Enterprise Voice and AV Engineer

Engineer - Enterprise Voice & AVBelfast Hybrid Working Senior Technical Level

About the CompanyWe are a global financial services organisation with a strong focus on technology, connectivity, and critical communications infrastructure. The business operates across international markets and supports complex, high-availability platforms that rely on resilient voice and collaboration technologies.

With teams based across multiple regions and time zones, the organisation invests heavily in modernisation, automation, and cloud transformation to ensure performance, reliability, and scalability across its global communications estate.

The OpportunityThis is a technically demanding role for an experienced Enterprise Voice & AV Engineer. You will join a global engineering function responsible for the reliability and transformation of the organisation's Unified Communications, Voice, and Audio/Visual infrastructure.

You will lead key migration and modernisation initiatives, including the move from legacy voice gateways to modern SBC platforms and the migration of enterprise voice infrastructure into cloud environments. The role combines deep technical engineering with hands-on troubleshooting and global stakeholder collaboration.

Key ResponsibilitiesDesign, implement, and support enterprise voice solutions across SBC, VOIP, and UC platforms

Act as Technical Lead for strategic voice and collaboration migration projects

Engineer and support cloud-based voice infrastructure and hybrid telephony environments

Provide advanced troubleshooting across voice, video, and AV systems

Develop and maintain automation scripts (PowerShell, Python, or similar) to improve operational efficiency

Maintain monitoring frameworks to ensure system reliability and performance

Act as an L2/L3 escalation point for complex voice and AV issues

Ensure compliance with internal change control and operational governance processes

Work closely with global technology and business teams to enhance voice and collaboration services

Essential Experience & SkillsExtensive experience with Enterprise Voice and Unified Communications platforms

Strong expertise in Session Border Controllers (SBCs) and SIP trunking

Proven background in IP telephony and voice networking

Strong knowledge of Cisco Unified Communications environments

Experience with voice gateway migration and transformation

Hands-on experience with cloud-hosted voice infrastructure

Strong understanding of LAN/WAN networking for voice

Experience supporting Microsoft Teams voice and collaboration integration

DesirableExperience developing automation using PowerShell, Python, or Bash

Exposure to enterprise Audio/Visual systems, digital signage, or IPTV

Familiarity with modern workplace collaboration environments

Strong analytical, troubleshooting, and project delivery skills

Excellent communication and cross-functional collaboration capability

Special RequirementsOccasional out-of-hours or weekend support may be required for system changes or implementations.

Why Join?Join a globally recognised, technology-led financial services environment

Work on complex, business-critical voice and collaboration systems

Play a key role in major infrastructure transformation and cloud migration initiatives

Hybrid working model with strong long-term development opportunities

Be part of a collaborative and inclusive engineering culture

To speak in absolute confidence about this opportunity please send an up-to-date CV via the link provided or contact Senior Recruitment Consultant Stuart Kennedy at MCS Group on or .

Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current jobs.