CareerPlan

System Administrator (m/w/d) Unified Communications

Duisburg, NORDRHEIN_WESTFALENFull-time2026-10-01 → 2026-11-11

Core

Ensuring stable, secure, and performant operation of Unified Communications and Contact Center solutions, with a focus on Microsoft Teams Voice and Genesys.

Role type

Senior System Administrator (Unified Communications)

Builds

Voice, telephony, and Contact Center solutions

Domain

Telecommunications / Unified Communications

Required skills

Microsoft Teams Phone, Genesys, VoIP, SIP, RTP, Call Routing, Direct Routing, Session Border Controllers, PowerShell, API integration, incident management, release management, migration planning

Preferred skills

Automation of operational tasks, technical solution development based on customer requirements

Technologies

Microsoft Teams, Genesys, Genesys Cloud CX

Responsibilities

Planning, implementation, and further development of Voice, telephony, and Contact Center solutions; Configuration and optimization of Call Routing, IVR, Queues, Direct Routing, and Session Border Controllers; Analysis and resolution of complex incidents in 2nd- and 3rd-level support; Execution of releases, upgrades, and migrations; Technical consulting for customers; Automation of recurring operational tasks

Seniority

Senior, hands-on IC