Expert Network and Protocol (m/f/d)

full time

Communication is our core business. With you broad and deep expertise, you ensure that all components in LAN, WAN and IoT communicate with each other securly and error-free in a variety of protocols.

When something doesn't work, you find the errors and fix them. As an expert for all communication issues, you are the competent contact person for our development department. You don't wait to be told what to do - you just do it. If this is for you, then join our product and software development team for an exciting and permanent position. We are an agile and very successfull ICT provider, focussing on our customers for almost 40 years.


  • Independent development of network and communication concepts
  • Technical support of development team
  • Realization of installations
  • Maintenance of customer systems
  • Second and third level support
  • On-call service
  • Integration tests of hard- and software


  • At least 5 years of practical professional experience in networks


  • Linux Networking
  • TCP/IP, IPv6 and Routing
  • LAN, WAN, WiFi and SD-WAN
  • TLS and VPN
  • PKI, Ciphers and Certificates
  • Firewalls

you can even score more with:

  • Cellular and FDDI
  • LoRaWAN and MQTT
  • Docker Networking
  • AWS Networking and Security
  • Ticket systems, preferably Jira


  • relaxed working environment
  • easy access to superiors
  • flexible working hours with homeoffice days
  • hot and cold drinks, snacks and cereals for free
  • extra corporate pension fund
  • personalized professional training
  • modern office at Telekom-City
  • fully equipped kitchen
  • within walking distance from central station, tram and bus
  • 500 meters from A5 highway
  • bicycles for short trips

   We welcome people of any gender identity, only for the sake of readability we use the masculine form.