Ofertas › Experis
Experis · Bristol, United Kingdom · £? - ? per year
Salary: £? - ? per year Requirements: Extensive experience as a Network Performance or RAN Optimisation subject matter expert in mobile telecommunications Deep expertise in LTE, 5G and 5G+ performance management and optimisation Strong understanding of KPI definition, design, measurement and benchmarking Expert-level knowledge of Nokia RAN performance management and optimisation Hands-on experience investigating and optimising 4G LTE, 5G SA and NSA, VoNR, network slicing and end-to-end mobile services Strong understanding of Ericsson and Nokia counters, KPIs and troubleshooting methodologies Ability to analyse drive test logs, Wireshark and protocol analyser traces, UE Layer 1–3 logs and OSS performance data In-depth knowledge of LTE and 5G signalling Experience troubleshooting SIP, SRTP, DTLS and Push-to-Talk services Knowledge of 3GPP and ETSI standards Strong stakeholder management and communication skills Experience with Nokia RAN, Ericsson RAN, Wireshark, Actix, Nemo, TEMS, Accuver, LTE parameters and timers, and OSS performance platforms Desirable experience in multi-vendor optimisation environments, emergency services or public safety networks, LTE/5G mission-critical communications, supplier and third-party vendor management, project delivery and network transformation, or technical solution design and requirements management Responsibilities: Lead 4G/5G ESN performance management activities to exceed service SLAs and customer experience expectations Design, define and evolve performance KPIs aligned with real user experience Conduct root cause analysis of network performance issues across RAN and end-to-end services Develop optimisation plans using OSS trends, network counters, KPIs, crowdsourced data and customer performance metrics Perform feature and parameter optimisation trials across Nokia and Ericsson RAN networks Evaluate trial outcomes, quantify gains and assess wider network impacts Drive improvements in 5G Standalone, Non-Standalone and 4G/5G interworking performance Analyse drive test logs, protocol traces and performance data to identify service-affecting issues Investigate systematic network defects affecting public safety services, including Push-to-Talk performance Collaborate with suppliers, vendors and internal stakeholders to deliver effective resolution plans Provide technical leadership and share knowledge across the optimisation community Technologies: E2E Support Mobile Network OSS Security More: We are seeking an experienc