5G Performance Lead - Mission-Critical Networks

Experis Austria; West of England; Hybrid; GBP 111,000 - 221,000; Full time

Job summary

Our client is seeking an experienced ESN 5G RAN/E2E Performance & parameter Optimisation Specialist to support the UK's Emergency Services Network delivery and optimisation. This is a high-impact role within the RAN Systematic Optimisation Team, focusing on 4G/5G performance, reliability and customer experience.

You will analyse network performance, identify root causes, and implement feature and parameter improvements across Nokia and Ericsson RAN environments, influencing strategy and KPIs for

Qualifications

• Extensive experience as a Network Performance or RAN Optimisation SME within 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.

Responsibilities

• Lead 4G/5G ESN performance management activities to exceed service SLAs and customer experience expectations.
• Design, define and evolve performance KPIs aligned to 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 (SA), Non-Standalone (NSA) and 4G/5G interworking performance.
• Analyse drive test logs, protocol traces and performance data to identify service-affecting issues.
• Investigate systematic network defects impacting Public Safety services, including Push-to-Talk performance.
• Collaborate with suppliers, vendors and internal stakeholders to deliver effective resolution plans.
• Provide technical leadership and knowledge-sharing across the optimisation community.

Skills

RAN optimisation

5G performance

KPI design

Nokia RAN

Ericsson counters

VoNR

Push-to-Talk

SIP/SRTP

Tools

Wireshark

Protocol traces

OSS data

Job description

Our client is seeking an experienced ESN 5G RAN/E2E Performance & parameter Optimisation Specialist to support the UK's Emergency Services Network delivery and optimisation. This is a high-impact role within the RAN Systematic Optimisation Team, focusing on 4G/5G performance, reliability and customer experience.

You will analyse network performance, identify root causes, and implement feature and parameter improvements across Nokia and Ericsson RAN environments, influencing strategy and KPIs for