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ETL Tester

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Realign

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Location:
United States , Milford

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Contract Type:
Not provided

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Salary:

50.00 USD / Hour

Job Description:

We are seeking an experienced ETL Tester to validate data extraction, transformation, and loading processes in a data warehouse or data lake environment. The ideal candidate will have strong knowledge of SQL, data analysis, and ETL tools to ensure data quality, consistency, and reliability.

Job Responsibility:

  • Understand and analyze ETL requirements, mappings, and data flows
  • Design, develop, and execute test cases for ETL processes and data validation
  • Perform data reconciliation between source and target systems
  • Use SQL extensively for data verification and issue diagnosis
  • Identify data anomalies and work with the development team to resolve defects
  • Document test results and contribute to QA reports

Requirements:

  • Strong SQL skills for data validation and querying
  • Hands-on experience with ETL tools like Informatica, Talend, DataStage, or SSIS
  • Good understanding of data warehousing concepts and data models
  • Strong analytical and communication skills

Nice to have:

Experience with BI/reporting tools

Additional Information:

Job Posted:
December 11, 2025

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