Enterprise Voice and AV EngineerSenior engineering role within a globally operating financial markets organisationHands-on with AudioCodes SBCs, Cisco Unified Communications, and Microsoft Teams Direct RoutingLead cloud migration and infrastructure transformation projects at scaleHybrid, BelfastSalary: £45,000 - £55,000About Our ClientOur client is a world-leading provider of market infrastructure, operating across more than 60 offices in 27 countries with over 5,000 employees globally. They sit at the centre of international financial and commodities markets, connecting clients to liquidity and data solutions across some of the most complex trading environments in the world. This is a business built on technical excellence, and the infrastructure underpinning their global operations reflects that.The RoleThis is a senior engineering position within the Enterprise Voice and AV team, responsible for the reliability, performance, and scalability of a global Unified Communications and voice infrastructure. You will take technical ownership of major transformation projects, including cloud migration of session border controllers and legacy gateway replacement programmes, while also driving automation and AI-powered analytics across voice operations. The role carries real scope and influence, working cross-functionally with teams across all global regions and acting as an escalation point for complex voice and AV issues.Key ResponsibilitiesLead the design and implementation of enterprise voice solutions, with a focus on AudioCodes SBCs, Cisco CUBEs, and cloud migration to AWSDrive transformation projects including migration of AudioCodes SBCs to AWS Cloud and replacement of legacy Cisco gatewaysOwn advanced troubleshooting for voice, video, and IPTV services across Cisco IP phones, Teams Direct Routing, and Microsoft Teams RoomsDevelop and maintain automation scripts (PowerShell, Python, or similar) for SBC provisioning, monitoring, and bulk migration tasksBuild and maintain proactive monitoring frameworks to ensure high availability across global voice infrastructureAct as L2/L3 escalation point for complex voice, AV, and Microsoft Teams Room issuesCollaborate with internal engineering teams across all global regions to resolve issues and improve service deliveryEnsure full compliance with change control and permit-to-operate processesWhat You'll NeedEssentialExtensive experience in enterprise voice technologies, Unified Communications, and Trader VoiceDeep hands-on expertise with AudioCodes SBCs including configuration, migration, and cloud deploymentStrong background in Cisco Unified Communications, Cisco CUBEs, and SIP trunkingProven experience with Microsoft Teams Direct Routing and enterprise voice integrationCCNP or CCVP certificationSolid understanding of LAN/WAN networking and IP telephonyNice to HaveScripting experience in PowerShell, Python, or Bash for network and voice automationExperience supporting Digital Signage and IPTV platformsFamiliarity with Microsoft Teams Room Pro and Modern Workplace technologiesWhy Apply?Salary: £45,000 - £55,000Work on a truly global voice infrastructure spanning 27 countriesLead high-impact cloud migration and transformation projects from day oneHybrid - BelfastCollaborative, technically driven team environment with cross-regional exposureBenefits:Work From HomeWHJS1_NI