Mechanical Supervisor

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.

MP Materials is seeking a highly capable Industrial Mechanical Supervisor to lead mechanical maintenance, machining, and fabrication activities supporting advanced magnet manufacturing. This working supervisor role oversees Industrial Mechanics, Fabricators/Welders, and Tool & Die Machinists, ensuring safe, reliable, and high-quality execution of all mechanical work in a 24/7 production environment.

The ideal candidate brings strong technical depth in rotating equipment, hydraulics/pneumatics, fabrication, and precision machining paired with leadership experience in setting standards, building technician capability, and driving preventive maintenance (PM) program development. This leader will play a key role in improving equipment uptime, mechanical reliability, and craftsmanship across the facility.

Safety-driven craftsmanship.

Hands-on leadership style.

High mechanical aptitude.

Strong communicator and collaborator.

Commitment to continuous improvement.

Detail-oriented and technically disciplined.

MP Materials is Proud to be an Equal Opportunity / Affirmative Action Employer - EEO is The Law. 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.