IT System Administrator - Critical Infrastructure (Rail) (m/f/d)

Plan, operate, and maintain complex IT systems in a critical infrastructure environment with high availability requirements Ensure compliance with defined Service Level Agreements (SLAs) and internal quality standards Integrate and configure IT systems into existing and new infrastructures, with a strong focus on IT/OT security Monitor system performance and proactively identify and resolve issues Support the definition, implementation, and continuous improvement of operational processes and tools Create and maintain technical documentation for systems and processes Configure, parameterize, and test IT applications in line with operational and security requirements