**Introduction** The IBM Z Software Performance team is responsible for designing, executing, and analyzing stress workloads/benchmarks on the IBM Z and LinuxONE systems to ensure these systems meet customer expectations. As a IO Performance Analyst/Tester you will design and create benchmarks and stress workloads, execute performance measurements with those benchmarks and workloads, analyze the performance measurements, and guide Hardware, Operating System, and Software Development teams on performance improvements collaborating with a global IBM team. Execute I/O performance measurements for various I/O components (i.e., FICON, FCP, OSA, ROCE, Mojave, and other attached I/O adapters). Analyze the data for results and determine what improvements can be made. Work with development teams to provide performance improvements. **Your role and responsibilities** As a IO Performance measurement and Analyst * Perform workload runs on future IBM Z HW to profile the I/O performance * • Analyze the runs to develop a performance understanding of the new architecture * • Build new run procedures and automation for the benchmarks **Required technical and professional expertise** As an Individual Developer •5-8 years of experience as a Software Developer/Tester or Performance Analyst/Tester. . Bachelor’s degree in information technology, computer science, or computer engineering. . • C++, Python coding and shell scripting • Building of workloads using I/O tools • Execution of scripts to run workloads • Analyzing of data and planning of new runs • Communication skills and presentation skills •Basic experience with performance analysis of applications/systems and performance tools •Experience with the application of agile concepts •Good Communication and presentation skills **Preferred technical and professional experience** Master degree in information technology, computer science, computer engineering Knowledge of IBM Z HW and/or IO products is a plus. IO functional or performance testing knowledge Basic understanding of IO components IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.