Finance to ensure high plant uptime, inventory integrity, traceability, and strict safety and environmental governance.

• Team Leadership & Operational Ownership:
  Establish and implement policy and procedures for receiving, inventory management, storage, staging, and material delivery activities. Uhold strict safety, environmental, and Haz Mat storage protocols, driving zero-incident culture.
• Cross-Functional Leadership:
  Drive organizational alignment across Site Leadership, Operations, Maintenance, Procurement, EHS, and Finance to resolve material bottlenecks and align supply chain strategies with site production plans.
• Warehouse Operations & Material Reliability:
  Ensure maximum operational uptime and reliability by establishing continuous, predictable, and traceable material flow to ensure seamless support for plant operations. Coordinate SOX compliance and financial controls activities to insure inventory integrity.
• Materials Management Expertise:
  Develop comprehensive Materials Management and Inventory Management Strategies, Implementing Spares Programs, Asset Recovery Programs, Material Transfer Programs, as well as Consignment and VMI (vendor managed inventory) opportunities.
• Automation & Digital Transformation: leverage technology to drive operational efficiency and scalability of warehouse operations to support rapid growth. Lead evaluation, selection, deployment of automation/digitization of processes/tracking tools/barcoding/dashboards/etc.
• Develop & Drive Key Performance Indicators (KPIs):
  Prevent stock outs, improve physical space utilization, shorten receiving and processing cycle times, partner with end users to leverage use of reservations and work orders.
• Act as a supportive and inspirational leader who can work independently with a high sense of urgency in a…