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# Senior Windows Systemadministrator

- **Company:** Amadeus FiRe AG
- **Location:** Hannover, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €70,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Cyber Security, Information Systems, Windows Servers, Microsoft SharePoint, System Availability, Information Technology
- **Published:** August 12, 2026
- **Apply:** https://www.adzuna.de/details/5837631222

## About the Role

* Abgeschlossene IT-Ausbildung, Studium im IT-Bereich oder vergleichbare Qualifikation
 * Mehrjährige praktische Erfahrung in der Administration von Windows-Server-Umgebungen
 * Sehr gute Kenntnisse in Active Directory, Group Policy und Windows Server Administration
 * Erfahrung im Microsoft-365-Umfeld (Exchange Online, Teams, SharePoint, Entra ID)
 * Erfahrung im Troubleshooting von Windows- und Microsoft-Infrastrukturen
 * Sehr gute Deutschkenntnisse

## Description

* Installation, Konfiguration und Betrieb von Windows Server-Systemen
 * Administration und Weiterentwicklung der Microsoft-Infrastruktur, insbesondere Active Directory, Group Policies und Windows Server
 * Implementierung, Verwaltung und Support von Microsoft-365-Lösungen wie Exchange Online, Teams oder Entra ID
 * Analyse und Behebung von Störungen im Windows- und Microsoft-365-Umfeld im 2nd- und 3rd-Level-Support
 * Sicherstellung der Systemverfügbarkeit sowie Unterstützung bei Maßnahmen zur IT-Sicherheit
 * Planung und Durchführung von Systemupdates und Patchmanagement
 * Dokumentation der Systemlandschaft sowie Pflege technischer Betriebsdokumentationen
 * Zusammenarbeit mit internen Teams und externen Dienstleistern


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