Security Officer

Security Officer

Full Time Mountain Pass, CA, US

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 Security Officer reports to the Security Manager and is responsible for maintaining a safe, secure, and professional environment at the Mountain Pass site. The Security Officer performs access control, personnel processing, badge issuance, visitor and vendor screening, truck and delivery coordination, patrols, incident response, and other assigned security duties while following Company policies and procedures.

• Controls vehicle and visitor access to the site and verifies authorization before permitting entry.
• Processes employees, contractors, vendors, and other authorized personnel entering the site in accordance with established security procedures.
• Creates, issues, activates, and tracks employee and contractor identification badges as authorized; maintains accurate badge and access-control records.
• Greets site visitors and vendors in a professional manner, verifies identity and authorization, completes required sign-in procedures, and provides directions or coordinates escorts as needed.
• Directs trucks and commercial vehicles entering the site for deliveries and coordinates with receiving departments or site contacts to ensure safe and efficient traffic flow.
• Monitors and facilitates visitor sign-in and sign-out, including verification of identity and permission to access the facility.
• Conducts regular and sporadic patrols of the property, gates, buildings, parking areas, and other assigned locations and documents observations or concerns.
• Monitors gates, access-control systems, CCTV, alarms, radios, keys, and other assigned security equipment.
• Uses telephone and radio communications to verify activities, coordinate access, and maintain situational awareness.
• Follows established key-control procedures and maintains accountability for keys and access devices.
• Completes daily activity reports, incident reports, logs, witness statements, and other required security documentation accurately and in a timely manner.
• Reacts quickly and professionally to requests for Security assistance, alarms, medical incidents, workplace disturbances, access-control issues, and other security events.
• Summons emergency, medical, fire, or law-enforcement assistance when required and assists responding personnel with access and directions.
• Preserves relevant information, video, access-control records, photographs, or other documentation related to incidents when directed.
• Provides clear and thorough pass-down information to the oncoming Security Officers at shift change.
• Maintains professional communication with employees, contractors, visitors, vendors, management, EHS, Human Resources, and emergency responders.
• Maintains the…