RHI Magnesita GmbH makes the materials that survive the harshest conditions on earth: refractory products engineered for temperatures exceeding 2,000 degrees Celsius. This is the critical lining inside blast furnaces, cement kilns, and glass plants - the kind of industrial infrastructure where a failure isn't a bug report, it's a catastrophic operational event. Headquartered in Vienna, the company operates 35 main production and raw materials sites, maintains over 70 sales offices, and ships to customers in 180 countries. Its products are embedded in the steel, cement, glass, lime, non-ferrous metals, energy, and chemical industries.
The cybersecurity threat model here is physical-world adjacent. The attack surface spans a sprawling, geographically distributed operational technology (OT) environment - not just corporate IT but the control systems running high-temperature industrial processes. The 4PRO strategy prioritizes innovation, safety, and sustainability, which maps to a security mandate that protects both digital assets and the physical integrity of manufacturing operations. Expect to work at the intersection of industrial control system (ICS) security, supply chain risk, and protecting intellectual property tied to materials engineering and refractory technology - a domain where the data is proprietary and the consequences of compromise are measured in more than downtime.






