Unified Communications (UC) Cisco Voice Engineer

Contract: Unified Comms (UC) Voice Engineer

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Location: Glasgow (Hybrid - 3 days onsite per week)
Start Date: ASAP once background checks have been completed
Duration: Initial 12 months extendable
Rate: Circa £450-£510 a day (deemed inside IR35 via umbrella)
Reference: 20548

Overview

We are seeking an experienced Senior Cisco Voice & Collaboration Engineer (L3) to join a global enterprise technology team supporting a large-scale voice and unified communications environment.
This role will focus on the operational support, maintenance, and continuous improvement of a global Cisco voice infrastructure. The successful candidate will provide Level 3 support, lead technical troubleshooting activities, support major incidents, and work closely with project teams to ensure successful deployment and operational acceptance of new services.
Key Responsibilities
Provide Level 3 operational support for enterprise voice and collaboration platforms.
Manage and resolve complex incidents, problems, and service requests.
Perform root cause analysis and implement permanent fixes.
Support L1 and L2 teams with technical escalations.
Participate in change management activities and production deployments.
Work closely with project teams during implementation and transition phases.
Produce and maintain technical and operational documentation.
Track and manage work through ServiceNow.
Support vendor management and governance activities.
Communicate effectively with business stakeholders during incidents and project delivery.

Essential Skills & Experience
Strong experience supporting Cisco Unified Communications Manager (CUCM) 12.x and beyond
Expertise with: Cisco IP Telephony
Cisco Jabber and Jabber Mobile
SIP, H.323 and ISDN protocols
Session management and call routing
Cisco UCCX
Cisco Prime Assurance and Provisioning

Experience supporting enterprise-scale voice and data environments.
Strong troubleshooting and diagnostic skills within complex voice infrastructures.
Experience working within ITIL-based operational environments.
Desirable Skills
Avaya Aura Communication Manager 8.x+
Avaya Media Gateways (G700, G350, G450)
Avaya System Manager and Session Manager
Avaya One-X Communicator
Avaya Meeting Exchange / Bridgetalk
IPC Unigy Trading System
NICE Voice Recording
ServiceNow administration and workflow experience

You will be a proactive and technically strong voice engineer who thrives in a fast-paced enterprise environment. You'll be comfortable managing critical incidents, engaging with stakeholders, and driving operational excellence across a global communications platform. xwzovoh
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