(Senior) Network Operations Engineer

ABOUT UTIMACO

Utimaco is a worldwide supplier of professional cyber-security solutions and is based in Aachen, Germany. Since 1983, Utimaco develops hardware security modules and compliance solutions for telecommunication provider regulations. Utimaco is a world-market leader in both segments. Customers and parters of Utimaco in all parts of the world trust the company's long-term, proven reliability and investments protection, as well as its many certified IT security standards. Utimaco stands for recognizes product quality, user-friendly software, excellent support and trusted high security-made in Germany. 

To further strengthen our Corporate Unit we are looking for a:   (Senior) Network Operations Engineer

Your tasks:

  • 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

Your profile:

  • 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

We offer you:

  • 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.

DO YOU FEEL ADDRESSED?

Then we look forward to receiving your detailed application stating your earliest possible starting date and your salary expectations.

Apply