5G Networking Engineering SpecialistLocation: London or Bristol, Hybrid- 3 days per week on-siteDuration: 12 Months BPSS check requiredUMBRELLA ONLYOur client, a leading organisation in telecommunications, is hiring for a talented 5G RAN Parameter Optimisation Specialist to support their Public Safety Network. This is an exciting opportunity to work within a dynamic team, driving network performance and innovation in London or Bristol.What you''ll be doing:* Analyse UE logs and end-to-end traces for 5G and 5G+ networks to identify performance issues.* Develop and execute optimisation trials with vendors (Nokia and Ericsson), assessing outcomes and impact.* Validate 5G and interworking design, ensuring seamless integration of 4G, 5G SA, NSA, and Public Safety features.* Conduct root cause analysis using drive test logs, protocol traces, and network data sources.* Collaborate with internal and external stakeholders to implement performance improvements.* Lead investigations into system issues within the ESN service, providing actionable insights.* Drive continuous enhancement of network KPIs, ensuring optimal customer experience.What you''ll bring:* Extensive experience in mobile network performance, specialising in high-availability systems.* Proven expertise in UE log analysis, 5G investigations, and parameter optimisation.* Deep understanding of 4G/5G network architecture, protocols, and vendor equipment (Nokia and Ericsson preferred).* Skilled in Wireshark, TEMS, Accuver, a