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The Senior Test Engineer at NTT DATA will be responsible for leading the quality assurance efforts for the Informatica-to-dbt migration. This role requires a minimum of 8 years of experience in data testing, with strong skills in SQL and Python. The candidate will define testing strategies, validate data processes, and mentor junior engineers. Responsibilities include establishing testing standards, overseeing data validation, and coordinating testing activities across multiple migration waves. NTT DATA offers a dynamic work environment with opportunities for professional growth.
Job Responsibility:
Define the overall test strategy, test approach, and validation framework for EL and dbt Transform components
Establish testing standards, reusable test cases, and automation patterns where applicable
Validate Python-based extract/load processes for: Row counts, Schema alignment, Data completeness, Data type consistency
Oversee dbt transformation validation, including: Pre- vs post-migration data reconciliation, Aggregation and business rule validation, Incremental and full-load behavior
Review and approve test execution results and defect triage
Coordinate testing activities across SWP and IMS migration waves
Partner with Informatica SMEs to understand legacy validation logic and expected outputs
Support SIT, UAT cycles, and production release readiness
Provide reporting on test progress, defect trends, and release quality metrics
Requirements:
8+ years of data testing experience in large-scale data migration or ETL programs
Strong SQL skills (Oracle, SQL Server, or similar RDBMS)
Experience validating ETL/ELT pipelines and transformations
Familiarity with dbt testing concepts (schema tests, data tests preferred)
Experience testing Python-based data pipelines
Strong understanding of reconciliation techniques and data validation frameworks
Prior experience working in offshore delivery models