The z/OS Customer Test group is seeking an experienced QA tester to join the team. We are responsible for the final verification of a z/OS release and System z hardware and System Storage before they become generally available to clients, including final testing of all z/OS fixes delivered as preventative service to z/OS clients. We manage a fully configured z/OS Parallel Sysplex environment for comprehensive customer-like testing and assist z/OS developers in gaining confidence in their code by supporting them to execute special tests, recreates and early testing of features, solutions, and fixes. We are a critical contributor to the reduction of PTFs in Error (PE) for z/OS service."As a Solution Tester, you will be responsible for: Designing and automating test suites to ensure reliability of the systemZ and z/OS platform technologyHaving a client-first mindset to test at scale and imitate customer-like environmentsCreating strategies and scripts to test new features and functionalities Contributing and reviewing code for internal and external repositories Documenting processes (Test plans) and procedures for clarity and reproducibilityInteracting with counterparts in z/OS development teams worldwide.