Telecommunications Service & Systems Technician (Field Service) | Servicetechniker / Systemtechniker Telekommunikation (m/w/d) im Außendienst

Ziegler GmbH

Köln, Nordrhein-Westfalen, Deutschland
Published Feb 26, 2026
Full-time
Permanent

Job Summary

As a Telecommunications Service and Systems Technician at Ziegler, you will be responsible for providing comprehensive technical support across telecommunications, network, and low-voltage systems. Your day-to-day activities involve the physical installation, configuration, and commissioning of telecommunication systems, IP networks, WLAN, VoIP solutions, and video/audio surveillance equipment. Beyond initial setups, you will perform critical maintenance, troubleshooting, and repairs both on-site at customer locations and via remote maintenance tools. The ideal candidate holds a vocational background in IT or telecommunications and possesses practical experience with Unify OSB/HiPath or AGFEO systems. This role is particularly attractive for professionals seeking stability, as it offers a permanent full-time contract with a company boasting over 50 years of industry expertise. It provides a dynamic work environment where technical problem-solving and customer service excellence are at the forefront of the daily routine.

Required Skills

Education

Completed vocational training in the field of Telecommunications or Information Technology (IT).

Experience

  • Professional experience with Unify OSB, HiPath, or AGFEO telephone systems
  • Practical experience in network technology including IP, WLAN, and VoIP
  • Experience in the installation and maintenance of video and audio monitoring systems
  • Background in field service, including on-site customer support and troubleshooting

Languages

German (Fluent)

Additional

  • Valid Class B driver's license is required; willingness to undergo further training and professional development; ability to work independently and carefully in a field service environment.