> Markdown version of [/jobs/ext/3035033-network-security-engineer-network-engineer](https://www.wearedevelopers.com/jobs/ext/3035033-network-security-engineer-network-engineer). 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). --- # Network Security Engineer - Network Engineer - **Company:** Nratbacher Gmbh - **Location:** Mannheim, Germany - **Salary:** €110,000.0 - **Contract:** Permanent contract - **Skills:** Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Multi-protocol Systems, Network Architecture, Routing, Network Administration, Remote Access Technology, Systems Integration, Wide Area Networks, Transport Layer Security, Firewalls (Computer Science), Information Technology, Fortinet - **Published:** September 23, 2026 - **Apply:** https://www.stepstone.de/stellenangebote--Network-Security-Engineer-m-w-d-Network-Engineer-Mannheim-Karlsruhe-Stuttgart-Koeln-Duisburg-Ratbacher-GmbH--13821214-inline.html ## About the Role * Abgeschlossene IT-Ausbildung (z. B. Fachinformatiker/in Systemintegration), Studium der Informatik oder vergleichbare Qualifikation\n\t * Erfahrung im Firewall-Management und in Netzwerkinfrastrukturen\n\t * Kenntnisse in Routing, Switching und Netzwerkmanagement-Tools (z. B. Policy Management Tools, Monitoring-Software, Inventarisierungstools)\n\t * Erfahrung mit WAN-Technologien (MPLS, VPN, SD-WAN, WDM)\n\t * Teamfähigkeit und Kommunikationsstärke\n\t * Fließende Deutschkenntnisse\n ## Description n \n\t * Administration und Pflege von Firewall-Systemen (Fortinet, Checkpoint, Palo Alto oder vergleichbar) inklusive Regeln, Policies und NAT-Konfigurationen\n\t * Optimierung und regelmäßige Überprüfung des Firewall-Regelwerks mithilfe von Security-Management-Tools\n\t * Planung, Dokumentation und Überwachung von Firewall-Topologien sowie VPN-Verbindungen (Site-to-Site, Remote Access, SSL/IPSec)\n\t * Beratung interner Teams zu Netzwerk- und Sicherheitsfragen, insbesondere Segmentierung und Zugriffskonzepte\n\t * Koordination externer Dienstleister für Netzwerk-, Routing- und Firewall-Services\n\t * Sicherstellung der Einhaltung von Sicherheitsstandards und regulatorischen Anforderungen\n \n ## Related Videos - [WeAreDevelopers LIVE - Back to CODE100](https://www.wearedevelopers.com/videos/1909-wearedevelopers-live-back-to-code100) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) - [The Future of Recruiting: Innovations and Challenges in the European IT Sector](https://www.wearedevelopers.com/videos/1056-the-future-of-recruiting-innovations-and-challenges-in-the-european-it-sector) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) ## Related Articles - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [IT Salaries in Germany](https://www.wearedevelopers.com/magazine/287-it-salaries-in-germany) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Jobs in Germany for Americans](https://www.wearedevelopers.com/magazine/423-jobs-in-germany-for-americans) - [Where to Find German Tech Jobs](https://www.wearedevelopers.com/magazine/366-where-to-find-german-tech-jobs) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)