Senior OT Infrastructure Engineer

Company Overview:

MP Materials (NYSE: MP) is rebuilding American industrial capability for a new era of autonomy, robotics, and electrification.

We are the only U.S. company with a fully integrated rare earth supply chain—from mining and refining to advanced metal and magnet manufacturing. Our products include both the critical materials used to make permanent magnets and the finished magnets themselves—enabling next-generation technologies in robotics, automation, aerospace, transportation, defense, and energy systems. These materials are the foundation of physical AI—the convergence of computation, movement, and control.

We hire ambitious, mission-driven people who want to tackle complex challenges and shape the future of strategic industries. Our culture is rooted in teamwork, resiliency, and integrity, with a deep commitment to operational excellence and national purpose. MP is rapidly evolving from a materials producer into a leading U.S. manufacturer—and our people are driving that transformation.

Position Overview:

We are seeking an experienced Senior OT Infrastructure Engineer to join our Information Technology / Operational Technology team. This is a highly technical, hands-on role responsible for the administration, reliability, and security of our industrial control systems (ICS) and supporting IT infrastructure across our processing and manufacturing facilities.

The ideal candidate brings deep expertise in SCADA environments and understands the unique operational and security demands of industrial settings. They will serve as a subject matter expert bridging IT and OT disciplines, ensuring continuous availability of critical systems while maintaining appropriate security posture across the Purdue Model network architecture.

This role requires on-call availability for critical system events, occasional off-hours maintenance windows, and travel between facilities as needed.

Position Responsibilities:

SCADA & OT Systems Administration

• Administer and maintain Windows-based SCADA server infrastructure across plant and remote site environments; coordinate with OT Engineering and Controls teams for support and integration of PLC, HMI, DCS, and field device configurations
• Manage and administer Aveva PI (OSIsoft PI) systems including server installation, interface configuration, data archiving, data integration and data acquisition for enterprise analytics.
• Administer Thin Manager environments including terminal server configuration, session management, and thin client deployment
• Coordinate with OT/Controls teams on PLC/DCS communications, OPC-UA/DA server configurations, and SCADA data integrations; provide server-side support while OT Engineering retains ownership of control system components
• Coordinate with the Network team on Purdue Model network segmentation, DMZ architecture, and inter-zone communication policies; ensure SCADA server configurations align with network security requirements
• Coordinate system changes and patching within OT change management processes to minimize production impact

Virtualization & Infrastructure

• Administer Nutanix hyperconverged infrastructure and AHV virtualization platform including VM lifecycle management, cluster operations, Prism management, and capacity planning; develop and maintain standard VM image baselines, deployment templates, and configuration standards to ensure consistency across environments
• Manage Veeam backup infrastructure: job configuration, scheduling, monitoring, and data recovery operations for both IT and OT workloads
• Own and administer Windows Server infrastructure supporting SCADA and OT environments including installation, configuration, application support, software lifecycle management, and ongoing operational support
• Develop, maintain, and regularly test disaster recovery plans for SCADA and OT server environments; define RPO/RTO objectives, document recovery procedures, and coordinate DR exercises with operations and IT leadership
• Perform server builds, OS deployments, and application installations across physical and virtual environments
• Monitor infrastructure health, performance, and capacity; respond to alerts and proactively address potential issues
• Perform patching, firmware updates, and maintenance of Windows servers and server applications within approved OT change windows; coordinate with the Network team for network device maintenance

Identity, Security & Compliance

• Administer Active Directory and Group Policy in OT/IT environments; manage user accounts, OUs, GPO design, and access permissions
• Apply and maintain security hardening standards for Windows Server in OT contexts (CIS benchmarks adapted for industrial use)
• Support ICS cybersecurity initiatives aligned with NIST SP 800-82 and IEC 62443 frameworks
• Support and administer secure remote access solutions for OT environments; coordinate with network and security teams on access policies and ZScaler integration for remote connectivity to SCADA systems
• Monitor systems for security events and support incident response for OT/ICS environments
• Provide cybersecurity awareness and situational briefings to operations and management staff

Documentation, Standards & Support

• Develop and maintain technical documentation including network diagrams, SOPs, and system configuration records
• Maintain and update IT/OT asset inventory and system change logs
• Serve as escalation resource for OT-related technical support issues
• Collaborate with operations, engineering, and IT teams to evaluate and implement technology improvements
• Manage vendor relationships and open support cases with third-party vendors (Aveva, Nutanix, Veeam, Rockwell, Siemens, etc.)
• Perform scripting and task automation using PowerShell and/or Python to streamline routine administrative tasks
• Provide after-hours and on-call support for critical system events as required

OT Infrastructure Design & Greenfield Planning

• Serve as the OT infrastructure subject matter expert in the design and buildout of a new Fort Worth, TX facility; collaborate with Process Engineering, Controls/OT Engineering, and IT to develop the OT server and systems architecture from the ground up
• Provide design and architecture recommendations for OT server infrastructure, virtualization platform, historian deployment, and SCADA server topology aligned with process requirements and security best practices
• Translate process engineering and operational requirements into scalable, standards-based OT infrastructure designs; ensure proposed solutions align with the Purdue Model, established security frameworks, and organizational IT standards
• Develop infrastructure standards, bill-of-materials recommendations, and technical specifications for new facility OT systems; coordinate with vendors and integrators to ensure designs meet operational and security requirements
• Participate in project planning, design reviews, and commissioning activities for the new facility; serve as a technical resource bridging IT, OT, and Process Engineering throughout the project lifecycle

Basic Qualifications:

• 7+ years of experience in systems administration, with at least 3 years in an OT/SCADA or industrial IT environment
• Hands-on experience with Nutanix hyperconverged infrastructure and AHV virtualization platform administration
• Proven experience installing, configuring, and administering Aveva PI (OSIsoft PI) systems including interfaces, archives, and Historian performance
• Proficiency with Veeam Backup & Replication including job configuration, monitoring, and recovery operations
• Strong Active Directory and Group Policy administration skills including OU design, GPO creation, and access management
• Experience with Thin Manager administration and thin client/terminal server environments
• Working knowledge of the Purdue Model (ISA-95) and OT/IT network segmentation principles
• Familiarity with industrial networking protocols such as OPC-UA, Modbus TCP, DNP3, or EtherNet/IP
• Experience with Windows Server (2016/2019/2022) administration and hardening in OT contexts
• Understanding of ICS/SCADA cybersecurity frameworks (NIST SP 800-82, IEC 62443)
• Proficiency with PowerShell scripting for automation and systems management
• Strong problem-solving skills with ability to work methodically in high-stakes production environments
• Excellent written and verbal communication skills; ability to document technical procedures clearly
• Self-directed, highly motivated, and able to manage competing priorities independently
• Demonstrated experience contributing to OT or IT infrastructure design and architecture, including participation in new facility buildouts, system expansions, or major technology deployments in an industrial environment; ability to work cross-functionally with engineering, operations, and IT stakeholders to develop and deliver infrastructure solutions

Desired Qualities:

• Experience with additional SCADA/HMI platforms such as Ignition (Inductive Automation), GE iFIX, Aveva System Platform, Wonderware, or FactoryTalk View
• Experience with ZScaler Zero Trust Network Access (ZTNA) for secure remote access; familiarity with ZScaler Private Access (ZPA) in OT or hybrid IT/OT contexts is a plus
• Experience managing PI AF (Asset Framework) and PI Vision or equivalent historian visualization tools
• Relevant certifications: Nutanix NCA/NCP, Aveva PI certifications, Veeam VMCA, CompTIA CySA+, or GICSP
• Experience with SIEM or log management tools in an OT context
• Familiarity with LAN/WAN concepts including switching, routing, VLANs, and firewall platforms; experience with Palo Alto Networks NGFWs preferred; ability to coordinate with network team on troubleshooting and change requests
• Experience or familiarity with Nozomi Networks for OT/ICS asset visibility and anomaly detection
• Experience or familiarity with CrowdStrike Falcon for endpoint detection and response (EDR), including deployment and management in OT-adjacent Windows environments

MP Materials is Proud to be an Equal Opportunity / Affirmative Action Employer

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. Underrepresented groups/Women/Disabled/Veterans are encouraged to apply. Candidates whose disabilities make them unable to meet the position’s requirements will still be considered qualified if they can perform the essential functions of the job with reasonable accommodation.

Your Right to Work – In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment verification document form upon hire.

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