Packet Core Design Engineer (4G / 5G SA) We are looking for a Packet Core specialist to lead the design and integration. This role focuses on the transition from 4G legacy systems to a cloud-native 5G Standalone (SA) architecture. The Essentials looking for candidates with 3GPP 4G and 5G SA knowledge of Packet Core Network, understanding architecture, integration and protocols on Core network interfaces (4G mainly S1-MME/U, S4, S6a, S5/S8, SGi and others, for 5G SA N-interfaces/SBA architecture), knowledge of NFVI architecture/principles of containerised virtual systems management (Kubernetes) and understanding of IP networks. The role will require contributing to High and Low Level Packet Core Network designs for MME, GW-C, GW-U (4G) and AMF, SMF, UPF (5G SA), integration of these components with other parts of Emergency Services Network, supporting test activities and troubleshooting issues and config management for Packet Core Network The Mission You will be responsible for the high-level and low-level design of core components, supporting critical test activities, and troubleshooting complex issues to ensure the reliability of emergency communication services. Apply If you have a strong 3GPP background and are ready to work on a high-impact national project, please apply with your updated CV. Randstad Technologies is acting as an Employment Business in relation to this vacancy.