All Services Programming & Development Other - Technology Projects $5/hr · Starting at $25 z/OS specialist. Interested in short and ling term projects worldwide About $5/hr · Ongoing Download Resume z/OS specialist. Interested in short and ling term projects worldwide Skills & Expertise AssemblerCapacity PlanningLinuxMainframeManagementPerformance TuningProgramming 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Performance Tuning ServicesMainframe DevelopersManagement ExpertsCapacity PlannersComputer Programmers