5G Network Optimization Engineer — BiGOS & LiSEQ Specialist

Capgemini; Portugal; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Health and life insurance

Hybrid work

Training and certifications programs

Referral program with bonuses

Job summary

Capgemini Engineering in Portugal is seeking a Senior Optimization Engineer to perform network performance analysis and optimization using Nokia BiGOS and LiSEQ tools across 2G-5G networks. You will monitor KPIs, identify issues, and drive corrective actions in a multi-vendor environment.

The role offers hybrid work, collaboration with planning, operations and customer teams, and opportunities for process automation, dashboards, and executive reporting as part of continuous improvement.

Qualifications

• 4+ years of experience in Mobile Network Optimization.
• Strong knowledge of LTE and 5G optimization, RAN performance management and KPI analysis.
• Experience with multi-vendor environments is an advantage.
• Proven ability to troubleshoot and perform root cause analysis.

Responsibilities

• Perform network performance analysis and optimization using Nokia BiGOS and LiSEQ tools.
• Monitor, analyze, and improve network KPIs across 2G, 3G, 4G, and 5G networks.
• Identify network performance issues and drive corrective optimization actions.
• Develop automated reports and dashboards to support operational and customer requirements.
• Perform trend analysis and root cause investigations.
• Collaborate with Planning, Operations, and Customer teams to implement optimization actions.
• Generate regular performance reports and executive presentations.

Skills

LTE/5G optimization

RAN performance management

KPI analysis

Capacity and coverage optimization

Customer experience analysis

Troubleshooting & root cause analysis

Tools

Nokia BiGOS

Nokia LiSEQ

Nokia OSS platforms

Performance monitoring solutions

Job description

Capgemini Engineering in Portugal is seeking a Senior Optimization Engineer to perform network performance analysis and optimization using Nokia BiGOS and LiSEQ tools across 2G-5G networks. You will monitor KPIs, identify issues, and drive corrective actions in a multi-vendor environment.

The role offers hybrid work, collaboration with planning, operations and customer teams, and opportunities for process automation, dashboards, and executive reporting as part of continuous improvement.