MP Materials · 2 hours ago
Process Engineer - Kiln Area
Mountain Pass, CA
Full-time
Onsite
New Grad, Entry, Mid, Senior Level
$110K/yr - $150K/yr
0+ years expMP Materials is the only U.S. company with a fully integrated rare earth supply chain, focusing on advanced metal and magnet manufacturing. They are seeking Process Engineers to collaborate in the design, implementation, and optimization of various unit operations to ensure safe production and operational excellence.
IndustrialMiningSustainability
Responsibilities
Guide daily plant operations using engineering best practices
Create and review Standard Operating Procedures (SOP) and process log sheets for new and existing processes; work with area trainers to effectively communicate materials to the operations group
Create and maintain PFDs, P&IDs, mechanical and layout drawings, process control procedures, and design basis documentation
Provide technical training to operations personnel
Promote process safety and manage risk through appropriate engineering and administrative controls
Track and present key performance indicators (KPIs); update operating setpoints, strategy, and procedures based on KPIs for continual process improvement
Use statistical process control programs and techniques to analyze process KPIs
Identify and create preliminary technical scope packages for small capital projects; participate in the capital project lifecycle to ensure successful design and implementation
Develop and communicate cost, benefits, and risk information on new process changes
Participate in the Management of Change process, creating and executing MOC projects
Participate in environmental, health, and safety initiatives, and ISO 9001
Collaborate with the project management team, purchasing department, vendors, maintenance, contractors, operators, and other team members as needed to maintain safe, reliable operations
Complete any other tasks as needed or as directed by management
Qualification
Required
Bachelor's degree in chemical engineering
Process Engineer I: 0-3 years of work experience in a chemical plant, mining, petroleum, or a similar heavy industrial setting
Process Engineer II: 3-6 years of work experience in a chemical plant, mining, petroleum, or a similar heavy industrial setting
Senior Process Engineer: 6+ years of work experience in a chemical plant, mining, petroleum, or a similar heavy industrial setting
Valid Drivers License to drive company vehicles on and off property
Preferred
Prior experience with mills, flotation circuits, thickeners/clarifiers, slurry systems, dry solids handling, dissolution reactors, precipitation reactors, filter press, belt filter, and other various filtration technology, centrifugal and positive displacement pumps, heat exchangers, cooling towers, instrumentation and process control automation, steam & power generation, reverse osmosis, water treatment, evaporators, crystallizers, centrifuges
Excellent communication skills, verbal and written
Ability to complete a task with appropriate coaching and minimal supervision
Ability to create, read, and modify PFD's and P&ID's, material & energy balances
High proficiency in Microsoft Office (Word, Excel, PowerPoint), statistical software, and PI ProcessBook
Strong technical writing capability & attention to detail
Company
MP Materials
MP Materials provides a sustainable, low-cost supply chain of coveted materials that help power the modern economy.
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