ETL Tester jobs in United States
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Tata Consultancy Services · 14 hours ago

ETL Tester

Tata Consultancy Services is looking for an ETL Tester with extensive experience in ETL testing. The role involves analyzing data mapping documents, designing test plans, performing data reconciliation, and automating test scripts to ensure data quality and integrity.

Business Information SystemsConsultingInformation TechnologyIT Management
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H1B Sponsor Likelynote

Responsibilities

Analyze data mapping documents and business requirements to design comprehensive test plans and cases
Perform source-to-target data reconciliation, check data loading, and ensure transformation rules are applied correctly
Write complex SQL scripts for validation (count, data completeness, data consistency, data truncation)
Identify, log, and track data defects using tools like JIRA or HP ALM or Octane
Automate test scripts and validate data volume, performance, and scalability
Expert-level knowledge of SQL for data analysis
Experience with tools such as Informatica and IDMC
Understanding of data warehouse concepts and architectures (e.g., star/snowflake schema)
Familiarity with Hadoop or Spark is often preferred
Validate HiveQL, HDFS file structures, and data processing within the Hadoop cluster
Strong analytical and troubleshooting skills
Excellent communication for collaborating with developers and stakeholders
Knowledge in Metadata dependent ETL process and batch/job framework

Qualification

ETL testingSQLInformaticaShell ScriptingData WarehousingAnalytical skillsTroubleshooting skillsCommunication skills

Required

Minimum 10 years of experience
Primary Skill: ETL testing
Secondary Skills: ETL Testing, Autosys, SQL, Shell Scripting, Exposure to IDMC/Informatica
Analyze data mapping documents and business requirements to design comprehensive test plans and cases
Perform source-to-target data reconciliation, check data loading, and ensure transformation rules are applied correctly
Write complex SQL scripts for validation (count, data completeness, data consistency, data truncation)
Identify, log, and track data defects using tools like JIRA or HP ALM or Octane
Automate test scripts and validate data volume, performance, and scalability
Expert-level knowledge of SQL for data analysis
Experience with tools such as Informatica and IDMC
Understanding of data warehouse concepts and architectures (e.g., star/snowflake schema)
Validate HiveQL, HDFS file structures, and data processing within the Hadoop cluster
Strong analytical and troubleshooting skills
Excellent communication for collaborating with developers and stakeholders
Knowledge in Metadata dependent ETL process and batch/job framework
Tools & Skills: IDMC, Informatica Power center, Hive, Kafka Knowledge
SQL, Oracle, PL/SQL
Concept: Data Warehousing, Data Transformation, ETL/ELT, Data Quality

Preferred

Familiarity with Hadoop or Spark
Domain: Banking knowledge, Payments knowledge preferred

Company

Tata Consultancy Services

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Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting.

H1B Sponsorship

Tata Consultancy Services has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (7880)
2024 (9690)
2023 (8537)
2022 (11159)
2021 (9813)
2020 (11984)

Funding

Current Stage
Public Company
Total Funding
unknown
2004-08-25IPO

Leadership Team

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K. Krithivasan
Chief Executive Officer & Managing Director
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Aarthi Subramanian
President and Chief Operating Officer
Company data provided by crunchbase