Data Tester- Onshore-D1 - Testing

Job Title: QET ETL Testing – Manager - London

About the Job you are considering:

A results‑driven data quality and ETL testing specialist experienced in leading end‑to‑end QA strategies for large‑scale data transformation programmes. Skilled in validating complex datasets across cloud, big data, and traditional platforms with strong focus on governance, automation, and risk‑based testing. Proficient in ETL testing, data reconciliation, lineage checks, and managing multi‑phase test cycles across Agile environments. Brings strong Financial Services and Insurance domain expertise, especially in Property & Casualty and Reinsurance.

Hybrid working:
The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.

Job Role

• Define and implement comprehensive Data QA/ETL testing strategies for large-scale data transformation programmes.
• Establish QA governance frameworks, processes, and quality gates across SDLC/Agile lifecycle.
• Develop test plans, test scenarios, test data strategies, and acceptance criteria for ETL, data migration, data validation, and reporting layers.
• Ensure risk-based testing approaches and establish KPIs, traceability matrices, and reporting structures.
• Lead validation of large-scale datasets across landing, raw, validated, curated, and reporting zones.
• Oversee ETL and data pipeline testing, including source-to-target validation, data reconciliation, transformation rule verification, schema validation, and data lineage checks.
• Drive automation opportunities for data quality, regression testing, and pipeline validations.
• Manage functional, integration, regression, UAT, and production validation cycles.
• Demonstrate strong ETL/Data Testing expertise across SQL, Oracle, Big Data (Hive, HBase, HDFS), and Azure ADF/ADB.
• Validate large-scale data migrations and cloud transformation programmes.
• Use Jira, Confluence, GitLab, IntelliJ, HPALM, Tosca, and Agile methodologies effectively.
• Perform data analysis, data mining, and produce detailed data quality and reconciliation reports.
• Bring strong domain experience across Financial Services and Insurance, particularly in Property & Casualty (PC) Insurance and Reinsurance.
  
  

Job Skills

• Strong ETL Data Testing expertise SQL Oracle Big Data Hive H Base HDFS Azure ADFADB.
• Handson experience validating largescale data migrations and cloud transformations.
• Sound experience with Jira Confluence GitLab IntelliJ HPALM Tosca and Agile methodologies.
• Experience with data analysis data mining and generating data quality reports Domain.
• Experience working across
• Financial Services Insurance Strong domain exposure particularly in PC Insurance Reinsurance"
  
  

We are a Disability Confident Employer:

Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:

• Declare they have a disability, and 
• Meet the minimum essential criteria for the role.

Please opt in during the application process.

Make It Real (what does it mean for you):

• You’d be joining an accredited Great Place to work for Wellbeing in 2024. Employee wellbeing is vitally important to us as an organisation.  We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions. 
  To help support wellbeing we have trained ‘Mental Health Champions’ across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy.
• You will be empowered to explore, innovate, and progress. You will benefit from Capgemini’s ‘learning for life’ mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard Manage Mentor, Cybersecurity qualifications and much more.
• You will be joining one of the World’s Most Ethical Companies®, as recognised by Ethisphere® for 13 consecutive years. We live our values by making ethical business choices every day. Working ethically is at the centre of our culture at Capgemini, meaning you will be helping to create a future we can all be proud of.
  
  

Why you should consider Capgemini:

Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask.  When you join Capgemini, you’ll join a thriving company and become part of a collective of free-thinkers, entrepreneurs and industry experts.  We find new ways technology can help us reimagine what’s possible.  It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future.  By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.

About Capgemini:

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.
Make it real | www.capgemini.com.