Salary: £65,000 - 75,000 per year Requirements: Strong experience in 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, including incident, change, and problem management Familiarity with ServiceNow or similar ITSM tools Strong communication skills in customer-facing environments Microsoft 365 or Teams certification, such as MS-700, is desirable Experience within managed services environments is desirable Exposure to Zoom, Webex, or multi-platform UC environments is desirable Knowledge of compliant communications or call recording solutions is desirable Basic scripting or automation skills, including PowerShell, are desirable Responsibilities: Resolve complex unified communications incidents across Microsoft Teams, Direct Routing, SIP/VoIP, and meeting room technologies Execute standard and complex unified communications 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 unified communications 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 unified communications services Drive continuous service improvement and reduce recurring issues Maintain accurate documentation to support compliance and audit requirements Mentor L1 and 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 Technologies: Support ITIL ITSM Microsoft 365 Network PowerShell ServiceNow Office 365 More: We are hiring a Network Engineer at L3 level to provide advanced operational support, configuration management, and performance optimisation across unified communications platforms for our financial services clients. This is a hands-on, client-facing role where we focus on resolving complex incidents, delivering controlled changes, and maintaining secure, high-performing UCC environments. We offer a supportive benefits package that includes pension contributions, private healthcare, discounted gym memberships, 25 to 27 days of holiday plus bank holidays and your birthday off, as well as 24/7 wellbeing support and Team Claranet initiatives. last updated 23 week of 2026