System Administrator (Microsoft & Cloud Infrastructure) | Systemadministrator (m/w/d) Microsoft & Cloud- Infrastruktur

Job Summary

This role is for an experienced System Administrator specializing in Microsoft and Cloud Infrastructure, responsible for managing the complete IT environment for clients, typically supporting up to 100 users. Key daily tasks include comprehensive on-site troubleshooting, identifying and resolving system disturbances, implementing system installations, and performing critical upgrades and migrations. The administrator will also be responsible for collaborating with external partners to realize new IT solutions and maintaining up-to-date technical, policy, and user documentation. Candidates must bring a strong background in network administration, especially in environments requiring high cybersecurity standards. Required qualifications include a relevant IT Specialist certification or equivalent, coupled with at least three years of professional experience. Expertise in Windows Server/Client, VmWare, storage, firewalls, and modern cloud/on-premises architectures is essential. This is a permanent position based in Cologne, offering a modern and attractive work environment.