
The Quality Engineer role is based on-site at MP Materials' Mountain Pass facility in California, supporting the process engineering team within the company's mission to restore the U.S. rare earth supply chain. Key responsibilities include implementing and sustaining the Quality Management System in compliance with ISO 9001 standards, leading internal and external audit programs, and driving corrective actions to ensure product consistency and purity. The position appeals to professionals seeking to contribute to a high-impact industrial transformation while working in a culture grounded in teamwork, resiliency, and integrity. This full-time opportunity offers the chance to lead quality initiatives in a heavy industrial chemical plant environment with a focus on safety and operational excellence.
















