System Administrator | System Administrator (m/w/d)

Job Summary

This role seeks an experienced System Administrator to manage, maintain, and strategically develop a heterogeneous IT infrastructure. Key responsibilities involve the administration of core IT services, including Active Directory, Microsoft 365, and Microsoft Entra ID, across Windows Server, Windows Client, and Linux environments. The administrator will be crucial in the conceptual planning and expansion of the IT infrastructure, evaluating new technologies, and driving modernization efforts. A significant part of the role includes automating administrative tasks using PowerShell and Bash/Shell scripting, managing network infrastructure (firewalls, DNS), and ensuring robust IT security. This position requires proactive thinking, strong problem-solving skills, and the ability to collaborate effectively with external service providers to integrate new business applications and database solutions.