IT Network System Engineer | System Engineer (m/w/d) IT-Network

DIEHL Informatik GmbH

Nürnberg, Mittelfranken, Bayern, Deutschland
Published Mar 11, 2026
Full-time
Permanent

Job Summary

As an IT Network System Engineer, you will be the primary point of contact for the design, operation, and hardening of security-critical network and firewall infrastructure. Your daily responsibilities involve ensuring continuous high-availability through technological and procedural adaptations, as well as transitioning new system landscapes into regular operations. You will play a critical role in security by analyzing and resolving incidents, managing patches and vulnerabilities, and performing security reviews. This position is ideal for professionals who enjoy a mix of hands-on technical troubleshooting and high-level conceptual work, such as creating technical security concepts and operating manuals. The role offers the opportunity to work with a broad spectrum of network technologies and security standards, making it an attractive career move for those looking to deepen their expertise in secure network environments and infrastructure resilience.

Required Skills

Education

Not specified

Experience

  • Professional experience in the design and operation of security-critical network and firewall infrastructure
  • Extensive experience with network technologies including Switching, Routing, VLAN, and VPN
  • Proven experience in incident and security incident management
  • Professional experience in creating technical security concepts and operational documentation
  • Experience in scripting and programming for network automation
  • Experience with security standards such as ISO 27001 or NIST

Languages

Not specified

Additional

  • This is a full-time, permanent position (Unbefristet).