5G RAN Optimisation Engineer - Network Optimisation - RAN technologies
Marshall Wolfe are hiring on behalf of our client, who are a leading telecoms organisation. They are seeking an experienced 5G RAN Optimisation Specialist to join a high-performing Network Performance & Optimisation team supporting a critical Public Safety Network programme.
This is a specialist role focused on 5G/5G+ performance optimisation, root cause analysis, and end-to-end network investigations across complex mobile network environments. You'll work closely with internal SMEs, vendors, and stakeholders to improve network performance, customer experience, and service reliability.
This is a 12 month contract, which can be based in London or Bristol
Key Responsibilities
Analyse UE logs, drive test data, Wireshark traces, OSS trends and protocol logs to identify performance issues.
Perform 4G/5G/5G+ parameter and feature optimisation activities across Nokia and Ericsson networks.
Conduct end-to-end investigations covering 5G SA, NSA, VoNR and network interworking scenarios.
Lead root cause analysis of network degradations and define optimisation plans to improve KPIs.
Validate network designs and assess performance impacts of new features and configurations.
Produce performance recommendations and operational best practices.
Collaborate with technical teams, suppliers and stakeholders to deliver performance improvements.
Extensive experience in mobile network performance and optimisation within large-scale telecommunications environments.
Expert knowledge of 5G/5G+ investigations, RAN optimisation and end-to-end network troubleshooting.
Strong understanding of 4G LTE, 5G SA/NSA, VoNR, Network Slicing and SIP signalling.
Advanced experience with Wireshark, TEMS, Accuver, Actix, UE log analysis and protocol tracing.
Proven expertise analysing radio network KPIs, parameters, timers and performance metrics.
Experience working with Nokia and/or Ericsson RAN technologies.
Strong stakeholder management and communication skills with the ability to translate complex technical issues into clear business outcomes.
Experience supporting Public Safety Network services.
Knowledge of SRTP/DTLS troubleshooting and optimisation.
Understanding of 3GPP and ETSI standards.
Experience working with third-party suppliers and vendors.
Knowledge of project delivery and telecommunications best practices.
12 month contract Inside IR35 | London or Bristol based (hybrid working)
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