This is professional and technical work in the installation and support of systems software operating on an IBM z/OS mainframe. Incumbent may be assigned a variety of software products to install and support. Plan, schedule, test, install and support computer operating system software and other assigned proprietary software products utilized at the Dept. of Financial Services’ Data Center (FSDC). Assist other systems software personnel, applications programmers and program product users as required. Work with other FSDC support staff to determine operating system software requirements. Assist with the design, implementation and operation of statewide online and batch applications processed at FSDC. Diagnose software problems and recommend or initiate corrective action. Monitor computer system performance and utilization. Modify and tune software to maintain optimum system performance. Maintain knowledge of current EDP Equipment, software and techniques by vendor self-study training.