Senior ETL Tester

OverviewThe Senior ETLTester plays a crucial role in ensuring the quality and accuracy ofdata extracted transformed and loaded within the organizations datawarehouse and systems. This position is essential for maintainingthe integrity of data and enabling informed decisionmakingprocesses within the company. The Senior ETL Tester will workclosely with the development and business intelligence teams tocreate and execute test cases identify data quality issues andvalidate ETL processes to meet business requirements and industrystandards.Keyresponsibilities

• Design and executeETL test strategies and test plans to ensure data completenessaccuracy and integrity.
• Participate inrequirements analysis and collaborate with development teams todesign develop and implement effective ETL testingsolutions.
• Perform data validation andreconciliation to ensure consistency reliability and compliancewith business requirements.
• Identify analyzeand document data anomalies errors and issues in ETL processes andprovide recommendations for resolution.
• Conductroot cause analysis of ETL defects and work with crossfunctionalteams to implement corrective actions.
• Developand execute automated ETL test scripts in alignment with testingbest practices and industrystandards.
• Collaborate with businessintelligence teams to understand data models and provide expertiseon testing methodologies for complex datatransformations.
• Contribute to the continuousimprovement of ETL testing processes tools and techniques toenhance efficiency and effectiveness.
• Createand maintain comprehensive ETL test documentation such as testcases test plans and test summaryreports.
• Participate in ETL performance tuninginitiatives by analyzing and optimizing data transformation andloading processes.
• Provide mentorship andguidance to junior ETL testers and actively participate inknowledge sharing within the testingcommunity.
• Collaborate with stakeholders tounderstand business requirements and translate them into efficientand effective ETL test scenarios.
• Stay updatedon industry trends best practices and emerging technologies relatedto ETL testing and data qualityassurance.
• Conduct adhoc data analysis andinvestigations to support data quality initiatives and root causeidentification.
• Participate in ETL releasemanagement activities including deployment verification andvalidation.

Requiredqualifications

• Bachelors degree inComputer Science Information Technology or a related field; Masters degree is a plus.
• Proven experience in ETLtesting data warehousing and data integration processes within alargescale enterprise environment.
• Indepthknowledge of SQL and experience in writing complex queries for datavalidation and verification.
• Handson experiencewith ETL tools such as Informatica Talend or IBMDataStage.
• Proficiency in test automationframeworks and tools for ETL testing such as Selenium UFT orsimilar.
• Strong understanding of data qualityconcepts data profiling and data cleansingtechniques.
• Experience in performance tuningand optimization of ETL processes and databasequeries.
• Ability to interpret data modelsschemas and data mapping documents for ETL testingpurposes.
• Excellent analytical skills andattention to detail to identify data anomalies anddiscrepancies.
• Good understanding of softwaredevelopment life cycle (SDLC) and agilemethodologies.
• Solid communication andinterpersonal skills to collaborate effectively withcrossfunctional teams andstakeholders.
• Certifications in ETL testingdata quality or related areas are a definiteplus.
• Proven ability to work in a fastpaceddynamic environment and manage multiple prioritieseffectively.
• Strong problemsolving skills andthe ability to proactively address potential ETL testingchallenges.
• Experience in healthcare finance orother regulated industries is anadvantage.

etl testing,sql,datawarehousing,test automation,data analysis

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