Metallurgy Technician: Lab R&D in Mineral Processing

MP Materials Corp.; California; On-site; USD 45,460 - 55,104; Full time

Job summary

MP Materials Corp. is seeking a Metallurgy Technician for the Mountain Pass, CA site. This role supports mineral processing R&D, including flotation reagent testing and process chemistry trials, with lab-to-plant scale evaluations.

The position offers a day shift with potential for other shifts and overtime as needed. The role requires interest in earth sciences, 1+ year lab/industrial experience, and strict safety and record-keeping.

Qualifications

• Strong interest in mining, geology, mineral processing, or related earth sciences.
• 1+ year experience in a lab, mining, mineral processing, chemical, petroleum, or heavy industrial setting (preferred).
• Ability to follow technical instructions and keep accurate records.

Responsibilities

• Collect and prepare samples from the mill and flotation circuits.
• Perform laboratory testing, including froth flotation and related mineral processing experiments.
• Operate laboratory and pilot-scale equipment such as crushers, grinders, filters, sieves, shakers, and flotation cells.
• Record observations, test conditions, and results; assist with preliminary data analysis.
• Maintain and organize lab supplies, equipment, and test areas.
• Collaborate with cross-functional teams to evaluate reagents, technologies, and process improvements.

Skills

Laboratory experience

Safety mindset

Driver's license

Education

High School Diploma/GED

Associate or bachelor’s degree preferred

Tools

XRF

Lab equipment operation

Job description

MP Materials Corp. is seeking a Metallurgy Technician for the Mountain Pass, CA site. This role supports mineral processing R&D, including flotation reagent testing and process chemistry trials, with lab-to-plant scale evaluations.

The position offers a day shift with potential for other shifts and overtime as needed. The role requires interest in earth sciences, 1+ year lab/industrial experience, and strict safety and record-keeping.