(Senior) Network Operations Engineer

Düsseldorf, North Rhine-Westphalia, Germany • Posted May 24, 2026

Job Type: Full-time

Location: Düsseldorf, North Rhine-Westphalia

Posted: May 24, 2026

Category: Computer Occupations

Application Deadline: July 03, 2026

Role Description

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
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