MP Materials · 20 hours ago
Process Control Engineer (ONSITE)
Mountain Pass, CA
Full-time
Onsite
Mid Level
$135K/yr - $155K/yr
3+ years expMP Materials is the only U.S. company with a fully integrated rare earth supply chain, supporting next-generation technologies in various industries. The Process Control Engineer will support plant operations, manage PLC/SCADA infrastructure, and collaborate with stakeholders on process improvement projects.
MiningIndustrialSustainability
No H1B
Responsibilities
Work within the PLC/SCADA environment to support plant operations
Update and develop new graphics within the SCADA GE iFix and Ignition HMI applications
Utilize ladder logic, function block, and structured text programming languages in RSLogix
Support DeviceNet, ControlNet, and Ethernet-based network infrastructure
Troubleshoot issues with motors, valves, instruments, and various process equipment
Troubleshoot issues with controls equipment including remote I/O panels, communications equipment (ie. network switches), SCADA servers, and operator workstations/thin clients
Review engineering documents for capital and internal projects
Follow site design, project management, and document control standards
Work with process engineers to develop efficient control schemes and strategies that meet the requirements of the operation
Manage the PI data historian tag configuration, graphical displays, and reports
Work with Lead engineers to identify bottlenecks and create/implement solutions
Complete any other tasks as needed or as directed by management
Qualification
Required
BS degree in Engineering, or a related field, preferred
3+ years of experience as a process control engineer in a chemical, mining, petroleum, or other industrial setting
Demonstrated experience and competence with Rockwell Automation controls platforms, including hardware and software tools
Demonstrated experience and competence with Ignition platform
Experience with PFDs, P&IDs, control narratives, and instrumentation wiring diagrams
Must be authorized to work in the United States
A Valid Driver's License and good driving record are required to drive company vehicles on the property
Full-time Onsite
Preferred
Work experience with iFix HMI platforms, Aveva Pi
Hands-on experience with heavy industrial equipment troubleshooting
Experience with process optimization/tuning of closed-loop control systems
Company
MP Materials
MP Materials provides a sustainable, low-cost supply chain of coveted materials that help power the modern economy.
1001-5000 employees
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
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2026-02-11
2026-02-07
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2026-02-07
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