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# Senior IT-Administrator

- **Company:** DIS AG
- **Location:** Mannheim, Germany (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Wireless LAN, Server Applications, Dynamic Host Configuration Protocol, Domain Name System (DNS), Microsoft SQL Server, Network Architecture, Routing, Systems Integration, Virtual Local Area Networks, Enterprise Software Applications, Information Technology, Operational Systems, Cisco
- **Published:** August 4, 2026
- **Apply:** https://www.adzuna.de/details/5826654179

## About the Role

* Abgeschlossene Ausbildung im Bereich Fachinformatik für Systemintegration oder vergleichbare Ausbildung

Mehrjährige Berufserfahrung in der Konzeption und Administration von Microsoft Netzwerken
Teamfähigkeit, Lernbereitschaft, schnelle Auffassungsgabe sowie eine selbstständige Arbeitsweise
Sehr gute Kenntnisse in der Administration von Microsoft SQL-Servern und der Inbetriebnahme von Microsoft Windows Client und serverbasierten Arbeitsumgebungen sowie Netzwerkinfrastrukturen (AD, DNS, DHCP, Berechtigungsstrukturen)
Kenntnisse im Routing, Switching, bei VLANs und WLAN-Architekturen (idealerweise Cisco)
Kenntnisse von virtuellen Systemen

## Description

* Administration und Betrieb von virtuellen System- und Anwendungsservern

Analyse, Design und Optimierung unseres Microsoft Netzwerks (Microsoft SQL Server)
Überwachung im Bereich IT-Infrastruktur
Aufnahme, Dokumentation und Qualifizierung von Störungen, Service-Anfragen, Problemen und Änderungen im Ticketsystem (Matrix 42)
Administration der SQL Server und der damit verbundenen Systeme sowie Anwendungen
Erstellung von Softwarepaketen, Betriebssystem-Images und Administration des Client Management-Systems /Empirum
Gelegentliche Reisetätigkeit innerhalb der Organisation


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