Network Design Specialist - RAN andamp; E2E Performance Three days onsite in London Start: ASAP/3 months contract + possible extension Inside IR35 Your key accountabilities within the RAN andamp; E2E Performance domain are: Experties in UE log analysis, Wire shark tracing and E2E analysis. Act as a lead for Capacity related evenets. Indentifying the root cause and define measures to improve underperforming KPIs Analysing Drive Test logs and Network protocol traces for underperformance andamp; defects in ESN PTT over SRTP. Investigate detected and reported Systematic issues within this element of the ESN Service. Performance root cause analysis using multiple sources of data primarily from: UE Application events/L1/L2/L3 information Drive Test UE logs/Wireshark covering OSI L1-L7. but also from: ENodeB and CN protocol analysis. 3rd Party OTT (Over The Top) protocol traces. Coverage data. Capacity data. OSS performance data Change logs. Outline and ensure peer teams capture and deliver RAN Design andamp; Performance team requirements in their deliverables. Technical Expertise: Expert knowledge of UE logs analysis Expert understanding of Acuver UE logging tools. In depth knowledge of Mobile networks particularly 4G andamp; Public Safety functionality over LTE with particularly deep understanding design and operation. In depth knowledge of LTE andamp; SIP signalling, PTT (push to talk), SRTP/DTLS troubleshooting andamp; Optimisation. Excellent understanding of Nokia and E