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

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