Holcim AG

Operational Technology Engineer

📍 6300 Zug, 6300 Zug

Rolle und Verantwortlichkeiten

The Operational Technology Engineer plays a critical role in standardizing and optimizing automation systems to capture, analyse, and leverage production data, driving operational efficiency across all industrial processes. Collaborate in 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 in line with corporate guidance with business goals, identifying emerging technology needs and establishing multi-year technical roadmaps. Drive innovation and industrial transformation: implement Plant of Tomorrow (PoT) solutions to improve efficiency, productivity, and competitiveness. Train and mentor the OT plant teams: build high-performing operational plant teams through training and development, focusing on ICS and TIS systems. Educate and advise plant 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 overall process efficiency and support decarbonization/sustainability goals. Uphold the highest standards of data quality, integrity, and confidentiality to support "Smart Operations" and advanced analytics. Collaborate with the Cybersecurity team to implement robust protective measures for OT data systems against evolving 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: protect OT systems from cyber threats and vulnerabilities through OT cybersecurity controls.

Team / Beschreibung

Holcim is the leading partner for sustainable construction, creating value across the built environment from infrastructure and industry to buildings. Headquartered in Zug, Switzerland, Holcim has more than 48,000 employees in 45 attractive markets – across Europe, Latin America, Asia, Middle East & Africa. Holcim offers high-value end-to-end Building Materials and Building Solutions, from foundations and flooring to roofing and walling – powered by premium brands including ECOPlanet, ECOPact, and ECOCycle®. As a global leader in innovative and sustainable building solutions, Holcim is enabling greener cities, smarter infrastructure and improving living standards around the world. With sustainability at the core of our strategy, we are becoming a net-zero company, with our people and communities at the heart of our success. We are driving circular construction as a world leader in recycling to build more with less. It’s all thanks to our 70,000 talented people around the world who are passionate about building progress for people and the planet through four business segments: Cement, Ready-Mix Concrete, Aggregates and Solutions & Products.

Qualifikationen und Fähigkeiten

  • 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’ 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: This includes 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, 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