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Data Engineer

00069024301

Role: Data Engineer

Employment: Full time

Hybrid: Once per week

Leeds/London/Sheffield/

SC Cleared or SC Eligible (Mandatory)

Job summary

  • This is a pivotal engineering role at the heart of one of the most significant data transformation programmes in UK public sector client. 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.

Key responsibilities

  • 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.

Essential requirements

  • 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

Qualifications

  • 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

What we offer

  • The chance to work with impact. Here, you’re empowered to bring your biggest thinking to help our company and clients improve everyday life.
  • Ownership over your career. Stay at the top of your game through our award-winning learning and development ecosystem. And when your ambitions change or we offer new opportunities, we help you pivot by providing reskilling, on-the-job learning and guidance to find new roles that might be a better fit.
  • The opportunity to thrive on a high caliber team with heart. We celebrate each other’s experiences and perspectives and promote a sense of belonging through our affinity groups and diversity and inclusion initiatives.
  • A comprehensive total rewards package, including a competitive salary and a pension plan with matching contributions.
  • Flexible health and financial benefits to support you and your eligible dependents—from day one.
  • True work-life balance. Be at your best through paid time off, flexible work arrangements, volunteering opportunities, social events, and so much more.  

About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.

Other employment-related information
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.

Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.

Your path to Cognizant

Wondering what to expect after you apply? Here’s a peek at our recruitment process—and keep in mind that not all candidates advance through every step and the process may vary depending on your role and location.

Your Application Midnight Blue RGB

Step 1: Application

Find an open role that aligns with your skills and career goals and show us why you’re the person for the job. Consider joining our Talent Community if you don’t find the right opportunity.

Phone Call Midnight Blue RGB

Step 2: Recruiter call

If one of our recruiters sees a fit, they’ll set up a short introductory call to learn more about you and how your experiences and skills align with the role.

Step 3: Interview(s)

If you and our team would like to continue the process, you’ll meet with one of our hiring managers. Some roles may also require technical assessments and/or client interviews.

Step 4: Final decision

Our hiring team will then review each candidates’ potential to succeed in the role. This process may take some time because we want to get it right—but you can count on us to keep you updated.

Benefits that help you thrive and grow

Our teams achieve incredible things when they feel fully supported. That’s why our benefits program is built around the diverse needs of our people—so they can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

Financial wellbeing

We regularly review market data to ensure compensation is competitive and reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, discount programs, etc.

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Physical and mental wellbeing

Physical and mental wellbeing

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

Your Career, Your Way
Your career, your way

Your career, your way

With 90% of our associates building skills through GenAI training, job shadowing, industry certifications and more, you have everything you need to build a full career.

Professionals
Real-world impact

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

02.2026 Superlearner Debashish
"Cognizant has one of the best learning ecosystems you can ask for. From sponsored certifications to training platforms to mentorship, we have all that we need to grow.”
Debashish Mishra SAP MM Developer
Laura Reynaud
"Cognizant offers me more than a job; it offers a community. We support each other, collaborate across borders and celebrate wins together. If you’re looking for a culture that values flexibility, diversity and growth, this is the place to be."
Laura Reynaud Lead Counsel
Lucas Hoffman
“I’ve had the chance to work on impactful projects and shadow colleagues, all while getting involved in internal initiatives. The world is your oyster at Cognizant—you just need to take advantage of it!”
Lucas Hoffman Consultant
Sujatha’S Journey Main
“When I first joined, I was quiet and hesitant to share my thoughts. The leadership programs and the mentoring I’ve received have helped me find my voice and grow as a leader.”
Sujatha Gopalakrishnan Portfolio Delivery Lead
Paulo Miguel Epili Main
"Nobody here says ‘that’s not my job.’ People just help. That’s the entrepreneurial culture that makes me stay at Cognizant.”
Paulo Miguel Epili Sr. Process Executive

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