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ETL Testing

ETL Testing

Cognizant

4 - 12 years

0 Lacs

chennai tamil nadu india

Posted:1 day ago| Platform:

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Skills Required

etl testing drive design test data extraction reconciliation regression integration tracking jira integrity consistency sql automation reports metrics compliance governance security informatica talend joins database oracle server mysql postgresql hadoop spark hive communication documentation

Work Mode

On-site

Job Type

Full Time

Job Description

AIA - Weekend Drive 10 Jan 2026 - Face to Face Interview

Skill - ETL ValidationInterview Location: Chennai & CoimbatoreExperience Range - 4 to 12 YearsMode of Interview - Face to Face ( Mandate)Key Responsibilities

Design, develop, and execute ETL test cases to validate data extraction, transformation, and loading processes.
Perform data validation and reconciliation between source and target systems.
Conduct functional, regression, integration, and performance testing of ETL workflows.
Collaborate with data engineers, developers, and business analysts to understand requirements and ensure test coverage.
Identify, document, and track defects using issue-tracking tools (e.g., JIRA, Bugzilla).
Validate data quality, integrity, and consistency across multiple environments.
Develop and maintain SQL queries/scripts for test automation and validation.
Provide detailed test reports and metrics to stakeholders.
Ensure compliance with data governance and security standards.

Required Skills & Qualifications

Strong knowledge of ETL concepts and data warehousing.
Hands-on experience with ETL tools (e.g., Informatica, Talend, DataStage, SSIS).
Proficiency in SQL for complex queries, joins, and data validation.
Experience with database technologies (Oracle, SQL Server, MySQL, PostgreSQL, etc.).
Familiarity with big data platforms (Hadoop, Spark, Hive) is a plus.
Knowledge of testing methodologies (functional, regression, automation).
Strong analytical and problem-solving skills.
Excellent communication and documentation abilities.

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ETL Testing