> Markdown version of [/jobs/ext/1435067-data-engineer](https://www.wearedevelopers.com/jobs/ext/1435067-data-engineer). 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 Engineer - **Company:** Cognizant - **Location:** London, UK - **Contract:** Permanent contract - **Skills:** Data Analysis, Microsoft Azure, Big Data, Cloud Storage, Information Engineering, Data Governance, Extract Transform Load (ETL), Data Transformation, DevOps, Logic Synthesis of Circuits, Python (Programming Language), Azure Data Lake, SQL Databases, Azure Data Factory, Apache Spark, Git, SC Clearance, Microsoft Fabric, Data Lakes, Pyspark, Infrastructure Automation Frameworks, Information Technology, Data Lakehouse, Azure Synapse Analytics, Software Version Control, Data Pipelines, Legacy Systems, Databricks - **Published:** July 25, 2026 - **Apply:** https://dejobs.org/x/x/C38F495372974BF599D584A31B09CE9F/job/ ## About the Role * Strong experience with Microsoft Azure Fabric (Lakehouses, Data Pipelines, Dataflows Gen2, Fabric Notebooks) * Strong experience with Azure Data Factory (ADF) for orchestration and data movement * Strong proficiency in PySpark, SQL, and Python for large-scale data transformation * Strong experience with Delta Lake, Apache Spark, and OneLake architecture * Good knowledge of Microsoft Purview for data governance, cataloguing, and lineage * Good experience with Azure DevOps, Git-based version control, and CI/CD pipelines * Good understanding of data lakehouse architecture (medallion architecture - Bronze/Silver/Gold) * Good knowledge of Azure storage services (ADLS Gen2, Azure Blob Storage Nice to have skills * Experience with Azure Synapse Analytics or migration from Synapse to Fabric * Familiarity with Databricks or equivalent distributed processing platforms * Experience in UK public sector or government data environments * Understanding of SC clearance requirements and government security classifications * Knowledge of DDAT frameworks and GDS delivery standards, * Relevant degree in Computer Science, Data Engineering, or related discipline (or equivalent experience) * Microsoft Certified: Azure Data Engineer Associate (DP-203) - desirable * Microsoft Fabric Analytics Engineer (DP-600) - desirable ## Description * This is a pivotal engineering role at the heart of one of the most significant data transformation programmes in UK government. You will be joining a strategic engagement programme to design, build, and operationalise a cloud-native data lakehouse on Microsoft Azure Fabric. * This is with the UK's largest public service department, serving over 22 million citizens, and this platform will directly underpin data-driven decision-making at national scale. * You will take a leading role in the design and delivery of data pipelines, data transformation layers, and lakehouse infrastructure using Microsoft Fabric, Azure Data Factory, and related Azure-native technologies. * You will work in agile squads alongside architects, analysts, and DevOps engineers, contributing to private beta builds, public beta expansion, and full platform operationalisation., * Design, build, and optimise data pipelines using Microsoft Fabric (Data Factory, Dataflows Gen2) and Azure Data Factory to ingest data from legacy systems and third-party sources. * Develop and maintain the Bronze, Silver, and Gold layers of the lakehouse architecture using OneLake, Delta Lake, and Apache Spark within Fabric. * Implement data transformation logic using PySpark, SQL, and Fabric Notebooks; ensure data quality, lineage, and cataloguing via Microsoft Purview. * Collaborate with Technical Architects and Infrastructure Engineers to support CI/CD pipelines, infrastructure-as-code, and platform automation * Contribute to knowledge transfer workshops, running instructions, and documentation to build internal capability. * Support governance compliance including Digital Design Authority reviews, Red Lines Assessments, and security controls. ## Related Videos - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [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) - [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)