RAN Network Domain Architect

Capgemini; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Capgemini is seeking a RAN Network Domain Architect in the UK, based in Newbury with hybrid working. The role focuses on autonomous RAN operations, RAN optimisation, and Open RAN integration across multi-vendor OSS and orchestration layers.

Strong expertise in 4G/5G RAN, RIC, xApps and AI-driven self-optimisation is required. Candidates will define KPI models, develop closed-loop workflows, and collaborate with AI/ML, cybersecurity, and platform engineering teams to deliver secure, scalable RAN

Qualifications

• Experience in telecom network architecture, operations, assurance, optimisation, or domain engineering.
• Understanding autonomous network concepts and TM Forum Autonomous Network levels.
• Experience defining network KPIs, alarm models, performance models, and remediation actions.
• Ability to work with AI/ML, automation, cybersecurity, and platform engineering teams.
• Strong documentation, communication, and stakeholder management skills.

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.

Skills

RAN architecture (4G/5G)

RAN KPIs & optimisation

Open RAN, RIC, xApps, rApps

SON & closed-loop RAN optimisation

RAN inventory, topology & data

Multi-vendor OSS integration

TMF Open APIs

Job description

# RAN Network Domain ArchitectLondonApply for this job* Permanent* Experienced Professionals* Products & Systems Engineering* ID 517614-en\_GB## **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.## **Your Profile****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.If you're excited about this role but don’t meet every requirement, we stillencourage you to apply, your unique experience could be just what we need.## **Make it real – what does it mean for you?*** Exposure to top global companies working withCapgemini (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@CapgeminiCapgemini 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 they 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 inclusivefuture is part of everyday life and will be part of your working reality. We havebuilt a representative and welcoming environment, for everyone.