✦ Luna Orbit — System Administration

Technical IBM Mainframe Applications/Systems Analyst

at rockITdata

📍 Remote, US Remote Posted April 15, 2026
Type Full-Time
Experience mid
Exp. Years 5+ years of experience in IBM mainframe system programming
Education Bachelor's Degree in Computer Science, Electronics Engineering, or equivalent PLUS 5 Years of experience. Eight (8) years of additional relevant experience may be substituted for education.
Category System Administration

This role installs, configures, customizes, and maintains IBM mainframe system and ISV software products in support of business-critical applications on IBM z/OS. The analyst ensures system stability, performance, and security by applying maintenance, executing IPLs, analyzing dumps, and supporting after-hours maintenance and on-call rotation.

  • Install, configure, and maintain IBM z/OS and ISV software products
  • Perform SMP/E installation, upgrades, and maintenance using PTFs and APARs
  • Customize system parameters, libraries, and subsystems
  • Apply maintenance and execute system IPL planning and execution
  • Troubleshoot system issues, analyze dumps, and resolve software-related problems

You will manage IBM z/OS systems including SMP/E-based ISV installs/upgrades, apply PTFs and APARs, and plan/execute system IPLs. Work includes JCL and TSO/ISPF support, troubleshooting via dump analysis and problem determination, and storage management using DASD, SMS, and DFSMS.

The ideal candidate is a mainframe systems analyst with 5+ years of IBM mainframe system programming experience and strong IBM z/OS internals knowledge. They are proficient with SMP/E software installation and maintenance, JCL, and TSO/ISPF, and they can perform system IPL planning/execution and dump analysis while maintaining stable, secure mainframe environments.

5+ years of experience in IBM mainframe system programminginstallationconfigurationcustomizationand ongoing maintenance of mainframe system and ISV software productsStrong experience with IBM z/OS internals and system componentsSMP/E for software installation and maintenanceJCLTSO/ISPFKnowledge of system utilities such as IEBCOPYIDCAMSIEBGENERExperience with system IPLsdump analysisand problem determinationstorage management processes including DASDSMSand DFSMSability to pass a Tier 4/HIGH Background Investigation
Experience with additional IBM subsystems such as: CICSFamiliarity with automation and scheduling toolsKnowledge of disaster recovery and high availability configurationsExperience with mainframe performance tuning and capacity planning
IBM z/OSSMP/EJCLTSO/ISPFIEBCOPYIDCAMSIEBGENERDASDSMSDFSMSCICS
IBM z/OSIBM mainframeSMP/EJCLTSO/ISPFIEBCOPYIDCAMSIEBGENERsystem IPLdump analysisproblem determinationstorage managementDASDSMSDFSMSPTFsAPARsISV softwareon-call rotationCICScapacity planning
IBM z/OSIBM mainframe operating systemsISV (Independent Software Vendor) productsSMP/Esystem programmingmainframe system componentsJCLTSO/ISPFsystem utilitiesIEBCOPYIDCAMSIEBGENERsystem parameterslibrariessubsystemsmaintenance (PTFsAPARs)PTFsAPARssystem IPL planning and executiondump analysisproblem determinationstorage management processesDASDSMSDFSMSdocumentation for system configurationssystem configuration procedures and changeson-call rotationafter-hours maintenance windowsmainframe performance tuningcapacity planningCICS
collaborate with application teamsoperationsand vendors for problem resolution and enhancementswork independently and in a team environmentexcellent documentation and communication skillsattention to detail and strong organizational skillsparticipate in on-call rotation
Industry Government/Public Sector
Job Function Operate and maintain IBM z/OS mainframe systems and ISV software to ensure stable, secure application execution.
Role Subtype Systems Administrator
Tech Domains Linux, Windows Server
Technical IBM Mainframe Applications/Systems AnalystIBM mainframeIBM z/OSmainframe system programmingSMP/EJCLTSO/ISPFIEBCOPYIDCAMSIEBGENERsystem IPLdump analysisproblem determinationstorage managementDASDSMSDFSMSISV softwarePTFsAPARsIndependent Software Vendoron-call rotationTier 4/HIGH Background InvestigationCICS

Must have 5+ years of experience in IBM mainframe system programming, Must have strong SMP/E experience, Must have strong IBM z/OS internals experience, Must have experience with JCL and TSO/ISPF, Must be able to pass a Tier 4/HIGH Background Investigation

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