(Senior) Network Operations Engineer

ÜBER UTIMACO

Utimaco ist ein international tätiger Anbieter von professionellen IT-Sicherheitslösungen mit Sitz in Aachen. Seit 1983 entwickelt Utimaco Hardware Security Module und Compliance-Lösungen für Telekommunikationsanbieter im Bereich der Regulierung. In beiden Segmenten ist Utimaco ein weltweiter Marktführer. Dem Unternehmensziel, Menschen und Ideen zu schützen, haben sich über 200 Mitarbeiterinnen und Mitarbeiter verschrieben. Kunden und Partner von Utimaco schätzen die Zuverlässigkeit und die langfristige Investitionssicherheit der Utimaco-Sicherheitslösungen. Utimaco steht für anerkannte Produktqualität, Bedienerfreundlichkeit, exzellenten Support und ein marktgerechtes Angebot, hergestellt in Deutschland.

Zur Verstärkung unserer Corporate Unit suchen wir ab sofort am Standort Düsseldorf, UK, bundesweit einen:   

(Senior) Network Operations Engineer

Deine Aufgaben:

  • Configure, operate, and maintain network infrastructure, including Juniper SRX firewalls, QFX/EX switches, Fortinet FortiGate firewalls, FortiSwitches, and OPNsense firewalls, as well as Microsoft Azure networking components.
  • Implement and manage firewall policies, VPN connections (IPsec), and secure access methods following zero-trust and least-privilege principles.
  • Monitor network health, traffic, and performance using tools such as Prometheus, Grafana Loki, and OpsGenie.
  • Deploy and optimize network services such as Reverse Proxies (HAProxy, Traefik) and DNS configurations for high availability and resilience.
  • Apply Infrastructure-as-Code principles using Ansible (and optionally Terraform) for repeatable, automated network deployments and configuration management.
  • Troubleshoot and analyze network issues using Wireshark, nmap, and vendor-specific tools to ensure optimal performance and minimal downtime

Dein Profil:

  • Solid hands-on expertise in operational network engineering — configuration, troubleshooting, and lifecycle management in enterprise/global data center environments.
  • Proven experience with Juniper EX, QFX, and SRX platforms, Fortinet FortiGate firewalls, FortiSwitches, and OPNsense firewalls, plus Microsoft Azure networking.
  • Strong understanding of network protocols (BGP, OSPF, RIP), VPN technologies (IPsec), and secure network design principles.
  • Familiarity with reverse proxy services (HAProxy, Traefik), DNS management, and performance optimization techniques.
  • Proficiency in using Ansible (and optionally Terraform) for network automation, with a working knowledge of monitoring/logging tools (Prometheus, Grafana, Loki).
  • Fluent in English with excellent communication, documentation, and problem-solving skills

Wir bieten Dir:

  • An open and friendly corporate culture characterized by constructive and collaborative interaction
  • We provide you with support for your future plans with a company pension scheme (depending on country-specific circumstances).
  • Early risers and night owls - thanks to a flexible working model you can organise your working day yourself.
  • We also support you privately – benefit from special payments or additional vacation days on anniversaries or other special occasions.
  • We provide all employees with health insurance for overseas travel and private accident insurance.
  • Utimaco is growing and living diversity! Our global team includes colleagues from 42 nationalities and 45 different languages spoken.

FÜHLST DU DICH ANGESPROCHEN?

Dann freuen wir uns auf Deine aussagekräftige Bewerbung unter Angabe des frühestmöglichen Eintrittstermins und Deiner Gehaltsvorstellung.