Quality Assurance Analyst ETL Tester

Position Summary: The ETL Tester will be responsible for designing automating and executing test cases for Enterprise

Data Warehouse (EDW) ETL processes in a State Government Medicaid this role you will be responsible for ensuring the accuracy integrity and reliability of data as it moves through our ETL processes. You will leverage your expertise to design and execute test strategies that validate both functional and non-functional requirements of our data pipelines.

The tester will leverage ETL tools primarily Informatica PowerCenter for extraction transformation and loading and Teradata RDBMS for core data store validation within Azure DevOps and agile sprint cycles to ensure data quality identify defects and automate repeatable testing processes.

Requirement Analysis & Test Strategy

• Review change requests and participate in requirement analysis for EDW data pipelines and transformations
• Collaborate with data engineers analysts and business stakeholders to ensure test coverage aligns with business requirements
• Design comprehensive test strategies test plans and test cases for ETL workflows

ETL & Data Validation

• Perform end-to-end validation of data pipelines from source systems to EDW targets Validate source-to-target mappings transformation logic and business rules
• Execute data quality checks including row counts null validation duplicate detection and referential integrity SQL & Backend Testing
• Develop complex SQL queries (joins aggregations transformations) to validate ETL processes
• Perform backend and database testing across large datasets and multiple systems

Automation & Scripting

• Develop and maintain automated data validation frameworks using Python (Pandas SQLAlchemy)
• Build reusable scripts for regression testing reconciliation and data comparisons
• Integrate automated testing into Azure DevOps CI/CD pipelines

Cloud & Data Platform Testing

• Validate data pipelines and workflows within Azure Data Factory (ADF)
• Test integrations across Azure services including Azure Data Lake Azure SQL and related components
• Support validation of cloud-based data processing and orchestration workflows

Defect Management & Reporting

• Identify document and track defects using tools such as Azure DevOps JIRA or HP ALM
• Partner with development teams to troubleshoot issues and ensure resolution
• Provide clear audit-ready documentation of test results and findings

Required Qualifications:

• 5 years of experience in QA/testing with a focus on ETL EDW or backend data systems
• 5 years of hands-on Python experience for data validation automation and scripting
• 5 years of Azure experience including data platform and cloud-based testing
• 5 years of Azure Data Factory (ADF) experience including pipeline validation and orchestration testing
• 5 years of experience working in cloud environments preferably Azure
• Strong SQL expertise with hands-on experience in relational databases (Teradata SQL Server or equivalent)
• Experience testing complex data transformations data models (star/snowflake) and SCD (Type 1/Type 2)
• Experience with test management and defect tracking tools (Azure DevOps JIRA HP ALM)
• Strong analytical and troubleshooting skills with attention to detail
• Experience working in Agile/Scrum environments

Preferred Qualifications

• Healthcare or Medicaid domain experience (claims encounters eligibility provider data)
• Knowledge of HIPAA and healthcare data standards (837/835 ICD CPT HL7)
• Experience with Medicaid Enterprise Systems (MES) or State agencies (e.g. Illinois HFS)
• Experience with Informatica or legacy ETL tools (nice-to-have not required)
• Familiarity with GitHub or version control for automation