Salary: £45,000 - 45,000 per year Requirements: Extensive 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 Desirable: Experience developing automation using PowerShell, Python, or Bash Desirable: Exposure to enterprise Audio/Visual systems, digital signage, or IPTV Desirable: Familiarity with modern workplace collaboration environments Strong analytical, troubleshooting, and project delivery skills Excellent communication and cross-functional collaboration capability Responsibilities: Design, 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 Technologies: Bash Cloud Cisco Support LAN PowerShell Python DevOps Network More: We are a global financial services organization with a strong focus on technology, connectivity, and critical communications infrastructure. We operate across international markets and support complex, high-availability platforms that rely on resilient voice and collaboration technologies. Our team invests heavily in modernization, automation, and cloud transformation to ensure performance, reliability, and scalability across our global communications estate. Join us to work on major infrastructure transformation and cloud migration initiatives within a collaborative and inclusive engineering culture while benefiting from a hybrid working model and long-term development opportunities. last updated 5 week of 2026