MP Materials · 21 hours ago
Engineer, Process
Mountain Pass, CA
Full-time
Onsite
Mid Level
$110K/yr - $150K/yrMP Materials is rebuilding American industrial capability for a new era of autonomy, robotics, and electrification. The Engineer, Process will be responsible for running and controlling multiple solvent extraction circuits, monitoring process metrics, and coordinating with various departments to ensure operational efficiency.
IndustrialMiningSustainability
Responsibilities
Maintaining multiple solvent extraction circuits to be operationally fit and on spec
Present production metrics and operational concerns to upper management
Provide clear and concise slide/graphs in daily production meetings to team
Identify and explain troubleshooting process in a logical manner
Work with operations on daily tasks and process adjustments
Work with electrical and maintenance on troubleshooting or repairing equipment
Work with process controls to fix issues in sequencing or improve reliability for sustainability of circuits
Obtain quotes and place orders for equipment parts, reagents, or contracting work
Qualification
Required
Bachelor's degree in engineering fields such as chemical engineering, metallurgical engineering
Experience working in a chemical plant, mining, petroleum, or a similar heavy industrial setting
Familiarity with plant control systems
Experience troubleshooting process upsets and issues in a plant environment
Ability to monitor and adjust for moving trends of flows, concentrations, and pH
Familiarity with industrial equipment and instrumentation (e.g. pumps, valves, controllers, transmitters)
Ability to comprehend engineering drawings and documentation
Capable of creating, reading, and modifying PFDs, P&IDs, and PI Vision pages
Capacity for calculating reagent usages, production throughputs, and mass balances
Proficiency in Microsoft Applications (e.g. Word, Excel, Access, PowerPoint, MS Project, Visio)
Basic knowledge in SAP (Systems, Applications, and Products in Data Processing)
Valid Drivers License to drive company vehicles on and off property
Company
MP Materials
MP Materials provides a sustainable, low-cost supply chain of coveted materials that help power the modern economy.
Founded in 2014
1001-5000 employees
H1B Sponsorship
MP Materials has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (9)
2024 (5)
2023 (2)
2022 (3)
2020 (2)
Funding
Current Stage
Public CompanyTotal Funding
$2.38BKey Investors
JP Morgan ChaseU.S. Department of DefenseDepartment of Defense’s Office of Strategic Capital (OSC)
2025-08-25Post Ipo Debt· $275M
2025-07-16Post Ipo Equity· $650M
2025-07-10Post Ipo Equity· $400M
Leadership Team
Alan Lund
Executive Vice President, Magnetics
Recent News
The Motley Fool
2026-01-17
Washington Technology
2026-01-17
Company data provided by crunchbase