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IBM z/OS Systems Programmer (Remote - US) at Jobgether. This position is posted by Jobgether on behalf of NOVA-Diné. We are currently looking for a IBM z/OS Systems Programmer in United States.. As an IBM z/OS Systems Programmer, you'll take on a high-impact technical role focused on maintaining, upgrading, and optimizing complex mainframe systems. You will be instrumental in planning and executing installations, diagnosing system issues, and supporting enterprise-level software and hardware across mission-critical environments. This role demands deep expertise with IBM tools and protocols and offers the opportunity to directly influence operational efficiency and system performance within a secure federal context.. Accountabilities:. . Plan, develop, and execute detailed implementation and installation strategies for IBM mainframe projects, including OS, hardware, and software upgrades.. . Use IBM tools such as SMP/e, IEBGENER, IEBCOPY, and IDCAMS to configure datasets and system parameters.. . Create comprehensive documentation for all installations and upgrades, including configuration details and step-by-step procedures.. . Manage SMP/e installations, resolve issues through message interpretation, and define required parameters for system maintenance.. . Maintain and troubleshoot system and user catalogs, USS file systems, mount points, and JES2 configurations.. . Diagnose and resolve system abends and performance anomalies using system logs, traces, and job output analysis.. . Administer mainframe communication tools (VTAM, TCP/IP, FTP) and storage management utilities (DFHSM, ADRDSSU, SMS).. . Update and manage system parameters (PARMLIB) following internal standards.. . Support batch processing workflows and ensure security and integration across standard IBM mainframe products.. . Perform additional technical duties as assigned.. . . Must possess one of the following IAT Level 1 certifications: A+ CE, CCNA Security, Network+ CE, or SSCP.. . Active Secret security clearance is required.. . 5+ years of hands-on experience with IBM z/OS mainframe systems.. . Strong working knowledge of IBM mainframe utilities, SMP/e processes, catalog management, and UNIX System Services on z/OS.. . Proficiency in troubleshooting system and batch job issues using IBM diagnostic tools.. . Ability to create structured technical documentation and follow government-mandated formats.. . Skilled in storage management, JES2 configuration, and system communication protocols.. . Detail-oriented, analytical, and capable of handling complex technical environments with minimal supervision.. . Company Location: United States.