5G Networking Engineering Specialist

Salary: £? - ? per year

• We require extensive experience in mobile network performance, with a focus on high-availability systems.
• We require proven expertise in UE log analysis, 5G investigations, and parameter optimisation.
• We require a deep understanding of 4G and 5G network architecture, protocols, and vendor equipment, with Nokia and Ericsson preferred.
• We require experience using Wireshark, TEMS, Accuver, and protocol trace analysis tools.
• We require strong analytical skills and the ability to translate complex data into clear recommendations.
• We require experience working with third-party suppliers and managing technical relationships.
• We require knowledge of LTE parameters, timers, and Public Safety network functionalities.
• We require relevant technical qualifications in telecommunications or a related field.
• Industry certifications in network performance or optimisation are advantageous.

• We analyse UE logs and end-to-end traces for 5G and 5G+ networks to identify performance issues.
• We develop and execute optimisation trials with vendors, including Nokia and Ericsson, and assess outcomes and impact.
• We validate 5G and interworking design, ensuring seamless integration of 4G, 5G SA, NSA, and Public Safety features.
• We conduct root cause analysis using drive test logs, protocol traces, and network data sources.
• We collaborate with internal and external stakeholders to implement performance improvements.
• We lead investigations into system issues within the ESN service and provide actionable insights.
• We drive continuous enhancement of network KPIs to ensure an optimal customer experience.

• Support
• Mobile
• Network

We are a leading organisation in telecommunications, hiring a talented 5G RAN Parameter Optimisation Specialist to support our Public Safety Network. This is a 12-month contract opportunity based in London or Bristol, working in a hybrid arrangement with three days per week on-site. The role requires a BPSS check and is available on an umbrella-only basis. You will join a dynamic, collaborative team focused on driving network performance, innovation, and meaningful improvements in connectivity and public safety.

last updated 25 week of 2026