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 AdministrationAdminister 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 configurationsManage 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 deploymentCoordinate 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 componentsCoordinate with the Network team on Purdue Model network segmentation, DMZ architecture, and inter-zone communication policies; ensure SCADA server configurations align with network security requirementsCoordinate system changes and patching within OT change management processes to minimize production impactVirtualization & InfrastructureAdminister 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 environmentsManage Veeam backup infrastructure: job configuration, scheduling, monitoring, and data recovery operations for both IT and OT workloadsOwn and administer Windows Server infrastructure supporting SCADA and OT environments including installation, configuration, application support, software lifecycle management, and ongoing operational supportDevelop, 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 leadershipPerform server builds, OS deployments, and application installations across physical and virtual environmentsMonitor infrastructure health, performance, and capacity; respond to alerts and proactively address potential issuesPerform patching, firmware updates, and maintenance of Windows servers and server applications within approved OT change windows; coordinate with the Network team for network device maintenanceIdentity, Security & ComplianceAdminister Active Directory and Group Policy in OT/IT environments; manage user accounts, OUs, GPO design, and access permissionsApply 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 frameworksSupport 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 systemsMonitor systems for security events and support incident response for OT/ICS environmentsProvide cybersecurity awareness and situational briefings to operations and management staffDocumentation, Standards & SupportDevelop and maintain technical documentation including network diagrams, SOPs, and system configuration recordsMaintain and update IT/OT asset inventory and system change logsServe as escalation resource for OT-related technical support issuesCollaborate with operations, engineering, and IT teams to evaluate and implement technology improvementsManage 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 tasksProvide after-hours and on-call support for critical system events as requiredOT Infrastructure Design & Greenfield PlanningServe 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 upProvide design and architecture recommendations for OT server infrastructure, virtualization platform, historian deployment, and SCADA server topology aligned with process requirements and security best practicesTranslate 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 standardsDevelop 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 requirementsParticipate 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 lifecycleBasic Qualifications:7+ years of experience in systems administration, with at least 3 years in an OT/SCADA or industrial IT environmentHands-on experience with Nutanix hyperconverged infrastructure and AHV virtualization platform administrationProven experience installing, configuring, and administering Aveva PI (OSIsoft PI) systems including interfaces, archives, and Historian performanceProficiency with Veeam Backup & Replication including job configuration, monitoring, and recovery operationsStrong Active Directory and Group Policy administration skills including OU design, GPO creation, and access managementExperience with Thin Manager administration and thin client/terminal server environmentsWorking knowledge of the Purdue Model (ISA-95) and OT/IT network segmentation principlesFamiliarity with industrial networking protocols such as OPC-UA, Modbus TCP, DNP3, or EtherNet/IPExperience with Windows Server (2016/2019/2022) administration and hardening in OT contextsUnderstanding of ICS/SCADA cybersecurity frameworks (NIST SP 800-82, IEC 62443)Proficiency with PowerShell scripting for automation and systems managementStrong problem-solving skills with ability to work methodically in high-stakes production environmentsExcellent written and verbal communication skills; ability to document technical procedures clearlySelf-directed, highly motivated, and able to manage competing priorities independentlyDemonstrated 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 solutionsDesired Qualities:Experience with additional SCADA/HMI platforms such as Ignition (Inductive Automation), GE iFIX, Aveva System Platform, Wonderware, or FactoryTalk ViewExperience 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 plusExperience managing PI AF (Asset Framework) and PI Vision or equivalent historian visualization toolsRelevant certifications: Nutanix NCA/NCP, Aveva PI certifications, Veeam VMCA, CompTIA CySA+, or GICSPExperience with SIEM or log management tools in an OT contextFamiliarity 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 requestsExperience or familiarity with Nozomi Networks for OT/ICS asset visibility and anomaly detectionExperience or familiarity with CrowdStrike Falcon for endpoint detection and response (EDR), including deployment and management in OT-adjacent Windows environmentsMP Materials is Proud to be an Equal Opportunity / Affirmative Action EmployerAll 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.For Assistance with Application - Alternative methods of applying for employment are available to individuals unable to submit an application through this site because of a disability. Contact Human Resources Department at 702-844-6111; dial 7 when prompted for HR; 1700 South Pavilion Center Dr. 8th Floor, Las Vegas, NV 89135 to discuss reasonable accommodation.