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# IT-Netzwerkadministrator - Köln

- **Company:** Aschert & Bohrmann GmbH
- **Location:** Köln, Germany (Remote available)
- **Contract:** Permanent contract
- **Skills:** Active Directory, Virtual Private Networks (VPN), Network Security, Windows Servers, Network Administration, Systems Integration, TCP/IP, Virtual Local Area Networks, Virtualization Technology, Wide Area Networks, Software Distribution, Firewalls (Computer Science), Information Technology
- **Published:** September 9, 2026
- **Apply:** https://aschert-bohrmann.de/jobs.php?refnr=372951

## About the Role

Abgeschlossene Ausbildung im IT-Bereich, z.?B. Fachinformatiker (m/w/d) Systemintegration Fundierte Kenntnisse in Netzwerktechnik (LAN/WAN, TCP/IP, VLAN, Firewall-Management) Erfahrung mit Windows-Server-Umgebungen, Active Directory und Virtualisierung Strukturierte Arbeitsweise, Teamfähigkeit und Serviceorientierung Gute Deutsch- und idealerweise Englischkenntnisse

## Description

Betreuung, Wartung und Weiterentwicklung der Netzwerk- und IT-Infrastruktur Verwaltung von Firewalls, Routern, Switches und VPN-Verbindungen Überwachung von Systemen und Netzwerksicherheit (inkl. Troubleshooting und Monitoring) Unterstützung beim Rollout von IT-Projekten sowie im Second-Level-Support Dokumentation und Pflege von Netzwerkkonfigurationen und Sicherheitsrichtlinien


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