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Senior Metallurgist

Job in Mountain Pass, San Bernardino County, California, 92366, USA
Listing for: MP Materials
Full Time position
Listed on 2026-02-18
Job specializations:
  • Engineering
    Process Engineer, Manufacturing Engineer, Quality Engineering, Materials Engineer
  • Manufacturing / Production
    Manufacturing Engineer, Quality Engineering, Materials Engineer
Salary/Wage Range or Industry Benchmark: 136587 - 141832 USD Yearly USD 136587.00 141832.00 YEAR
Job Description & How to Apply Below
Location: Mountain Pass

Senior Metallurgist

Location: 67750 Bailey Road HC-1 Box 224 Mountain Pass, CA 92366

Responsibilities
  • Interfacing with QA, new product development, process control and monitoring.
  • Work in the Process Technology and Engineering Department and report directly to the Lead Metallurgical Engineer.
  • Plan, conduct, assist with metallurgical study, development, testing and analysis of design, process, and procedure at mill facility.
  • Monitor and direct changes to key operating parameters of all production circuits.
  • Report metallurgical or process issues and make recommendations on how to solve issues.
  • Monitor daily analytical reports with respect to process circuits.
  • Ongoing process improvement efforts around feed consistency, grinding, hydrocyclone separation, conditioning, flotation, recovery by size, reagent selection, and plant throughput.
  • Create and maintain operation and process documentation such as log sheets and SOPs.
  • Maintain PFDs, P&IDs, process control procedures, and design basis procedures.
  • Provide technical training on new technology to operators.
  • Identify and scope out small and medium capital project needs, participate on large capital project teams.
  • Work with purchasing, vendors, maintenance, contractors, operators, and other team members to complete daily tasks and projects.
  • Perform laboratory test work to investigate, troubleshoot, and improve operations.
  • Track raw material usage and conversion, create, and maintain material reports in SAP.
  • Work with QA and customer service to address any product quality or customer complaints.
  • Startup and commissioning of new equipment and processes.
  • Follow all company, industry and regulatory procedures and laws to ensure safe work by oneself and the company.
  • Complete Management of Change (MOC) paperwork, drive, and document changes.
Qualifications

Education and Experience:

  • Bachelor’s degree or foreign equivalent in Chemical Engineering, Industrial Engineering, or related field.
  • Five (5) years of post-baccalaureate experience as a Metallurgical Engineer or related field within the mining field.
  • Experience must include: JK Sim Met;
    Particle Size Analyzer; optimization of metallurgical processes; production planning and forecasting; and conducting circuit inspections, reagent tracking, and sampling.

To apply, please email your resume to:

Salary range: $136,587 to $141,832/year

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Position Requirements
10+ Years work experience
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