5G Networking Engineering Specialist

Salary: £? - ? per year

Requirements:

• 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, with Nokia and Ericsson preferred.
• Skilled in Wireshark, TEMS, Accuver, and protocol trace analysis.
• Strong analytical skills with the ability to translate complex data into clear recommendations.
• Experience working with third-party suppliers and managing technical relationships.
• Knowledge of LTE parameters, timers, and Public Safety network functionalities.
• Relevant technical qualifications in telecommunications or related fields.
• Industry certifications in network performance or optimisation are advantageous.

Responsibilities:

• Analyse UE logs and end-to-end traces for 5G and 5G+ networks to identify performance issues.
• Develop and execute optimisation trials with vendors, 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.

Technologies:

• Mobile
• Network
• Support

More:

We are supporting a leading organisation in telecommunications to hire a talented 5G RAN Parameter Optimisation Specialist for our Public Safety Network team. This is a 12-month hybrid role based in London or Bristol, with three days per week on-site, and a BPSS check required. We offer the opportunity to work within a dynamic, collaborative, and innovative environment where you can help shape the future of mobile networks and make a real difference in connectivity and public safety.

last updated 33 week of 2026