Mobile Voice Core Engineer

Our Client are a leading communications brand with an outstanding reputation for customer service and value commitment. An opportunity has now arisen within their team for an experienced Mobile Voice Core Engineer.

Role Responsibilities

• Ensure the reliable operation, maintenance, and evolution of the Mobile Core network, including CS, EPC, IMS, and associated platforms
• Deliver high availability and performance for Packet Switched (PS) and Circuit Switched (CS) services, supporting technologies such as VoLTE, and 5G Core
• Act as a subject matter expert for IMS-based services (SIP, Cloud Voice, FTTH voice, Microsoft Teams Operator Connect), providing technical support for integration, troubleshooting, and optimization
• Operate and maintain IMS, CS and EPC components, ensuring compliance with KPIs and SLAs
• Monitor, perform configuration, upgrades, and patches for Mobile core network elements (MME, SGW, PGW, PCRF, HSS, HLR...