Procurement Supervisor

Full Time Management Mountain Pass, CA, US Salary Range: $130,000.00 To $160,000.00 Annually Company Overview: 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. Position Overview: The Procurement Supervisor provides full operational ownership of Procure-to Pay (P2P) cycle, local sourcing, and supervises a dedicated team of six. The supervisor establishes clear operational ownership across both daily plant purchasing and large capital expansion projects — assisting operations, maintenance, and engineering departments in debottlenecking procurement workflows. By driving total lifecycle cost analysis, enforcing flow-down contract provisions, and managing the end-to-end Procure-to-Pay (P2P) cycle, this position ensures commercial expectations, quality standards, sustainability goals, and delivery timelines are met to support scalable, incident-free operations. Position Responsibilities: Team Leadership & Operational Ownership: supervise, coach, and evaluate a team of buyers. Establish and oversee daily priorities, assign category/project workloads, and enforce team discipline and execution. Supplier Management & Cost Reduction: engage with key suppliers to build strong relationships while negotiating favorable commercial terms, pricing, and delivery schedules. Conduct cost-benefit analyses to drive measurable, documented cost savings without compromising quality or compliance. Procure-to-Pay (P2P) & SAP Discipline: deliver accurate SAP / ERP system transactions to maintain procurement data integrity and streamline the P2P cycle. Enforce same-day PO creation and expediting standards to eliminate backlogs; coordinate cross functionally to troubleshoot discrepancies. Continuous Improvement & Change Leadership: serve as a Change Champion leveraging procurement technology tools and data analytics to optimize supply chain efficiency, manage KPIs, and enhance decision-making. Act as a supportive and inspirational leader who can work independently with a high sense of urgency in a hands-on, active industrial team environment ("boots on the ground" engagement). Basic Qualifications: Bachelor’s degree in supply chain, business, logistics, or related field. Minimum 5 years of progressive commercial purchasing, project procurement, or supply chain experience in an industrial, mining, refining, or petrochemical processing environment. Minimum 3 years of direct supervisory or team leadership experience, with a proven track record of managing purchasing specialists, buyers, or expeditors (managing teams of 3+ required; 5+ preferred). Proficiency with ERP/MRP systems (SAP experience required) and advanced MS Office skills (Excel, Word, PowerPoint). Demonstrated expertise in Procure-to-Pay (P2P) principles, commercial contract terms, total life cycle cost analysis, and industrial safety/governance standards. Preferred Education / Certification: Master’s degree in Business Administration (MBA) or Supply Chain Management. CPSM (Certified Professional in Supply Management) or equivalent. Desired Qualities: Change Champion & Leader: Has the courage and expertise to lead change, stimulating new thinking in a positive, collaborative fashion with an overall value-add business perspective. Execution & Velocity: Passion for problem-solving and delivering results in a fast-paced environment; able to deal with ambiguity and act independently with confidence and speed. Data Analytics & Cost Management: Expertise in analyzing procurement costs, conducting cost-benefit analyses, and tracking key performance indicators via SAP and Excel to make data-driven decisions. Cross-Functional Collaborator: High personal integrity and exceptional customer service orientation, building strong alignment across Operations, Maintenance, Engineering, Finance, Capital Projects, Legal, and external partners. The expected pay range for this position is $130,000 - $160,000. The actual pay rate offered may vary based on multiple factors including, but not limited to experience, knowledge, skills, and/or education. MP Materials is Proud to be an Equal Opportunity / Affi All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. Underrepresented groups/Women/Disabled/Veterans are encouraged to apply. Candidates whose disabilities make them unable to meet the position’s requirements will still be considered qualified if they can perform the essential functions of the job with reasonable accommodation. Your Right to Work In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment verification document form upon hire. Safety Provision Employees are responsible for following all company, industry and regulatory procedures and laws to ensure a safe work environment for themselves and the company. Employees must have a willingness to promote safety among the workforce, participate in Process Hazard Analysis procedures and Pre-Startup Safety Reviews. (PPE) Personal Protective Equipment is required when performing work in a mine, manufacturing, outdoor, or plant environment. Required PPE may include, but is not limited to, hard hat, hearing protection, safety glasses, safety footwear, respirator, rubber steel-toe boots, protective clothing, gloves, and any other protective equipment as required. Working Conditions Our facility sits at an elevation of 4,700 feet. Employees may be subject to extreme weather conditions when working in an outdoor setting (heat and cold, wind). Work is at an open pit mine or manufacturing/chemical plant setting, which may include exposure to moving mechanical parts, toxic chemicals, risk of electrical shock, explosives, fumes, or airborne particles. Physical Demands Manual dexterity; sense of touch; sense of smell; speaking clearly; hearing-speech range; hearing – all ranges; seeing, reading and comprehensions; seeing – distant/near; depth perception; color vision. While performing the job responsibilities, the employee is required to talk and hear. The employee is often required to stand and use their hands and fingers, to handle or feel and to manipulate laboratory equipment. The employee is occasionally required to walk, reach with arms and hands, climb or balance, and to stoop, kneel, crouch or crawl. Vision abilities required by this job include close vision. Employees must pass a full-face respiratory fit test. Employees must be able to lift 50 lbs. Must be able to work in PPE level C. These requirements are representative, but not all-inclusive, of the knowledge, skill, and ability required of the employee. #J-18808-Ljbffr MP Materials Corp.