Satish N
Senior Data Quality Engineer / ETL QA Specialist
About
Senior Data Quality Engineer with 10+ years of experience in ETL testing, data validation, and data quality assurance across enterprise data platforms. Skilled in SQL, Informatica, Azure Databricks, AWS, and Python automation. Extensive experience working on Pyspark and Python. Proven expertise in data reconciliation, defect management, and ensuring end‑to‑end data integrity across complex pipelines.
Skills & Expertise (18)
Work Experience
Data Quality Analyst
ACL Digital
Oct 2024 - Oct 2025
Led ETL testing and validation across enterprise data pipelines. Designed SQL queries for source‑to‑target reconciliation. Automated validation processes using Python. Collaborated with AWS & Azure teams for cloud workflows. Managed defects using Jira and HP ALM.
ETL QA Engineer
Sigma Soft IT Solutions (SSIT)
Mar 2023 - Jul 2023
Executed ETL testing and validated data transformations. Developed automation scripts for regression testing. Performed data profiling using SQL & Databricks. Ensured data integrity across System, Integration, and UAT phases.
Data Quality Analyst
Cognizant Technology Services
May 2015 - Apr 2022
Developed complex SQL queries for validation and reconciliation. Executed end‑to‑end testing for data warehouse systems. Supported production issues and ensured data integrity. Created test cases and validation datasets.
Data Engineer – ETL QA
Wipro Technologies
Sep 2008 - May 2015
Developed SQL scripts for data validation. Performed system integration testing and defect tracking. Supported data migration and data cleansing activities.
Education
Bachelor of Engineering - VTU Belgaum
- · Afghanistan
Diploma in Computer Science - Board of Technological Education
- · Afghanistan
Certifications
No certifications added yet
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Skills (18)
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