RAN Network Domain Architect

Capgemini Engineering; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Capgemini Engineering is seeking a Senior RAN Network Domain Architect in Newbury for a permanent hybrid role. You will focus on autonomous RAN operations, RAN optimisation, and AI‑driven self‑optimisation, interfacing with OSS/EMS/NMS platforms and Open RAN ecosystems.

You will shape KPI models and closed‑loop workflows to drive performance and reliability. The role requires experience in multi‑vendor OSS, telemetry, topology, and policy management, plus strong stakeholder communication and

Qualifications

• 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.

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 covering 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 for 4G/5G

RAN KPIs and optimisation

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

Tools

Ericsson OSS/ENM

Nokia NetAct

Samsung RAN/Open RAN solutions

Open RAN ecosystem platforms (Mavenir/Rakuten)

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 covering 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 Required

• 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.

Experience Requirements

• 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.

Location and Working Conditions

• Permanent role in Newbury with a hybrid working model; occasional travel to client site required.
• All roles require a level of security clearance: BPSS or higher.

Equal Opportunity Statement

Capgemini is a Disability Confident Employer (Level 2). We will offer an interview to all candidates who declare they have a disability and meet the minimum essential criteria for the role.