Unified Communications Engineer – Voice ​/ Automation

Unified Communications Engineer – Voice / Automation London – Trading industry competitive compensation package

Quant Capital is working with a leading trading technology firm looking for a Unified Communications Engineer with voice specialism to take ownership of a global Cisco voice and collaboration environment.

This is not a narrow telephony support role. The team needs someone who can keep critical voice and video services stable, improve tooling, automate repeatable work and deal confidently with complex issues across Cisco UC, SIP, recording, conferencing and integrations.

What you will own Support and improve a global Cisco UC and collaboration estate

Manage changes, upgrades and configuration across voice, video and conferencing platforms

Troubleshoot SIP, SBCs, PSTN trunking, endpoints and call flows

Build automation around UC workflows

Support voice recording, compliance and messaging archive platforms

Integrate on-premise UC with Webex, Zoom, Teams and related services

Improve monitoring, alerting, documentation and operational standards

Experience needed7+ years in voice, UC or collaboration engineering

Strong experience with CUCM, Cisco Meeting Server and Expressway Good knowledge of SIP, SBCs and PSTN SIP trunking

Experience supporting Cisco phones, softphones and video endpoints

Strong troubleshooting and fault-isolation skills Scripting or automation experience in Python, Power Shell or similar

Experience in a high-availability enterprise environment

Useful experience

Cisco UC APIs and custom integrations

Trading or finance

All applications are handled in strict confidence.