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ETL Tester
Job in
Irvine, Orange County, California, 92713, USA
Listed on 2026-10-16
Listing for:
APPTAD, Inc.
Full Time
position Listed on 2026-10-16
Job specializations:
-
IT/Tech
Data Engineering, Data Warehousing, Data Analyst
Job Description & How to Apply Below
- Analyze business requirements, ETL specifications, source-to-target mappings, and data models.
- Design and execute test cases for ETL and Data Warehouse projects.
- Validate data extraction, transformation, and loading using Informatica Power Center.
- Perform source-to-target data validation, data reconciliation, and data quality testing.
- Execute functional, integration, regression, system, and UAT testing.
- Write complex SQL queries to validate backend data.
- Identify, track, and report defects using JIRA, HP ALM, or Azure Dev Ops.
- Validate data integrity, business rules, and large-volume data migrations.
- Collaborate with ETL developers, business analysts, data architects, and business stakeholders.
- Support production releases, post-deployment validation, test planning, and status reporting.
Required Skills:
- Strong experience in ETL Testing and Data Warehouse Testing.
- Hands-on experience with Informatica Power Center and its associated tools.
- Strong SQL skills and experience with Oracle, SQL Server, Teradata, PostgreSQL, or Snowflake.
- Knowledge of Data Warehousing concepts, fact and dimension tables, Star and Snowflake schemas.
- Experience with data quality, reconciliation, and large-volume data validation.
- Familiarity with AWS, Azure, or GCP cloud platforms.
- Exposure to Databricks, Hadoop, Spark, Python, or Selenium is a plus.
- Knowledge of Agile/Scrum, CI/CD, and Dev Ops practices.
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