(Senior) Network Operations Engineer

• 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

• 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

• 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.
• Utimaco is growing and living diversity! Our global team includes colleagues from 42 nationalities and 45 different languages spoken.

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.