Enterprise Voice and AV Engineer

Enterprise Voice and AV Engineer Senior engineering role within a globally operating financial markets organisation Hands-on with Audio Codes SBCs, Cisco Unified Communications, and Microsoft Teams Direct Routing Lead cloud migration and infrastructure transformation projects at scale Hybrid, Belfast Salary: £45,000 - £55,000 About Our Client Our 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 Role This 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 Responsibilities Lead the design and implementation of enterprise voice solutions, with a focus on Audio Codes SBCs, Cisco CUBEs, and cloud migration to AWS Drive transformation projects including migration of Audio Codes SBCs to AWS Cloud and replacement of legacy Cisco gateways Own advanced troubleshooting for voice, video, and IPTV services across Cisco IP phones, Teams Direct Routing, and Microsoft Teams Rooms Develop and maintain automation scripts (Power Shell, Python, or similar) for SBC provisioning, monitoring, and bulk migration tasks Build and maintain proactive monitoring frameworks to ensure high availability across global voice infrastructure Act as L2/L3 escalation point for complex voice, AV, and Microsoft Teams Room issues Collaborate with internal engineering teams across all global regions to resolve issues and improve service delivery Ensure full compliance with change control and permit-to-operate processes What You'll Need Essential Extensive experience in enterprise voice technologies, Unified Communications, and Trader Voice Deep hands-on expertise with Audio Codes SBCs including configuration, migration, and cloud deployment Strong background in Cisco Unified Communications, Cisco CUBEs, and SIP trunking Proven experience with Microsoft Teams Direct Routing and enterprise voice integration CCNP or CCVP certification Solid understanding of LAN/WAN networking and IP telephony Nice to Have Scripting experience in Power Shell, Python, or Bash for network and voice automation Experience supporting Digital Signage and IPTV platforms Familiarity with Microsoft Teams Room Pro and Modern Workplace technologies Why Apply?

Salary: £45,000 - £55,000 Work on a truly global voice infrastructure spanning 27 countries Lead high-impact cloud migration and transformation projects from day one Hybrid - Belfast Collaborative, technically driven team environment with cross-regional exposure Benefits:
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