Network Specialist – Infrastructure & Security | Netzwerk-Spezialist (m/w/d) – Infrastructure & Security

HWK Köln

Köln, Nordrhein-Westfalen, Deutschland
Published Mar 5, 2026
Full-time
Permanent

Job Summary

This full-time role involves the planning, operation, and continuous development of network and security infrastructure within a professional IT team. As a Network Specialist, you will be responsible for the administration and monitoring of LAN, WAN, WLAN, firewall, and VPN systems. A key focus of the position is the implementation and advancement of IT security concepts, including access controls and patch management, alongside troubleshooting and performance optimization. You will play a vital role in IT projects such as infrastructure modernization and technology migrations. This position is particularly attractive as it offers the stability of the German public service (TV-L EG 12) combined with modern benefits like flexible working hours, mobile work options, and a central Cologne location. It is an ideal opportunity for a technical professional looking to balance high-level infrastructure responsibility with a supportive, long-term career environment.

Required Skills

Education

University degree in IT (e.g., Computer Science, Information Technology) or an equivalent professional qualification.

Experience

  • Extensive professional experience in designing and managing network structures
  • Proven experience in IT security and infrastructure operations
  • Practical experience with network architectures, routing, and switching technologies
  • Experience in managing Windows and/or Linux server environments
  • Experience participating in IT projects such as migrations and infrastructure modernization

Languages

German (Fluent)English (Fluent)

Additional

  • Willingness for continuous professional development; Location: Cologne, Germany; Full-time commitment (39.83 hours per week).