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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # ServiceNow Data and CMDB Specialist - **Company:** DGH Recruitment - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Services, Business Software, Configuration Management Databases, Configuration Management, ServiceNow IT Service Management, Servicenow - **Published:** September 19, 2026 - **Apply:** https://www.totaljobs.com/job/data-specialist/dgh-recruitment-job108004993 ## About the Role * Typically, at least 5 years' relevant ServiceNow experience, including practical experience in CMDB, configuration management and platform data. * Strong working knowledge of ServiceNow CMDB, including CI classes, relationships, lifecycle management, data quality and governance. * Good understanding of CSDM and how service, application and infrastructure data should be structured and related within ServiceNow. * Experience of ServiceNow Discovery, Service Mapping, Identification and Reconciliation Engine principles, imports and integration data sources. * Hands-on experience maintaining or improving a CMDB within a medium-to-large organisation, including work with CI classes, relationships, data sources, reconciliation, data-quality controls and remediation. * Practical experience creating ServiceNow reports and dashboards, turning business requirements into meaningful measures, and checking that reports, dashboards and performance measures are accurate. ServiceNow Data and CMDB Specialist ## Description * Own the governance, quality and ongoing maturity of the ServiceNow CMDB, making sure CI data and relationships are accurate, complete, current and fit for purpose, and maintain the CMDB data model, CI classes, attributes, relationships and lifecycle standards in line with ServiceNow best practice and the Common Service Data Model (CSDM). * Own the service mapping data model, governance and quality standards, working with service owners and Platform Engineering to make sure business applications, application services, technical services and supporting infrastructure are recorded and related at the appropriate level. * Work with service, application, infrastructure and data owners to agree ownership, data requirements and responsibilities for maintaining configuration and service data, and maintain appropriate controls for creating, updating, reconciling, retiring and deleting CIs. * Monitor CMDB health through regular data-quality reviews covering completeness, correctness, compliance, duplication, stale records and missing or inaccurate relationships, investigate root causes and work with the relevant owners to agree and track corrective action. * Establish governance standards for data supplied to ServiceNow by other systems, including authoritative sources, ownership, definitions, quality expectations and frequency of updates, and maintain a clear record of the main data sources, owners, integration dependencies and agreed controls. * Work with source-system owners and integration teams to understand how data moves between systems, monitor and reconcile data received through inbound feeds and integrations, and coordinate corrective action where issues are found. * Consider data-governance requirements when new integrations, services and automation are being designed, and work with the Principal ServiceNow Developer, ServiceNow Solutions Developer and Senior ServiceNow Platform Specialist to make sure integrations, discovery sources, imports and automated feeds update ServiceNow data correctly ServiceNow Data and CMDB Specialist ## Related Videos - [Applying Agile Principles to Incident Management ](https://www.wearedevelopers.com/videos/101-applying-agile-principles-to-incident-management) - [Planet-Scale Dashboards](https://www.wearedevelopers.com/videos/1618-planet-scale-dashboards) - [Building Better Apps with React Native](https://www.wearedevelopers.com/videos/1466-building-better-apps-with-react-native) - [Open Source: The Engine of Innovation in the Digital Age](https://www.wearedevelopers.com/videos/1103-open-source-the-engine-of-innovation-in-the-digital-age) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) - [Cloud-nativeApplications- What’s the buzz about](https://www.wearedevelopers.com/videos/55-cloud-nativeapplications-what-s-the-buzz-about) ## Related Articles - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk)