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

InfraServ GmbH & Co. Wiesbaden KG

Wiesbaden, Hessen, Deutschland
Published Jan 7, 2026
Full-time
Permanent

Job Summary

This role is centered on managing and optimizing the Information and Communication Technology (ICT) infrastructure within a major industrial park environment. The Specialist will be responsible for the full lifecycle management of ITK systems and applications, including installation, commissioning, maintenance, and complex troubleshooting. A core part of the job involves the configuration of analog, digital, and IP endpoints, alongside creating and maintaining technical documentation to ensure system integrity. Candidates must bring multi-year professional experience in telecommunications, deep knowledge of VoIP networks, protocols (SIP, RTP), Session Border Controllers (SBCs), and specific expertise with Unify systems (OpenScape Business/4000/Enterprise). Initial experience with modern cloud telecommunications solutions, such as MS Teams, is highly desirable. This position offers the opportunity to actively participate in digitalization projects and shape how people communicate within the organization, requiring a strong team spirit and service orientation.

Required Skills

Education

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

Experience

  • Multi-year 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