Junior Data Validation Engineer – DW/ETL Testing

NTT DATA, Inc.; Indianapolis (IN); On-site; USD 70,000 - 110,000; Full time

Job summary

NTT DATA, Inc. in Indianapolis seeks a Software QA Analyst focused on data warehouse validation and migration testing. You will design and execute validation queries, compare source/target outputs across Snowflake, Databricks, and dbt, and log defects for root-cause analysis.

You will work with onshore/offshore teams, validate CDC/incremental loads, and perform regression tests across migration waves to ensure data integrity and accurate downstream reports.

Qualifications

• 2-4 years of experience in Software Testing / QA, with at least 2+ years in Data Warehouse / ETL testing.
• Practical experience in data migration / data platform modernization projects is strongly preferred.

Responsibilities

• Execute data validation queries to compare source vs target outputs.
• Perform row-count checks between source and target tables.
• Aggregate validations (sums, counts, averages, distinct counts, min/max).
• Sample and cell-level comparisons for critical entities and fields.
• Validate schema consistency (data types, lengths, precision/scale, nullable fields, constraints).
• Log discrepancies and support root-cause analysis with developers.

Skills

SQL

QA/testing

Data validation

Data migration

Cross-platform validation

Root-cause analysis

Tools

Snowflake

Databricks

dbt

Informatica

Job description

NTT DATA, Inc. in Indianapolis seeks a Software QA Analyst focused on data warehouse validation and migration testing. You will design and execute validation queries, compare source/target outputs across Snowflake, Databricks, and dbt, and log defects for root-cause analysis.

You will work with onshore/offshore teams, validate CDC/incremental loads, and perform regression tests across migration waves to ensure data integrity and accurate downstream reports.