OT/IT Specialist

About the role

Join Amrize as an OT/IT Specialist and help construct what's next. The successful candidate will serve as a key technical bridge between plant operations, engineering, maintenance, automation, IT, and corporate technology teams, ensuring that critical production systems remain safe, reliable, secure, and available.

Responsibilities

• Own and support the plant's OT/IT architecture, including industrial networks, servers, virtualization, storage, and communications infrastructure.
• Support and maintain PLC, DCS, SCADA, HMI, historian, MES, and plant monitoring systems.
• Maintain reliable connectivity between plant-floor OT systems and enterprise IT environments while protecting critical control systems.
• Partner with automation and electrical/instrumentation teams to troubleshoot complex control-system and communications issues.
• Develop standards for OT hardware, software, networking, system configurations, backups, and lifecycle management.
• Support integration of production, maintenance, quality, laboratory, energy, and business systems.
• Lead implementation of OT cybersecurity practices aligned with recognized industrial cybersecurity frameworks and company standards.
• Establish and maintain OT asset inventories, network segmentation, access controls, secure remote access, vulnerability management, and system hardening.
• Monitor OT environments for cybersecurity risks and coordinate incident response with corporate IT/security teams.
• Ensure appropriate backup, disaster recovery, and business-continuity capabilities for critical plant systems.
• Evaluate cybersecurity implications of new automation equipment, vendors, software, and plant projects.
• Improve the collection, availability, integrity, and use of plant production and process data.
• Support historians, data platforms, dashboards, analytics, and reporting systems used for operational decision-making.
• Work with process engineers and operations personnel to identify opportunities for predictive maintenance, process optimization, energy reduction, reliability improvement, and digital transformation.
• Help establish reliable data flows from field devices and control systems through plant systems and into enterprise analytics platforms.
• Provide advanced troubleshooting for production-critical OT/IT systems.
• Analyze recurring failures and implement permanent corrective actions.
• Develop preventive and predictive maintenance strategies for OT infrastructure.
• Maintain system documentation, network diagrams, configuration records, recovery procedures, and technical standards.
• Participate in capital projects, system upgrades, equipment commissioning, and technology modernization initiatives.
• Manage vendors, contractors, and system integrators as required.
• Work closely with systems supporting key cement manufacturing processes, including raw material handling and crushing, raw milling and raw material preparation, kiln and pyroprocessing operations, clinker production and handling, finish grinding and cement milling, material conveying and storage, packing and shipping, environmental monitoring and