Unified Communication Telecommunications Specialist | Spezialist Telekommunikation (m/w/d) Unified Communication

InfraServ GmbH & Co. Wiesbaden KG

Wiesbaden, Hessen, Deutschland
Published Sep 29, 2025
Full-time
Permanent

Job Summary

This role seeks a dedicated Unified Communication Telecommunications Specialist to join a 40-person IT team responsible for managing and optimizing the company’s IT infrastructure and services. Day-to-day responsibilities include the installation, commissioning, maintenance, and troubleshooting of ITK systems and associated applications. A core part of the job involves configuring analog, digital, and IP endpoints, performing technical documentation, and analyzing complex technical issues to ensure sustainable system optimization. The ideal candidate brings several years of experience in telecommunications, especially within an enterprise environment, coupled with expertise in VoIP protocols (SIP, RTP), SBCs, and specific Unify systems like OpenScape Business/4000. Experience with emerging cloud telecommunication solutions, such as MS Teams, is highly desirable. This is an attractive opportunity for a team player who wants to actively participate in digitalization projects and contribute their specialized knowledge in a dynamic industrial setting.

Required Skills

Education

Vocational training as an IT Systems Electronics Technician, IT Systems Technician, Electronics Technician for Information and Telecommunications Technology, IT Specialist, or comparable qualification

Experience

  • Several years of professional experience in telecommunications, ideally in an enterprise environment
  • Experience with VoIP networks and protocols (SIP, RTP), SBCs, and PBX systems (HiPath 4K, OSV)
  • Initial experience with cloud telecommunications (e.g., MS Teams or other UC solutions) is desirable

Languages

German (Fluent)

Additional

  • Class B driver's license required; Permanent contract duration