Technical Architect - ServiceNow (Change Management & CMDB)
Location: London or Leeds
Rate: £450 - £575 inside IR35

We'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 Responsibilities Architecture & 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.
Establish and enforce platform guardrails, coding standards, reusable patterns, and configuration guidelines.
Conduct technical reviews and ensure proposed solutions adhere to architecture principles.Continuous Improvement

Evaluate platform enhancements, roadmap items, and new ServiceNow features relevant to Change & CMDB.
Identify performance bottlenecks and implement technical improvements.
Provide oversight and mentorship to developers, administrators, and functional teams.Essential Skills & Experience
Strong experience as a ServiceNow Technical Architect, ideally within enterprise or multi-supplier environments.
Deep expertise in Change Management, CMDB design, Data Model governance, and Discovery/Service Mapping.
Hands-on skills with ServiceNow IntegrationHub, API patterns (REST/SOAP), MID Servers, and event/monitoring integrations.
Proven ability to define platform architecture, technical standards, and scalable solution patterns.
Strong understanding of platform performance, data governance, and large-scale ServiceNow implementations.
Ability to communicate architecture decisions clearly to technical and non-technical stakeholders