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Technical Architect – ServiceNow (Change Management & CMDB)Location: London or LeedsRate: £450 - £575 inside IR35We’re seeking a highly capable ServiceNow Technical Architect to lead the design, governance, and optimisation of the Change Management and CMDB architecture within a large-scale enterprise environment. This role ensures technical integrity, platform scalability, and alignment with ServiceNow best practice across complex, multi-team delivery.Key ResponsibilitiesArchitecture & Design Define and govern the end-to-end technical architecture for Change Management and CMDB on the ServiceNow platform.Design data models, workflows, and integrations that ensure accuracy, scalability, and performance.Translate business and operational requirements into robust technical solutions aligned with ServiceNow standards. CMDB Ownership Shape the CMDB architecture, including class models, relationship mapping, data quality rules, reconciliation logic, and discovery patterns.Ensure CMDB design supports service, asset, and change workflows across the wider ecosystem.Oversee the integration of external data sources into the CMDB with strong data governance. Change Management Technical Leadership Architect automated and manual change workflows, approvals, risk calculations, and policy-driven logic.Ensure change models support high-volume environments and align with enterprise governance frameworks.Optimise release, deployment, and change orchestration through scalable technical patterns. Integration & Platform Governance Lead API, integration, and data-flow design between ServiceNow, ITSM tooling, monitoring platforms, and CMDB sources.Establis