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The Network Engineer – L3 (UCC) provides advanced operational support, configuration management, and performance optimisation across unified communications platforms for financial services clients.
This is a hands-on, client-facing role focused on resolving complex incidents, executing controlled changes, and maintaining high-performing, secure UCC environments. You will play a key role in improving service quality, ensuring compliance, and supporting continuous service improvement in a regulated environment.
Key Responsibilities
* Resolve complex UCC incidents across Microsoft Teams, Direct Routing, SIP/VoIP, and meeting room technologies
* Execute standard and complex UCC changes in line with governance and compliance requirements
* Maintain and validate configuration baselines across Teams Voice, Direct Routing, and endpoints
* Monitor and optimise service performance using CQD, analytics, and incident trends
* Administer UCC platforms including Teams, Exchange Online integration, and collaboration tools
* Collaborate with Network, EUC, vendors, and service teams to resolve dependencies
* Support major incident management and escalations across UCC services
* Drive continuous service improvement and reduce recurring issues
* Maintain accurate documentation to support compliance and audit requirements
* Mentor L1/L2 engineers and improve escalation quality and knowledge sharing
* Ensure all activities align with financial services regulatory frameworks
* Provide input into service reporting, governance packs, and post-implementation reviews
Experience & Knowledge
Essential:
* Strong experience in UCC / unified communications support and operations
* Experience supporting Microsoft Teams (including voice and collaboration)
* Understanding of VoIP, SIP, call flows, and QoS dependencies
* Experience with Direct Routing or Operator Connect environments
* Strong troubleshooting skills across endpoints, networks, and user experience
* Experience with ITIL processes (incident, change, problem management)
* Familiarity with ServiceNow or similar ITSM tools
* Strong communication skills in customer-facing environments
Desirable:
* Microsoft 365 or Teams certification (e.g. MS-700)
* Experience within managed services environments
* Exposure to Zoom, Webex, or multi-platform UC environments
* Knowledge of compliant communications / call recording solutions
* Basic scripting/automation (PowerShell)
Benefits
* Pension with employer contributions
* Private healthcare
* Discounted gym memberships
* 25–27 days holiday + bank holidays + birthday off
* 24/7 wellbeing support + Team Claranet initiatives