RAN Network Domain Architect

Capgemini Engineering; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid working model

Disability Confident Employer

Job summary

Capgemini is seeking a RAN Network Domain Architect to specialise in autonomous RAN operations, RAN optimisation, RAN assurance, Open RAN integration, RIC-based automation and AI-driven RAN self-optimisation.

You will collaborate across multi-vendor OSS platforms, define KPI models, develop closed-loop workflows for RAN optimisation and support Open RAN concepts, ensuring safe, policy-compliant actions across 4G/5G networks.

Qualifications

• Experience in telecom network architecture, operations, assurance, and optimisation.
• Strong understanding of autonomous network concepts and TM Forum Autonomous Network levels.
• Experience defining network KPIs, alarm models, performance models, and closed-loop remediation actions.
• Experience working with multi-vendor OSS and vendor domain platforms.

Responsibilities

• Define autonomous RAN use cases including self-optimising, self-healing, and energy optimisation.
• Define RAN KPI models covering accessibility, mobility, throughput, latency, and energy KPIs.
• Develop closed-loop workflows for RAN optimisation using OSS, SON, RIC, EMS/NMS, and vendors.
• Support Open RAN, near-real-time RIC, xApps, rApps, and service management concepts.
• Define RAN telemetry, configuration, topology, inventory, and performance data requirements.
• Support integration with RAN vendor platforms, OSS assurance, and orchestration layers.
• Validate RAN automation actions against policy, safety, and risk.

Skills

RAN architecture for 4G/5G

RAN KPI models

Open RAN, RIC, xApps, rApps

SON and closed-loop RAN optimisation

RAN inventory, topology, configuration

Multi-vendor RAN OSS integration

TMF Open APIs and vendor automation

Job description

Your Role

The RAN Network Domain Architect will specialise in autonomous RAN operations, RAN optimisation, RAN assurance, Open RAN integration, RIC-based automation, and AI-driven RAN self-optimisation.

Key Responsibilities

• Define autonomous RAN use cases including self-optimising RAN, self-healing RAN, interference management, energy optimisation, coverage optimisation, capacity optimisation, and fault prediction.
• Define RAN KPI models including accessibility, retainability, mobility, throughput, latency, PRB utilisation, interference, handover success, call drop, and energy KPIs.
• Develop closed-loop workflows for RAN optimisation using OSS, SON, RIC, EMS/NMS, and vendor automation platforms.
• Support Open RAN, near-real-time RIC, non-real-time RIC, xApps, rApps, and service management and orchestration concepts.
• Define RAN telemetry, configuration, topology, inventory, and performance data requirements.
• Support integration with RAN vendor platforms, OSS assurance systems, inventory, and orchestration layers.
• Validate RAN automation actions against policy, safety, customer impact, and operational risk.

Required Skills

• RAN architecture for 4G/5G.
• RAN KPIs and optimisation.
• Open RAN, RIC, xApps, rApps.
• SON and closed-loop RAN optimisation.
• RAN inventory, topology, configuration, and performance data.
• Multi-vendor RAN OSS integration.
• TMF Open APIs and vendor automation interfaces.

General Required Experience For Network Domain Architect

• Experience in telecom network architecture, operations, assurance, optimisation, or domain engineering.
• Strong understanding of autonomous network concepts and TM Forum Autonomous Network levels.
• Experience defining network KPIs, alarm models, performance models, and closed-loop remediation actions.
• Experience working with multi-vendor OSS and vendor domain platforms.
• Strong understanding of network telemetry, configuration, topology, and inventory data.
• Experience with intent management, policy management, and service assurance.
• Ability to work with AI/ML, automation, cybersecurity, and platform engineering teams.
• Strong documentation, communication, and stakeholder management skills.

Vendor-Specific Experience

• Ericsson RAN, Ericsson OSS/ENM, SON, automation and assurance interfaces.
• Nokia RAN, NetAct, SON, Nokia automation and assurance platforms.
• Samsung RAN or Open RAN solutions.
• Mavenir, Rakuten Symphony, Parallel Wireless, or other Open RAN ecosystem platforms.

Preferred Certifications

• TM Forum Autonomous Networks Practitioner.
• TM Forum Open API certification.
• Nokia, Ericsson, or cloud certifications/trainings relevant to the selected domain.

Make it real – what does it mean for you?

• Exposure to top global companies working with Capgemini (145 of the Fortune 500 companies)
• Open access to digital learning platforms
• Active employee networks promoting diversity, equity and inclusion like OutFront, CapAbility or Women@Capgemini

Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:

• Declare them have a disability, and
• Meet the minimum essential criteria for the role.
• Please opt in during the application process.

Capgemini. Make it real.

Need to know

• All roles will require a level of security clearance; BPSS OR Security Clearance OR Developed Vetting.
• Location: This is a permanent role with Capgemini, offering a hybrid working model. The client is based in Newbury and occasional travel to the client site will be required.
• You can bring your whole self to work. At Capgemini building an inclusive future is part of everyday life and will be part of your working reality. We have built a representative and welcoming environment, for everyone.

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion.

Make it real | www.capgemini.com