> Markdown version of [/jobs/ext/1666820-it-systemadministrator-mit-schwerpunkt-netzwerktechnik-firewalls](https://www.wearedevelopers.com/jobs/ext/1666820-it-systemadministrator-mit-schwerpunkt-netzwerktechnik-firewalls). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# IT-Systemadministrator mit Schwerpunkt Netzwerktechnik & Firewalls

- **Company:** NEXPERTO GmbH
- **Location:** Kempten (Allgäu), Germany
- **Contract:** Permanent contract
- **Skills:** Wireless LAN, Backup Devices, Dynamic Host Configuration Protocol, Domain Name System (DNS), Virtual Private Networks (VPN), Network Architecture, Routing, Paessler Router Traffic Grapher, TCP/IP, Virtual Local Area Networks, Zabbix, Firewalls (Computer Science), Routing & Switching
- **Published:** July 22, 2026
- **Apply:** https://www.adzuna.de/details/5802960225

## About the Role

* Tiefes Verständnis von TCP/IP, Routing, VLANs, DHCP, DNS, VPN, NAT, Firewall-Regeln
 * Erfahrung mit Next-Gen-Firewalls, idealerweise Zertifizierungen (Watchguard o. ä.)
 * Gute Kenntnisse in der Konfiguration von Switches, WLAN-Controllern, Monitoring-Tools (z. B. PRTG, Zabbix)
 * Du liebst es, Netzwerke sauber und sicher zu bauen, nicht nur irgendwie zum Laufen zu bringen
 * Du arbeitest präzise, dokumentierst strukturiert und tickst vorausschauend
 * Du denkst in Lösungen, nicht in Workarounds

## Description

* Du verantwortest die Netzwerkinfrastruktur unserer Kunden - von Konzeption bis Betrieb
 * Du administrierst Firewalls und Security-Gateways
 * Du implementierst Segmentierungen, VPN-Lösungen, Site2Site-Tunnel und Zero-Trust-Strukturen
 * Du planst, konfigurierst und betreust Netzwerkinfrastrukturen, insbesondere Routing und Switching
 * Du automatisierst Dokumentation & Konfigurations-Backups, um eine schnelle Wiederherstellung im Ernstfall sicherzustellen
 * Du erkennst Sicherheitslücken proaktiv und denkst wie ein Angreifer
 * Du betreust Kunden sowohl vor Ort als auch remote, stets lösungsorientiert, verbindlich und professionell


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