Responsibility for the smooth operation, administration, and further development of the internal IT and office infrastructure, Management and security of mobile devices via Mobile Device Management (MDM) and ensuring backup and recovery processes in the server environment, Support for employees in a hybrid work environment (on-site and remote support) for hardware and software, Installation, configuration, and integration of clients, peripherals, software solutions, and web-based services, Collaboration with the parent company Deutsche Bahn in cross-company IT processes and system landscapes, Ensuring IT, security, and documentation standards, as well as support for meeting and conference technology, Efficient and cost-conscious use of hardware, software, and IT licenses