Connected IT has exclusively partnered with a pioneering technology scale-up that builds enterprise Voice AI systems. Their cutting-edge platform connects AI agents and agent-assist technologies directly into real contact-centre voice environments. They are currently undergoing significant growth and are expanding their dedicated engineering hub in Manchester. The Role Our client is seeking a senior, hands-on Voice AI Integration Lead to act as the technical bridge between complex enterprise telephony systems and production AI. This is not a traditional telecoms engineering / operations job, a generic PBX administration role, or a software developer position. You will lead the design, build, and troubleshooting of integrations that make real-time AI voice services function seamlessly in customer environments. Beyond project delivery, you will dedicate a portion of your time to internal platform engineering, using what you learn from deployments to help ensure a resilient, highly reusable, and exceptionally low-latency real-time voice infrastructure. Key Responsibilities Lead technical discovery sessions and design SIP/SIPREC and direct integration approaches for enterprise contact-centre environments. Act as the senior technical escalation point to diagnose and resolve complex SIP, RTP/media, SBC, TLS/SRTP, NAT/firewall, and interoperability issues. Represent the business credibly in technical design workshops and production readiness discussions directly with external ..... full job details .....