Job Description

ETL QA Test Engineer | Contract | Hybrid, Rosemont, IL

We are looking for a seasoned ETL Quality Assurance Test Engineer to join a high-impact data team on a contract basis out of Rosemont, IL. This is a hybrid role a mix of on-site and remote working and is open to local Chicago-area candidates only.

The Opportunity

You'll play a critical role in ensuring data integrity across a complex ecosystem that includes Master Data Management (MDM), Data Warehouse environments, legacy platforms, and online database systems. This is a hands-on position for someone who takes ownership of quality from strategy through execution.

What You'll Be Doing

• Leading ETL process and data testing across MDM, Data Warehouse, and legacy platforms
• Writing and executing complex SQL queries for results validation, data mining, and foreign key dependency analysis
• Developing and executing Test Strategy, Test Design, and Test Execution plans
• Performing Root Cause Analysis (RCA) and producing heatmaps and reporting
• Collaborating cross-functionally with development and business teams to identify and resolve issues
• Working within both Agile and Waterfall methodologies

What You Bring

• 10+ years of hands-on ETL testing experience- this is non-negotiable
• 10+ years of Quality Assurance experience in enterprise environments
• 5+ years of Data Warehousing experience, including dimensional databases
• Intermediate to advanced SQL skills with a strong focus on complex queries
• Proven experience with RCA, test lifecycle management, and QA best practices
• Strong analytical skills with exceptional attention to detail
• Excellent communication and client-facing interpersonal skills

Nice to Have

• Scripting experience in Python, C#, JavaScript, or PowerShell
• Hands-on experience with Kodda or SSIS packages

Requirements

• Must be local to the Chicago area
• Must be authorized to work in the US; USC, Green Card, or EAD only
• 1099 or Corp-to-Corp engagement

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