> Markdown version of [/jobs/ext/791478-data-test-lead](https://www.wearedevelopers.com/jobs/ext/791478-data-test-lead). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Test Lead - **Company:** Cognizant - **Location:** Sheffield, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Big Data, Databases, Data Architecture, Data Validation, Data Integration, Extract Transform Load (ETL), Data Transformation, Data Migration, Data Warehousing, Dimensional Modeling, Microsoft SQL Server, SQL Azure, Power BI, Strategies of Testing, Azure Data Factory, Microsoft Fabric - **Published:** June 3, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=a72fe6f3ccbb724a ## About the Role Do you have experience in Test automation?, Strong hands-on experience in data validation, reconciliation, ETL testing, and data migration testing. Good working knowledge of Microsoft Fabric, with hands-on experience in Lakehouse architecture and data integrations. Proven experience with Azure Data Platform, including validation of ETL processes, data transformations, and migration activities. Demonstrated ability to define test strategies, frameworks, and best practices, while leading testing teams effectively. Strong experience in stakeholder management and communication, ensuring alignment between business and technical teams. Good understanding of Power BI, including validation of reporting and data outputs. Solid expertise in Microsoft SQL Server / Azure SQL Database for data validation and testing activities. Experience in testing across data warehouse environments (dimensional models, large datasets). Familiarity with database and ETL test automation tools to improve efficiency and coverage. ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Beyond Dashboards: Fixing Text-to-SQL with Semantic RAG](https://www.wearedevelopers.com/videos/2036-beyond-dashboards-fixing-text-to-sql-with-semantic-rag) - [Data Analytics with Microsoft Fabric: End-to-End Use Case with Data Agents](https://www.wearedevelopers.com/videos/1547-data-analytics-with-microsoft-fabric-end-to-end-use-case-with-data-agents) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk)