(Senior) Network Operations Engineer

Utimaco is an international provider of IT security solutions and cybersecurity technologies with headquarters in Aachen (Germany) and Campbell (USA). For over 40 years, we have been developing innovative solutions for the protection of people, data and communications that meet the highest standards. We are the world's leading manufacturer of hardware security modules and compliance solutions in a wide range of industries such as automotive, banking, telecommunications and many more. With our global network of partners and customers, we contribute to making digital information and infrastructures secure worldwide. Become part of our team and help us make the digital world more secure - together we are shaping the future of IT security.

Responsibilities

• 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

• 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.

Do you feel addressed? Then we look forward to receiving a meaningful application stating the earliest possible starting date and your salary expectations.

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