Senior Network Operations Engineer

Utimaco Location Not Available

Stellenbeschreibung:

Network Security Engineer (m/w/d) - Wuppertal

Location: Wuppertal, North Rhine-Westphalia, Germany

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. Join our team and help us make the digital world more secure – together we are shaping the future of IT security.

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.

Requirements

Solid hands‑on expertise in operational network engineering – configuration, troubleshooting, and lifecycle management in enterprise/global data centre 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 optimisation 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.