Service Architect

SC Cleared Service ArchitectLondon, England (Hybrid)

We are seeking an experienced Service Architect to support key government programmes, responsible for designing, governing, and maintaining high-quality service models aligned to the Common Service Data Model (CSDM) and Enterprise Architecture (EA) standards.

Working within a federated environment, you will collaborate with cross-functional teams to establish robust CMDB practices, service mapping, and dependency models. You will play a key role in improving data quality, governance, and ensuring service data remains accurate, reliable, and fit for purpose.

Key Responsibilities

• Design and deliver scalable CSDM-aligned service models, maintaining CMDB governance including policies, standards, and controls.
• Lead service mapping across business and technology layers, defining end-to-end relationships and dependencies.
• Align service models with EA standards and roadmaps, engaging stakeholders to drive adoption of best practice.
• Ensure data accuracy and integrity within the CMDB, embedding service modelling into agile delivery and continuous improvement.
• Provide subject matter expertise across service architecture, CMDB, and service data governance.

Requirements

• Proven experience as a Service Architect (or similar) within complex enterprise environments, with strong CSDM service modelling expertise.
• Experience in CMDB design, governance, and administration, alongside service mapping and dependency modelling.
• Ability to operate within federated organisations, influencing stakeholders and driving best practice adoption.
• Experience implementing data quality frameworks and governance controls within agile delivery environments.
• Strong understanding of service modelling frameworks, Enterprise Architecture principles, and CMDB platforms (e.g. ServiceNow).
• ITIL (ideally ITIL 4), ServiceNow CIS, TOGAF (or similar), SC Clearance

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