Senior Optimization Engineer - BiGOS & LiSEQ Specialist

Capgemini Engineering; Évora; Hybrid; EUR 42,000 - 62,000; Full time

Job summary

Capgemini Engineering is seeking a Mobile Network Optimization engineer in Portugal to analyze and optimize 2G/3G/4G/5G networks using Nokia BiGOS and LiSEQ. You will monitor KPI trends, identify performance bottlenecks, and drive corrective actions across multi-vendor environments.

Join a hybrid-work team delivering automated reports, dashboards, and executive-ready presentations while collaborating with Planning and Operations to enhance customer experience and efficiency.

Qualifications

• 4+ years of experience in Mobile Network Optimization.
• Experience with LTE and 5G optimization.
• Strong KPI analysis and troubleshooting skills.
• Experience with Nokia BiGOS, LiSEQ and OSS platforms.

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.
• Contribute to process automation and continuous improvement initiatives.

Skills

LTE & 5G

KPI Analysis

RAN Performance

Troubleshooting

Analytical Thinking

Tools

Nokia BiGOS

Nokia LiSEQ

Nokia OSS

Performance Monitoring

Job description

CAPGEMINI ENGINEERING

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

YOUR ROLE

• 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.
• Support optimization benchmarking and customer experience improvement initiatives.
• Validate optimization recommendations through performance monitoring and KPI tracking.
• Collaborate with Planning, Operations, and Customer teams to implement optimization actions.
• Generate regular performance reports and executive presentations.
• Contribute to process automation and continuous improvement initiatives.

YOUR PROFILE

• Minimum 4 years of experience in Mobile Network Optimization.
• Strong knowledge of:
• LTE and 5G Optimization
• RAN Performance Management
• KPI Analysis
• Capacity and Coverage Optimization
• Customer Experience Analysis
• Troubleshooting and Root Cause Analysis

• Hands-on experience with:
• Nokia BiGOS
• Nokia LiSEQ
• Nokia OSS platforms
• Performance Monitoring solutions
• Experience in multi-vendor environments is considered an advantage.
• Strong analytical and problem-solving skills

What You’ll Love About Working Here

• Join a multicultural and inclusive team environment.
• Enjoy a supportive atmosphere promoting work-life balance.
• Engage in exciting national and international projects.
• Hybrid work.
• Your career growth is central to our mission. Our array of career growth programs and diverse professionals are crafted to support you in exploring a world of opportunities.
• Training and certifications programs.
• Health and life insurance.
• Referral program with bonuses for talent recommendations.
• Great office locations.

About Capgemini

Capgemini is the business transformation partner for enterprises in the age of AI. We help organizations imagine and build an intelligent, sustainable future, combining AI, technology and human ingenuity to transform how they operate, innovate and grow. With unique end-to-end capabilities spanning strategy, technology, engineering and intelligent operations, we bring together deep industry expertise and market‑leading capabilities in AI, cloud and data to turn ambition into measurable business outcomes at scale. Supported by a robust ecosystem of partners and nearly 60 years of expertise, Capgemini is a responsible and diverse global organization of over 410,000 team members in more than 50 countries.