(Senior) Network and IT Security Engineer | (Senior) Network & IT-Security Engineer (m/w/d)

Carl Remigius Fresenius Education Group

Köln, Nordrhein-Westfalen, Deutschland
Published Dec 19, 2025
Full-time
No information

Job Summary

This critical role involves the planning, operation, and continuous development of the central IT infrastructure for one of Germany's largest private education groups, spanning approximately 70 locations. Day-to-day responsibilities include managing network hardware (switches, firewalls, WLAN) in data centers and remote sites, leading technical projects, and actively identifying and defending against cyber threats. You will contribute to strategic security planning and architecture, ensure the integration of cybersecurity into operational workflows, and automate key processes. The position requires proven professional experience in IT and network administration, particularly with technologies like Forcepoint NGFW, SD-WAN, and Aruba/Unifi WLAN systems, along with a strong understanding of cybersecurity principles. This is an excellent opportunity to work with a broad spectrum of IT technologies, mentor junior colleagues, and utilize significant creative potential within a successful and dynamic organization.

Required Skills

Education

Completed vocational training in computer science or comparable qualification

Experience

  • Several years of professional experience in the IT environment
  • Several years of experience in the administration of switches, firewalls, and WLAN networks
  • Experience in technical project leadership
  • Experience in integrating cybersecurity into daily operations

Languages

Not specified

Additional

  • Full-time availability (40 hours/week), Location in Idstein or Cologne, Willingness to travel to locations for major network renovations (approx. once per year)