Mobile Engineers

Feel Connected to the future at Sure by joining the Mobile team in either Guernsey, Jersey or the Isle of Man, working 37.5 hours per week. Mobile Voice Core Engineer To drive the role forward, the individual will ensure the reliable operation, maintenance, and evolution of Sure's Mobile Core network, including CS, EPC, IMS, and associated platforms. The successful applicant will deliver high availability and performance for Packet Switched (PS) and Circuit Switched (CS) services, supporting technologies such as VoLTE, and 5G Core. In addition, the postholder will 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. Mobile Packet Core Engineer To drive the role forward, the individual will ensure the reliable operation, maintenance, and evolution of Sure's Mobile Core network, including CS, EPC, IMS, and associated platforms. The successful applicant will deliver high availability and performance for Packet Switched (PS) and Circuit Switched (CS) services, supporting technologies such as VoLTE, and 5G Core. In addition, the postholder will act as a subject matter expert for the Packet Core services providing technical support for integration, troubleshooting, and optimisation. In addition, this role will support on-net and international NB-IOT, CAT-M and IoT growth with platform and customer support. We are proud of the way we do things; We work together as One Team, We strive for Customer Satisfaction, We are Reliable, We have a Passion for Technology & Learning and We are Community & Sustainability Focused. Individuals applying will "feel connected" to our Company values, and hold the following key skills: •Strong understanding of 2G, 4G and 5G mobile networking and associated core. •Strong understanding of protocols utilised in a mobile network including but not limited to SIP, Diameter SS7 and GTP. •Experience with mobile core nodes (MME, SGW, PGW, PCRF, HSS) and IMS components (SBC/P-CSCF, S-CSCF, I-CSCF BGCF etc). •Knowledge of IP networks, routers, switches, dynamic routing protocols and an appreciation of system security. Please note the successful applicants will be required to join a callout rota in order to provide out of hours cover that includes nights, weekends and Bank Holidays. Find out more: https://careers.sure.com/