Job Description

Job Summary

Role : Senior Data Engineer - Data Migration & Modelling

Data Engineer - Gurgaon - 7 to 9 Years - E2.2

We are seeking a highly skilled Senior Data Engineer - Data Migration & Modelling to support a strategic Transformation programme involving migration from Oracle & SQL Server to PostgreSQL on AWS.

The candidate will work closely with the Lead Architect and engineering teams to design data models, execute large-scale data migrations, develop ETL solutions, and support reporting and analytics requirements. This is a hands-on delivery role requiring

extensive experience in enterprise-scale data migration and cloud-based data engineering.

Key Responsibilities

Key Responsibilities

Data Modelling

• Design and maintain conceptual, logical, and physical data models.
• Analyse existing Oracle data structures and define target PostgreSQL data models.
• Produce source-to-target mappings and transformation specifications.
• Support data lineage, reconciliation, and data quality activities.
• Ensure compliance with enterprise data standards and architectural principles.

Data Migration Strategy

• Execute end-to-end Oracle to PostgreSQL migration activities.
• Perform schema analysis, data mapping, conversion, validation, and reconciliation.
• Identify and resolve migration performance and data integrity issues.
• Support migration planning, dress rehearsals, cutover execution, and post-migration stabilisation.
• Develop automation for migration validation and reconciliation processes.

Data Engineering & ETL

• Design and develop ETL/ELT pipelines for data ingestion and transformation.
• Build scalable data processing solutions using AWS services.
• Implement monitoring, controls, and data quality checks.
• Support CI/CD and deployment automation for data engineering solutions.
• Optimise data pipelines for performance, scalability, and resilience.

AWS Platform Delivery

• Deliver solutions leveraging AWS technologies including:
• Support performance tuning and operational readiness of data platforms.

Reporting & Analytics

• Support creation of reporting-ready datasets and data marts.
• Collaborate with reporting teams to ensure consistency and usability of data.
• Support Power BI, QuickSight, or equivalent reporting solutions.

Skill Requirements

Essential Skills & Experience

• 12-15 years of experience in Data Engineering
• Strong hands-on experience in enterprise data modelling.
• Proven delivery experience on large-scale Oracle to PostgreSQL migration programmes.
• Strong SQL and database performance tuning expertise.
• Experience developing ETL/ELT pipelines and data integration solutions.
• Strong AWS data platform experience.
• Experience with data validation, reconciliation, and migration testing.
• Ability to work independently while collaborating with architects, engineering teams, and business stakeholders.

Other Requirements