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NTT DATA Logo NTT DATA · IT - Software Development

Data Migration Engineer

United Kingdom, London Employment contract · Job Posted May 29, 2026
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Job Responsibility

  • Support delivery within data migration programmes, contributing to key workstreams
  • Collaborate with architects, engineers, and stakeholders to implement migration solutions
  • Assist in planning and executing data migration tasks and deliverables
  • Build and maintain data migration pipelines from legacy data warehouses to AWS-based platforms
  • Develop ETL/ELT pipelines using: AWS Glue, Python / PySpark, SQL, YAML configurations
  • Support execution of bulk data migrations and incremental/delta loads
  • Assist with pipeline repointing and migration to cloud environments
  • Test ETL/ELT data pipelines on AWS services, including AWS Glue and Apache Iceberg
  • Support validation of data pipeline migrations to AWS Data Lakehouse architectures
  • Test pipelines using: Python/PySpark transformations, SQL-based validation logic, YAML-driven configurations
  • Execute and validate: Initial bulk data loads, Incremental/delta data processing
  • Write and run SQL queries to validate: Data completeness, Data accuracy, Transformation outputs
  • Support development of test scripts and validation checks
  • Work with AWS services including: AWS Glue, S3-based data lakes
  • Support implementation of Data Lakehouse architectures, including Apache Iceberg
  • Contribute to improving pipeline performance and reliability
  • Apply transformation logic based on defined data mapping rules
  • Support preparation of data for target-state models
  • Assist in ensuring consistency between source and target datasets
  • Work collaboratively with: Solution Architects, Data Engineers, Data Migration Architects, Analysts and QA teams
  • Follow established engineering standards and best practices
  • Contribute to documentation and reusable components
  • Support maintenance of data quality and integrity during migration
  • Follow secure data handling practices
  • Assist with compliance requirements, including: GDPR, Public sector data standards (where applicable)
  • Contribute to testing, validation, and audit activities

Requirements

  • Experience in data engineering or data migration delivery
  • Strong focus on testing, validation, and data quality assurance
  • Ability to work across data pipelines and transformation workflows
  • Good analytical and problem-solving skills
  • Effective communication and teamwork skills
  • Willingness to learn and develop in data migration and cloud technologies
  • Hands-on experience with: AWS cloud services, especially AWS Glue, Python / PySpark, SQL querying and validation
  • YAML configuration (desirable)
  • Experience testing or supporting: ETL/ELT pipelines, Data migration processes
  • Familiarity with: Data lake / Lakehouse concepts (e.g., Apache Iceberg), Distributed processing frameworks (e.g., Spark)
  • Basic understanding of: ETL vs ELT approaches, Cloud-based data architectures
  • Exposure to version control and CI/CD tools desirable

Nice to have

  • YAML configuration (desirable)
  • Exposure to version control and CI/CD tools desirable

What we offer

  • Range of tailored benefits that support your physical, emotional, and financial wellbeing
  • Continuous growth and development opportunities
  • Flexible work options
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