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Plano, United States CData Software Full timeMainframe z/OS System Programmer // z/OS System Administrato Plano, TX Responsible for Incident and service request on Mainframe technologies like zOS and upgrade projects and also good knowledge on tool migration etc. Knowledge and experience in support for a complex Mainframe Environment 2. Knowledge and experience in support for Mainframe migrations and...
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Mainframe zOS System Programmer
5 hours ago
Position Summary: Mainframe zOS System ProgrammerJob Description:We are seeking an experienced z/OS System Programmer to join our mainframe team. The ideal candidate will have strong expertise in managing, maintaining, and upgrading IBM z/OS environments, with proven experience in performing z/OS product upgrades and related system enhancements.Key Responsibilities:Install, configure, and maintain IBM z/OS operating systems and related subsystems.Plan, coordinate, and execute z/OS product upgrades, including PTF (Program Temporary Fix) application and migration activities.Analyze system performance and troubleshoot issues related to z/OS and its components.Manage system parameters, configuration files, and system initialization procedures.Collaborate with application teams, network teams, and storage administrators to ensure smooth system operations.Develop and maintain system automation scripts and tools to improve operational efficiency.Monitor system logs and alerts, perform root cause analysis, and implement corrective actions.Maintain documentation related to system configurations, upgrade procedures, and operational guidelines.Ensure compliance with security policies and standards on the mainframe environment.Provide technical support and training to junior system programmers and other IT staff.Participate in disaster recovery planning and testing. Required Skills and Experience:Extensive experience with IBM z/OS operating system administration and system programming.Hands-on experience with z/OS product upgrades, including:Planning and scheduling upgrade activities.Applying PTFs and managing SMP/E (System Modification Program/Extended).Testing and validating system functionality post-upgrade.Coordinating with IBM support and vendors during upgrade cycles.Strong knowledge of z/OS components such as JES2/JES3, RACF, VTAM, TCP/IP, DFSMS, and JES.Experience with SMP/E for software maintenance and installation.Familiarity with mainframe hardware (IBM Z series) and related firmware upgrades.Proficient in JCL, REXX, CLIST, and other scripting languages used in mainframe environments.Good understanding of system security, backup, and recovery procedures.Excellent problem-solving skills and ability to work under pressure.Strong communication and teamwork skills. Preferred Qualifications:IBM z/OS System Programming certification.Experience with automation tools like Ansible or IBM Z Automation.Knowledge of z/OSMF (z/OS Management Facility).Experience with performance tuning and capacity planning.
