RAN Performance Engineer

Experis - ManpowerGroup; Greater London; On-site; GBP 67,000 - 88,000; Full time

Job summary

Experis - ManpowerGroup is seeking an experienced RAN Performance Engineer to support mobile network performance across UK core sites. The role involves identifying performance issues, root-cause analysis, incident management, and collaboration with operations to restore service and enhance customer experience.

You will analyze KPIs from regional views down to individual cells, work with Huawei/Ericsson/Nokia counters, and contribute to AI-driven monitoring tools.

Qualifications

• Strong experience in Mobile Network / RAN performance.
• Experience in investigating KPI performance issues and conducting RCA.
• Knowledge of Huawei, Ericsson and/or Nokia counters.
• Experience analysing network alarms and operational data.
• Proven incident management experience.
• Experience working in a live operational mobile network environment.
• Strong analytical and troubleshooting skills.
• Ability to make decisions with incomplete or ambiguous information.
• Strong communication skills.

Responsibilities

• Monitor and analyse RAN performance KPIs.
• Investigate KPI degradation and identify root causes.
• Analyse Huawei, Ericsson and Nokia performance counters and alarms.
• Investigate customer-reported network issues.
• Raise and manage incidents through to resolution.
• Collaborate with operations and managed service providers to resolve issues.
• Recommend and implement actions to improve network performance.
• Produce reports and evidence to support decisions.
• Help improve AI-driven network performance monitoring tools.
• Share knowledge with less experienced team members.

Skills

RAN Performance

KPI RCA

Huawei/Ericsson/Nokia

Network alarms

Incident management

Live network

Analytical skills

Decision making

Communication

Tools

SQL

Python

Power BI

Job description

Role: RAN Performance Engineer

Location: Any Core site - London, Bristol, Birmingham, Manchester, Ipswich, Glasgow.

Duration: Initial 6 Month Contract

Day Rate: Up to £420 per Inside IR35

The Role

We are looking for an experienced RAN Performance Engineer to support the performance of a leading UK mobile network.

This role is focused on identifying network performance issues, investigating the root cause, raising incidents, and working with operational teams to restore service and improve customer experience.

You will analyse network KPIs from high-level regional views down to individual cell performance, helping to ensure the network continues to perform at its best.

Responsibilities

• Monitor and analyse RAN performance KPIs.
• Investigate KPI degradation and identify root causes.
• Analyse Huawei, Ericsson and Nokia performance counters and alarms.
• Investigate customer-reported network issues.
• Raise and manage incidents through to resolution.
• Work closely with operations and managed service providers to resolve performance issues.
• Recommend and implement actions to improve network performance.
• Produce reports and evidence to support decision making.
• Help improve AI-driven network performance monitoring tools.
• Share knowledge and support less experienced team members.

Primary / Mandatory Skills

• Strong experience within Mobile Network / RAN Performance.
• Experience investigating KPI performance issues and carrying out root cause analysis.
• Knowledge of Huawei, Ericsson and/or Nokia performance counters.
• Experience analysing network alarms and operational data.
• Incident management experience.
• Experience working within a live operational mobile network environment.
• Strong analytical and troubleshooting skills.
• Ability to make decisions using incomplete or ambiguous information.
• Strong communication skills.

Preferred Skills

• 4G and 5G network experience.
• Drive test analysis.
• Attoll experience.
• Coverage analysis and planning knowledge.
• SQL, Python, Power BI or other data analytics tools.Experience working with AI or automation tools.

Additional Information

• Operational support role covering extended service hours.
• Working hours fall between 8am-8pm Monday to Friday and 9am-5pm weekends and Bank Holidays on a rota basis.