Senior IT Systems Administrator Datacenter | (erfahren) IT-Systemadmin (m/w/d) Datacenter – Mobile Office

Job Summary

As a Senior IT Systems Administrator for the Geiger Group, you will be responsible for the operational management of a modern datacenter infrastructure across more than 100 locations. Your daily activities will include overseeing compute, virtualization, storage, backup, and monitoring systems to ensure high availability. You will perform lifecycle management, patching, and maintenance while troubleshooting complex technical issues. A significant part of the role involves coordinating with external service providers and contributing to infrastructure modernization projects. This position is ideal for technical professionals who value a strong team culture and a healthy work-life balance, as it offers flexible working hours and mobile office options. You will play a key role in maintaining operational documentation and runbooks, ensuring that the IT environment remains secure, efficient, and future-ready within a diverse business group.