MP Materials

Full-stack Engineer

• Architect, implement, and maintain SCADA and HMI systems using FactoryTalk View, WinCC, and related platforms
• Deploy and manage AVEVA PI systems for real-time data acquisition, historian, and analytics
• Implement and maintain Rockwell AssetCentre for centralized automation-asset management and change tracking
• Design and support industrial network infrastructures, including VLANs, managed switches, firewalls, and segmentation strategies
• Integrate control systems and field data into enterprise platforms for Industry 4.0 and Smart Factory initiatives
• Ensure secure and reliable data flow from PLCs and sensors to MES, ERP, and cloud-based analytics systems
• Support and maintain PLC and HMI applications, including programming, troubleshooting, and version control
• Collaborate with IT, cybersecurity, production, and engineering teams to enable and secure OT/IT convergence
• Lead and mentor junior engineers and technicians and drive controls architecture, documentation, and change-management best practices
• Troubleshoot OT network, SCADA, and data-system issues in high-availability production environments
• Develop and configure HMI systems and integrate them with PLC control systems
• Set up and maintain Ethernet/IP, Modbus, Profibus, OPC, and related communication protocols
• Prepare technical documentation, including system designs, PLC programs, HMI configurations, network diagrams, troubleshooting guides, control narratives, and I/O lists
• Conduct factory acceptance tests and site acceptance tests
• Oversee and participate in installation, commissioning, and start-up of control systems
• Perform other duties as assigned

Senior Engineer, Controls

General

• Serve as the technical expert for environmental compliance under the Environmental Manager
• Develop strategic compliance plans and objectives focused on water permitting, monitoring, reporting, and recordkeeping
• Ensure compliance with federal, state, and local water quality standards and regulations
• Oversee and update environmental compliance programs for water management
• Maintain water data, water system performance records, and operational logs
• Prepare and submit Water Quality Monitoring Reports, Water Use Reports, and Site Water Reports
• Prepare, submit, and maintain water permits, including California Regional Water Board, County Water Permits, and SWPPP Reports
• Collect, analyze, and interpret data from remote monitoring wells, freshwater wells, mine wells, and other samples
• Support environmental assessments for new or modified processes and construction or expansion projects
• Assist operations and maintenance teams with efficient operation of pumps, wells, pipes, and other water systems
• Conduct internal water compliance audits and corrective-action follow-ups
• Develop and deliver water compliance training for employees, contractors, and supervisors
• Track regulatory changes and communicate potential impacts to management
• Support sustainability initiatives involving water balances, water recycling, and freshwater use
• Identify opportunities to reduce environmental impact and improve compliance performance
• Perform and document environmental, health, and safety audits
• Develop knowledge of CalOSHA, MSHA, and MP Materials health and safety practices
• Respond to chemical spill emergencies, including containment, cleanup, and hazardous-material disposal
• Keep facility personnel informed of environmental regulations and pending changes
• Translate environmental regulations, policies, and procedures into understandable operational terms
• Maintain knowledge of regulations applicable to air, water, and solid waste management
• Train site personnel to comply with and enforce environmental regulations and policies, emphasizing prevention and individual responsibility

Senior Engineer, Controls

Environmental Specialist, Water