Senior Test Engineer - Data Migration & Validation

Offshore Sr. Test Engineer

Req ID: 356234 

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Offshore Sr. Test Engineer to join our team in Bangalore, Karnātaka (IN-KA), India (IN).

Job Duties: Senior Test Engineer Role Overview The Senior Test Engineer serves as the quality owner for the Informatica-to-dbt migration, responsible for defining and overseeing the end-to-end testing strategy across Extract, Load, and Transform layers. This role ensures data is landed accurately from source systems using Python-based ingestion and that dbt transformations meet functional equivalence with legacy Informatica outputs. The Senior Test Engineer provides test leadership across multiple migration waves and parallel business units (SWP and IMS), while mentoring Test Engineers and coordinating closely with Technical Leads and SMEs. Key Responsibilities · 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: o Row counts o Schema alignment o Data completeness o Data type consistency · Oversee dbt transformation validation, including: o Pre- vs post-migration data reconciliation o Aggregation and business rule validation o 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 Minimum Skills Required: Required Skills & Experience · 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

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us.

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Experience Level

Senior Level