Voice Specialist

Job Title: Senior Voice Systems EngineerLocation: Leicester, UK (Hybrid - candidates must be within a commutable distance)Employment Type: PermanentStart Date: ASAPOverviewWe are seeking an experienced Senior Voice Systems Engineer to lead the transformation of our enterprise voice infrastructure, driving the migration from legacy telephony platforms to modern cloud-based communication solutions, including Microsoft Teams Telephony and Cisco Webex.This role requires a highly capable technical specialist who can quickly assess the existing environment, provide strategic guidance, and act as a trusted advisor to internal stakeholders and technology partners. The successful candidate will play a key role in both the ongoing support of the current voice estate and the delivery of future-state communication services.Key ResponsibilitiesLead the migration of enterprise telephony services from legacy platforms to Microsoft Teams Voice and Cisco Webex solutions.Design, implement, support, and optimise enterprise voice and unified communications environments.Provide technical leadership and consultancy across voice transformation initiatives.Collaborate with vendors, including Microsoft and Cisco, to ensure successful solution delivery and service optimisation.Support and modernise existing voice infrastructure while ensuring service continuity.Act as a trusted technical advisor to stakeholders across the organisation.Required Skills & ExperienceDegree in a technical discipline or equivalent industry experience.Extensive experience within large-scale enterprise IT environments, with a strong background in systems design, implementation, and administration.Proven hands-on expertise with Microsoft Teams Telephony, including:Direct RoutingCalling PlansMicrosoft 365 Voice IntegrationExperience configuring and supporting Cisco Webex Contact Centre or comparable cloud contact centre platforms.Strong knowledge of Session Border Controllers (SBCs), including technologies such as:Cisco CUBEAudioCodesEquivalent SBC platformsSolid understanding of VoIP technologies and protocols, including:SIPRTP / SRTPDTMFDial Plan DesignExperience with PSTN connectivity, number porting, and telephony regulatory requirements.Understanding of voice security best practices, including:SBC hardeningToll fraud preventionEncryption and secure communicationsPersonal AttributesExcellent communication and stakeholder management skills.Ability to rapidly understand complex environments and provide clear technical direction.Strong consultative approach with the confidence to engage with senior stakeholders, vendors, and technical teams.Self-driven, proactive, and capable of operating independently within a complex enterprise environment.