We are partnering with a well-established telecommunications organisation to recruit an experienced Mobile Packet Core Engineer to support and evolve a large-scale mobile core network. The role focuses on the operation of 2G, 4G and 5G packet core platforms, delivering highly available PS and CS services across EPC and 5G Core environments. You will act as a subject matter expert for packet core nodes and data services, supporting roaming, interconnect, VAS and IoT solutions. Working closely with mobile, IP, security and product teams, you will take a hands-on approach to fault resolution, performance optimisation and platform upgrades. This opportunity suits a proactive engineer with strong core network knowledge and a collaborative mindset.