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# Senior IT Systemadministrator Network & Security

- **Company:** DIS AG
- **Location:** Mannheim, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €50,000.0 - €65,000.0
- **Contract:** Permanent contract
- **Skills:** Network Security, Network Architecture, Routing, Systems Integration, ARUBA, Firewalls (Computer Science), Information Technology, Fortinet, Cisco
- **Published:** July 19, 2026
- **Apply:** https://www.adzuna.de/details/5803014851

## About the Role

* Erfolgreich abgeschlossene Ausbildung im IT-Bereich, z.B. als Fachinformatiker
für Systemintegration, oder ein abgeschlossenes IT-Studium, z.B. in (Wirtschafts-)Informatik oder angewandter Informatik, oder eine vergleichbare Qualifikation

Umfassende Erfahrung mit Sicherheitskonzepten im Netzwerkbereich sowie deren Implementierung
Vertrautheit mit Produkten von Herstellern wie Sophos, Fortinet, HPE/Aruba oder Cisco

## Description

* Planung und Leitung von IT-Projekten

Fehlerbehebung auf 2nd- und 3rd-Level sowie Bearbeitung von Unterstützungsanfragen
Entwicklung, Betreuung und Optimierung der Netzwerkinfrastruktur sowie der Firewall-, Routing- und Sicherheitslösungen für unsere Kundschaft
Installation und Konfiguration von Netzwerk- und Firewall-Komponenten im Rahmen von Änderungen und Onboarding-Prozessen


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