OT Infrastructure Administrator with Advanced Network Knowledge | Informatiker (m/w/d)

Job Summary

This role involves supporting and developing complex IT/OT (Information Technology/Operational Technology) environments at the Mülheim an der Ruhr location. The Infrastructure Administrator will be responsible for the planning, setup, configuration, administration, and maintenance (including patch management) of both Windows and Linux server environments. A significant part of the job focuses on building and operating LAN/WLAN networks, specifically utilizing Cisco SD-Access within production environments, and managing incidents through detailed fault analysis. Candidates must possess a degree in Computer Science, Electrical Engineering, or a related field, coupled with several years of proven experience managing complex IT/OT infrastructures. Expertise in server/client operating systems, storage (FC-SAN), virtualization (Hyper-V/KVM), and backup solutions (Commvault) is essential. The position requires strong communication skills, an understanding of IT security threats, and a proactive, service-oriented approach to optimizing systems and processes, including participation in implementation projects.