Warehouse Supervisor – Reagents & Bulk Materials (SAP/ERP)

MP Materials Corp.; California; On-site; USD 90,000 - 110,000; Full time

Job summary

MP Materials Corp. is seeking a Warehouse Supervisor – Reagents & Bulk Materials at Mountain Pass, CA. The role oversees a team handling reagent and bulk material flow, ensuring safety, inventory traceability, and process discipline in a 24/7 operation.

The candidate will manage SAP transactions, verify PO/BOL/receipts, and coordinate with AP to keep materials moving. Minimum 3 years supervisory warehousing experience and SAP/ERP proficiency required.

Qualifications

• Bachelor’s degree in business, logistics, supply chain, or related field or 5 years of progressive experience in warehouse operations.
• Proven ability to lead teams, manage shift schedules, assess individual capabilities, and enforce strict team discipline.
• Minimum 3 years of experience supervising/managing warehouse operations.
• Strong experience with ERP and MRP systems. SAP is a plus.
• Direct experience operating in mining/refining/chemical processing or construction environment preferred.
• Solid working knowledge of OSHA/DOT guidelines for hazardous materials handling and storage.
• Advanced computer skills including Microsoft Office; ability to operate forklifts with required certifications.

Responsibilities

• Deliver accurate SAP / ERP system transactions to maintain inventory integrity.
• Enforce a same-day receiving standard to eliminate material backlogs.
• Maintain SOX compliance, safety mandates, and environmental expectations.
• Validate POs vs Bills of Lading vs physical material and coordinate with AP.
• Ensure inbound materials are labeled with PO number, material number, quantity and date.
• Coordinate daily reagent deliveries on kanban and allocate consumed materials.
• Support site inventory control activities including cycle counts and variance investigations.
• Lead daily receiving activities and monitor workloads.
• Act as a hands-on, inspirational leader in a fast-paced industrial environment.

Skills

Leadership

Team management

SAP

Safety compliance

Forklift operation

MS Office

Education

Bachelor’s degree in business, logistics, supply chain, or related field

Tools

SAP

Job description

MP Materials Corp. is seeking a Warehouse Supervisor – Reagents & Bulk Materials at Mountain Pass, CA. The role oversees a team handling reagent and bulk material flow, ensuring safety, inventory traceability, and process discipline in a 24/7 operation.

The candidate will manage SAP transactions, verify PO/BOL/receipts, and coordinate with AP to keep materials moving. Minimum 3 years supervisory warehousing experience and SAP/ERP proficiency required.