June 8, 2026

Senior Netzwerk‑ & Security‑Spezialist (m/w/d)

Senior • Hybrid

Gilching, BY, Germany

Einführung & Zusammenfassung

Wir suchen einen erfahrenen Senior Network Engineer (m/w/d) mit Schwerpunkt Enterprise Networks und Firewalls. In dieser Rolle sind Sie verantwortlich für den Betrieb, die Analyse und die Weiterentwicklung komplexer Netzwerkinfrastrukturen in hochsicheren und regulierten Umgebungen. Der ideale Kandidat verfügt über fundierte Kenntnisse in modernen Netzwerkarchitekturen, bringt ein ausgeprägtes Verständnis für Sicherheits- und Segmentierungskonzepte mit und arbeitet lösungsorientiert sowie eng mit interdisziplinären Teams zusammen.

Aufgaben

  • Betrieb und Analyse komplexer Netzwerke

  • Arbeit mit Switches, Routern und Firewalls

  • Umsetzung von Segmentierungs‑ und Sicherheitskonzepten

  • Verständnis und Einsatz von Spanning‑Tree‑Mechanismen

  • Mitarbeit in hochregulierten und sicherheitskritischen Umgebungen

Anforderungen

  • Mehrjährige Erfahrung als Network Engineer oder Netzwerkadministrator

  • Fundierte Kenntnisse in Enterprise-Netzwerken (z. B. Aruba oder vergleichbare Hersteller)

  • Sehr gutes systemisches Verständnis von Netzwerkarchitekturen und -protokollen

  • Erfahrung im Umgang mit Netzwerk-Sicherheitslösungen und Firewalls

  • Strukturierte und analytische Arbeitsweise

  • Fließende Deutschkenntnisse (mind. C1)

  • Teamfähigkeit sowie eine selbstständige und lösungsorientierte Arbeitsweise

Sonstige Details

Aufgrund der Tätigkeit in sicherheitskritischen Umgebungen kann eine Sicherheitsüberprüfung SÜ2 erforderlich sein.

Wir freuen uns auf Ihre Bewerbung!

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Remote

Warsaw, Poland

🏢 Summary: Remote Network & Security Engineer role focused on designing, deploying, and supporting secure multisite network infrastructures with high availability and resilience. The position involves implementing SASE, SD-WAN, Zero Trust segmentation, and modernizing LAN/WAN environments while ensuring operational continuity. The engineer will also handle advanced troubleshooting and Level 2/3 support across distributed environments. 🗂️ Requirements: Minimum 7 years of experience in Network/Security engineering, Strong expertise in network security and firewall administration, Solid knowledge of routing and switching (VLAN, STP, OSPF/BGP), Experience with multisite architectures and WAN interconnections, Proven experience deploying end-to-end network and security solutions, Ability to provide Level 2/3 support for complex incidents, Experience delivering technical projects in multi-site environments, Proficiency with monitoring tools and flow analysis 📃 Skills: SASE, SD-WAN, LAN, WAN, VLAN, STP, OSPF, BGP, VPN, Wi-Fi, Firewall, ZeroTrust, Microsegmentation, Switching, Routing, Monitoring 🏢 Description: Project Information: Work model: remote Onboarding: onside (France) Salary range: up to 260€/day on B2B We’re looking for a Network & Security Engineer ready to operate at the core of a distributed, multisite infrastructure with high expectations around availability, resilience, and cybersecurity . You will play a key role in evolving network architectures, securing interconnections, managing firewalls, and deploying technical solutions across all our locations. Main Responsibilities Participate in the deployment and go-live of new network & security solutions (SASE) . Implement new sites, migrate legacy architectures, modernize LAN/WAN, deploy Zero Trust segmentation . Contribute to major projects: SD-WAN, micro-segmentation, secure Wi-Fi enhancement , etc. Produce high-quality documentation: project docs, procedures, operational guides, failover plans. Handle Level 2/3 support for complex network and security incidents. Ensure operational continuity for infrastructures (switching, routing, Wi-Fi, VPN, security). Maintain configuration consistency across all sites. Key Requirements Strong expertise in network security and firewall administration . Solid command of routing & switching : VLAN, STP, OSPF/BGP (preferred). Deep understanding of multisite architectures and WAN interconnections . Proven experience deploying end-to-end network & security solutions . Mastery of monitoring tools, flow analysis, and advanced troubleshooting. Minimum 7 years in a Network/Security engineering role. Hands-on experience delivering technical projects, ideally in multi-site environments .