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The Operational Technology Engineer is a specialized strategic role focused on the design, deployment, standardisation, and governance of Industrial Control Systems (ICS) and Manufacturing Execution Systems (MES), internally identified as Technical Information Systems (TIS). Acting as the bridge between TIS, ICS, and ERP, this role ensures the integrity, cyber-resilience, and continuous availability of operational data across the global organization. The position drives automation and digital transformation by serving high-fidelity data to advanced analytics, IIoT platforms, and optimization tools.

Tasks

  • Collaborate to define and implement corporate-wide ICS/TIS standards to ensure global consistency in KPIs, reporting structures, and data architecture across 100+ plants.
  • Align OT strategy with corporate guidance and business goals, identifying emerging technology needs and establishing multi-year technical roadmaps.
  • Drive innovation and industrial transformation by implementing Plant of Tomorrow (PoT) solutions to improve efficiency, productivity, and competitiveness.
  • Train and mentor OT plant teams, focusing on ICS and TIS systems, and educate on OT-related risks and opportunities.
  • Support the product roadmap for new functionalities and features within the PCS/MES ecosystem.
  • Design and maintain robust interfaces between the shop floor (PCS/DCS), laboratory (LIMS), and business layers (SAP).
  • Support the full lifecycle of ICS/MES deployments, from initial site assessment and vendor coordination to post-go-live support and version upgrades.
  • Ensure reliability of the ICS/TIS environment, coordinating with IT and external vendors.
  • Develop, optimize, and troubleshoot industrial data communication protocols and networking standards (e.g., Modbus, OPC UA/DA/HDA).
  • Optimize production data streams to improve process efficiency and support decarbonization/sustainability goals.
  • Uphold high standards of data quality, integrity, and confidentiality to support Smart Operations and advanced analytics.
  • Collaborate with the Cybersecurity team to implement protective measures for OT data systems against cyber threats.
  • Maintain comprehensive documentation for data architecture and standard operating procedures (SOPs).
  • Design and execute global training programs to upskill plant-level PCS, TIS, PIMS, and LIMS champions.
  • Manage a centralized corporate knowledge base, including engineering standards, operational manuals, and troubleshooting guides.
  • Influence senior stakeholders and plant management to ensure buy-in for digital initiatives and technical standards.
  • Work cross-functionally with Maintenance, Process/Production, Quality Control, Corporate IT, and PM&E to ensure end-to-end system integration and alignment.
  • Oversee site-level OT performance, ensuring smooth, secure, and efficient multi-plant operations.
  • Implement and enforce cybersecurity measures to protect OT systems from cyber threats and vulnerabilities.

Requirements

  • MS or PhD in Electrical, Electronic, or Automation Engineering (preferred).
  • ISA/IEC 62443 OT cybersecurity certificate.
  • 3 years’ experience as plant automation/systems engineer for process industry.
  • 3 years’ experience in managing industrial data systems (Historians, MES) and industrial networking.
  • 3 years’ experience in cement (advantage).
  • Deep understanding of OT systems in the process industry, including industrial control systems, SCADA systems, distributed control systems (DCS), programmable logic controllers (PLCs), and manufacturing execution systems.
  • Understanding of OT security threats, vulnerabilities, and mitigation strategies.
  • Familiarity with security frameworks and standards like IEC 62443.
  • Knowledge of industrial networking protocols like Ethernet/IP, Profinet, Modbus, and OPC UA.
  • Knowledge of cloud platforms and IoT technologies relevant to industrial environments.
  • Experience with JavaScript and prototyping languages such as Python.
  • In-depth understanding of continuous cement manufacturing processes, instrumentation, and sensor technologies.
  • English (technical fluency critical).
  • Spanish, German, and French are an advantage.
  • 30% international traveling worldwide.

Benefits

  • Hybrid work contract.
  • Subsidized child care and paid maternity/paternity leave.
  • Company-sponsored training and professional development.
  • Subsidized meals, exclusive discounts, and company gifts for special occasions.
  • Long-service awards.
  • Employee referral bonus.
  • Access to a comprehensive pension fund and an employee savings scheme.
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Über uns
Holcim ist ein international tätiges Schweizer Industrieunternehmen mit Sitz in Zug und spezialisiert auf Baustoffe sowie Lösungen für nachhaltiges Bauen. Das Unternehmen entwickelt, produziert und vertreibt Zement, Beton, Zuschlagstoffe und innovative Bau- und Systemlösungen für Infrastruktur- und Bauprojekte. Holcim ist weltweit tätig und deckt die gesamte Wertschöpfung im Bereich Bau und Baustoffe ab.
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