Job Description

We are seeking an experienced Mainframe z/OS Systems Programmer to provide senior-level systems administration and technical leadership for enterprise mainframe environments. This role involves supporting legacy systems, contributing to modernization initiatives, and ensuring reliable day-to-day operations across critical mainframe platforms and related infrastructure.

• 5+ years z/OS systems programming experience
• 5+ years with JES2, OMVS, and Storage Management Subsystem (SMS)
• 3+ years with TSS (Top Secret Security)
• 3+ years performance monitoring and analysis
• 2+ years REXX scripting experience
• Some experience with Informatica Power Exchange Administration

Working knowledge of:

• z/OS operations and networking (VTAM, TCP/IP)
• Automated job scheduling (JOBTRAC), terminal emulation (BlueZone), VTAM/SWITCH
• SMP/E, RMF, SMF, WLM, JCL
• GRS, VSAM, TSO
• TLS/SSL certificate configuration (RSA Keys, SFTP, FTPS)
• SCLM or similar configuration management tools
• CPM for JOBTRAC

• Provide expert-level administration and support for z/OS operating systems, system components, and related software.
• Perform system configuration, break/fix troubleshooting, performance monitoring, security monitoring, and routine maintenance.
• Manage and support CICS, IMS™, JES2, SMS, OMVS, and related z/OS subsystems.
• Support mainframe operations within an enterprise data center environment and collaborate with networking, application, and support teams.
• Provide administration and end-user support for ISV tools such as BlueZone and SCLM.
• Assist with capacity planning, system tuning, and systems library and parameter management.
• Diagnose and resolve platform and software issues, including thorough root-cause analysis.
• Support integration testing of new products and mainframe job scheduling/production control activities.
• Contribute technical expertise to modernization and transformation initiatives.
• Optional plus: experience with Informatica Power Exchange for Change Data Capture (CDC) with IMS and VSAM sources/targets.

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