This job posting is for a QA Test Analyst position in the IT Services Department of the Toronto Transit Commission. The analyst will be responsible for conducting tests on requests for changes to the Commission's IT infrastructure, ensuring validation of Microsoft patches and security vulnerabilities, and testing newly built server and desktop images. The position requires knowledge of testing methodologies, tracking defects, and writing documentation, as well as experience testing applications developed for various platforms and databases. Skills in automation and performance testing are considered assets.