Senior Data QA Engineer — Snowflake & Databricks Expert

NTT DATA, Inc.; Atlanta (GA); On-site; USD 83,000 - 96,000; Full time

Benefits offered by this job

Medical, dental, and vision

401k program

Employee assistance

Job summary

NTT DATA, Inc. in Atlanta, Georgia seeks a Senior QA Data Engineer to own the most complex test design and validation for data transformations and ingestion processes.

You will craft detailed test plans, execute data validation across base tables and tabular cubes, and drive root-cause analyses for high-impact data issues while contributing to Python/Databricks automation assets. You will write Python scripts and SQL for data comparisons, author DAX queries for cube validation, and mentor junior

Qualifications

• 5-7 years of QA experience with data warehouse, ETL/ELT, or pipeline testing.
• 5-7 years of hands-on testing experience on Snowflake and Databricks.
• 5-7 years of strong Python skills for validation scripting and automation.
• 5-7 years of advanced SQL skills, including joins, aggregations, window functions, and reconciliation patterns.

Responsibilities

• Create comprehensive test plans and test cases for new transformations and ingestion processes.
• Execute advanced data validation: verify code correctness against base tables and reconciled outputs.
• Write complex SQL and Python validation scripts to compare data warehouse sources against tabular cube outputs.
• Author DAX queries against tabular cubes for data extraction and validation.
• Lead testing for transformations and migrations across Snowflake and Databricks.
• Conduct root cause analysis on data quality incidents and document findings and remediation.
• Contribute to and extend automated test scripts and frameworks in Jira-driven workflows.
• Mentor QA Engineers on SQL, Python, validation techniques and test planning.

Skills

QA Testing

Data Warehouse Testing

ETL/ELT Validation

Python Scripting

SQL Proficiency

Root Cause Analysis

Jira Workflows

Mentoring

Tools

Snowflake

Databricks

DAX

SSAS Tabular

Job description

NTT DATA, Inc. in Atlanta, Georgia seeks a Senior QA Data Engineer to own the most complex test design and validation for data transformations and ingestion processes.

You will craft detailed test plans, execute data validation across base tables and tabular cubes, and drive root-cause analyses for high-impact data issues while contributing to Python/Databricks automation assets. You will write Python scripts and SQL for data comparisons, author DAX queries for cube validation, and mentor junior