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Voice & Unified Communications Engineer / Architect - freelance - hybrid, London, UK

Comgent | london, United-Kingdom | Posted June 27, 2026

Position Overview

The organisation operates a complex, fragmented voice environment comprising two separate legacy stacks — on‑premises Cisco CUCM (with differing soft client versions across the two banking entities), BT trading turret platforms, and disparate voice recording systems (Redbox and Variant). A planned migration to Cisco WebEx cloud was paused due to inadequate change management planning. This role will define and deliver a rationalised voice and UC target state, with particular focus on trading floor voice requirements.

Key Responsibilities

  • Assess the current voice and UC estate across both banking entities: CUCM, Cisco Cubes, WebEx, trading turrets (BT platforms), voice recording (Redbox, Variant)
  • Define a target‑state voice architecture aligned to the broader infrastructure transformation
  • Develop a structured migration plan to Cisco WebEx (or alternative cloud UC platform), incorporating full change management, user communications, and ph...

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