Autonomous RAN Architect for Open RAN & AI Optimization

Capgemini; Greater London; Hybrid; 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

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