Mechanical Engineer – Plant Operations & Upgrades

MP Materials; Mountain Pass (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

MP Materials is a leader in rebuilding American industrial capability, providing fully integrated rare earth supply chain solutions for critical applications. We seek a Mechanical Engineer to support the design, operation, maintenance, and continuous improvement of mechanical systems across our industrial facilities.

You will troubleshoot equipment issues and drive initiatives to improve safety, reliability, and plant performance.

Qualifications

• Bachelor's degree in engineering and knowledge of mechanical equipment design.
• Familiarity with ASME/ANSI/API and industry standards.
• Strong communication and teamwork skills.

Responsibilities

• Provide mechanical engineering support for plant operations and maintenance.
• Lead design, specification, and implementation of pumps, piping, conveyors.
• Develop scopes of work and technical specifications for projects.
• Troubleshoot complex equipment failures using engineering analysis.
• Collaborate with operations/maintenance to identify improvements and cost savings.
• Review drawings, calculations, and vendor submittals for compliance.
• Support safety and environmental compliance and risk assessments.

Skills

Mechanical design

Maintenance & operation

Vibration analysis

Root cause analysis

Cross-functional collaboration

Education

Bachelor's degree in engineering

Job description

MP Materials is a leader in rebuilding American industrial capability, providing fully integrated rare earth supply chain solutions for critical applications. We seek a Mechanical Engineer to support the design, operation, maintenance, and continuous improvement of mechanical systems across our industrial facilities.

You will troubleshoot equipment issues and drive initiatives to improve safety, reliability, and plant performance.