Telecommunications System Administrator (Softphone Focus) | Systemadministrator Telekommunikation - Schwerpunkt Softphone - (m/w/d)

Stadtwerke Karlsruhe GmbH

Karlsruhe, Baden, Baden-Württemberg, Deutschland
Published Jan 7, 2026
Full-time
No information

Job Summary

This role involves the administration and maintenance of critical telecommunications systems, specifically focusing on Softphone solutions, for the City of Karlsruhe and Stadtwerke Karlsruhe. Day-to-day responsibilities include managing the OS4K environment, OSCC call center solutions, and associated TK servers and applications. A core function is leading projects to introduce new telecommunications solutions, such as Softphone implementation (e.g., XPhone), which requires strong project management skills and coordination of external service providers and internal customers. The administrator is also responsible for end-user training, detailed error analysis, troubleshooting operational issues, and maintaining comprehensive system and process documentation. Candidates must possess a completed degree in IT or Telecommunications, coupled with professional experience in administering TK systems and leading Softphone projects. Knowledge of IT security, the German Telecommunications Act (TKG), GDPR, and SAP is required. The position offers a challenging environment, flexible working hours, performance-based compensation under the TV-V tariff, and extensive social benefits.

Required Skills

Education

Completed degree in IT / Telecommunications field or comparable qualification

Experience

  • Professional experience in the administration of TK systems and Softphone solutions
  • Experience in the introduction and implementation of Softphone solutions (e.g., XPhone)
  • Experience in project leadership and service provider control

Languages

Not specified

Additional

  • Must take on on-call duties