Chemist, Methods Development

MP Materials•Mountain Pass, CA
•Onsite

About The Position

The Method Development Chemist develops and maintains methods and standard operating procedures for equipment in the Analytical Lab and works with operational areas on special samples and projects. The role develops methods to ensure accurate results for a wide variety of non-routine samples, generates new quality control samples, and verifies their accuracy before implementation. The chemist maintains and troubleshoots laboratory equipment, trains staff in new procedures and methods, and helps ensure analytical results meet customer expectations and are accurate. The position requires compliance with company policies and procedures, including laboratory safety, health, environmental, and operational requirements. The work is in an open-pit mine or manufacturing/chemical plant setting and may involve outdoor exposure, hazardous materials, mechanical equipment, and airborne particles. Flexible shifts and hours may be required based on operational needs.

Requirements

  • Bachelor’s degree in a science; Chemistry preferred.
  • High familiarity with analytical techniques and instrumentation used in the Analytical Lab, including ICP-AES, ICP-MS, XRD, XRF, and SEM.
  • Familiarity with computers, instrument software, and database software.
  • Valid driver’s license and good driving record to drive company vehicles on property.
  • Must pass a full-face respiratory fit test.
  • Must be able to lift 50 lbs.
  • Must be able to work in PPE level C.
  • Ability to perform the stated physical demands, including handling and manipulating laboratory equipment.

Responsibilities

  • Develop a method for qualitative Rietveld XRD analysis.
  • Develop a method for SEM.
  • Ensure methods are appropriate for non-routine samples.
  • Review analytical results and quality control data, research discrepancies, and report anomalous results to the Analytical Laboratory Supervisor.
  • Maintain and troubleshoot laboratory instrumentation.
  • Perform laboratory housekeeping and routine inspections.
  • Participate in safety management programs and follow laboratory safety and operational procedures.
  • Comply with health, environmental, and safety regulations, and company policies, processes, and procedures.
  • Maintain safe work practices.
  • Complete other tasks as needed or directed by management.
  • Develop and maintain methods and procedures for Analytical Lab equipment.
  • Generate new quality control samples and verify their accuracy before implementation.
  • Train staff in new procedures and methods.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service