A Katalon Studio job involves using Katalon Studio, a test automation tool, to design, implement, and execute automated tests for web, API, mobile, and desktop applications. Professionals in this role create test scripts, manage test execution, analyze results, and report defects to ensure software quality. They often work as automation testers, QA engineers, or software testers in Agile or DevOps teams. Strong knowledge of scripting languages like Groovy, Java, or JavaScript and familiarity with test frameworks and CI/CD pipelines are usually required.