Solution Design Specialist

Location: South East London

Packet Core Design Engineer (4G / 5G SA) We are looking for a Packet Core specialist to lead the design and integration of a mission-critical Emergency Services Network . This role focuses on the transition from 4G legacy systems to a cloud-native 5G Standalone (SA) architecture. The Essentials 4G Design:
Deep knowledge of MME, GW-C, GW-U and interfaces (S1-MME/U, S6a, S5/S8, SGi). 5G SA Design:
Expertise in SBA architecture and N-interfaces (AMF, SMF, UPF). Cloud-Native:

Experience with NFVI and Kubernetes (containerised systems management). Deliverables:
Ownership of HLD/LLD , integration, and configuration management. Networking:
Strong understanding of IP networks and core protocols. 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 3

GPP 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.