Principal Data Performance and Systems Analyst (12 Months FTC)

Directorate: Strategy & Innovation Contract Type: 12 Months Fixed Term Contract Hours: 36 Salary: £64,839 - £72,294 (Grade L) Location: Hybrid (Colindale) Closing Date: Midnight 8th Nov 2026 Important Information for Current Barnet Council Employees Where possible, employees who have access to Oracle are encouraged to apply via the Opportunity Marketplace (Internal Career Site). This helps to ensure applications are correctly identified as internal and avoids potential delays during the recruitment process. About Barnet Council Barnet is a borough with much to be proud of. Our excellent schools, vibrant town centres, vast green spaces and diverse communities all help make it a great place to live and work. As a council we want to build on these strengths as we move into the future. We are growing and developing as an organisation to meet the challenges facing our borough and we are committed to working with partner organisations and residents to make Barnet even better. As an organisation, our staff are committed to Our Values: Learning to Improve, Caring, Inclusive, Collaborative – which drive everything we do. About the role This is an opportunity to play a leading role in a major council-wide system migration from Idox to Arcus. Working across council services, technical teams and suppliers, you will lead the data, systems and performance workstream underpinning the migration. You will translate operational requirements into effective system, data and reporting solutions, while providing clear assurance that the new platform is ready for implementation. You will oversee data discovery, profiling, cleansing, mapping, transformation, migration, reconciliation and validation. You will also support the design, configuration and testing of Arcus, including workflows, forms, interfaces, integrations, access controls and management information. Beyond implementation, you will help establish sustainable arrangements for system ownership, data stewardship, reporting and continuous improvement. You will ensure that Arcus integrates effectively with the council’s wider data architecture, creating secure and reliable foundations for joined-up insight, advanced analytics and the responsible use of artificial intelligence. Please c lick here to download the Job description for this role. (Right-click and select “Open in new tab” so you can keep the job description open while completing your application) About you We are looking for an experienced data and systems professional with the technical expertise, leadership skills and practical judgement needed to support a complex migration. You will bring: Experience of Idox and/or Arcus, with an understanding of the data, workflows, processes and reporting requirements associated with local government or regulatory services systems. Substantial experience of leading data, systems, reporting or performance workstreams within a complex transformation, migration or system implementation programme. Strong practical experience of data profiling, cleansing, mapping, transformation, migration, reconciliation, validation and quality assurance. Experience of defining business and technical requirements and supporting system configuration, workflow development, integration, testing and implementation. Knowledge of relational databases, data models, SQL, APIs, system interfaces, extract-transform-load processes, metadata, access controls and data architecture. Experience of relevant Microsoft technologies, such as Power BI, Power Query, Excel, Power Platform, SQL Server, Azure SQL, Microsoft Fabric or Azure data services. A sound understanding of data governance, information security, data protection, records management and accessibility requirements. The ability to lead complex work, manage risks and dependencies, challenge constructively and communicate technical information clearly to services, suppliers and senior stakeholders. You will be confident working across organisational and technical bounda