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Mainframe System Programmer
Mainframe System ProgrammerGolden Technology • Orlando, FL, United States
Mainframe System Programmer

Mainframe System Programmer

Golden Technology • Orlando, FL, United States
[job_card.variable_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
[job_card.job_description]

We are hiring a Mainframe Systems Programmer!

Key Responsibilities :

  • Provide technical support and maintenance for IBM z / OS (v3.1) and related mainframe subsystems.
  • Configure, manage, and troubleshoot z / OSMF v15 , including workflows, software management, cloud provisioning, and REST API integrations.
  • Ensure full operational stability and compatibility following the migration from z / OS 2.1 to 3.1.
  • Work with cross-functional teams to resolve post-upgrade issues (e.g., IPL errors, software compatibility, certificate updates).
  • Maintain SMP / E environments and perform ongoing RSU maintenance, patching, and software installs.
  • Implement and support z / OS 3.1 features such as zCX, AI Framework, enhanced System Recovery Boost, and encryption enhancements.
  • Maintain system security with a focus on RACF enhancements and multi-factor authentication support .
  • Contribute to disaster recovery planning and testing; maintain documentation and system procedures.
  • Monitor system performance, capacity planning, and apply tuning as needed.

Required Skills and Experience :

  • 7+ years as a Mainframe Systems Programmer, with strong expertise in IBM z / OS.
  • Direct experience with z / OS 3.1 , including support for post-migration environments.
  • Proven ability to configure and troubleshoot z / OSMF v15 , including workflow setup and REST APIs.
  • Deep understanding of SMP / E, JCL, REXX, ISPF, TSO, and IBM utilities.
  • Familiarity with mainframe security tools such as RACF , and understanding of MFA configurations.
  • Experience with system monitoring and diagnostic tools (e.g., RMF, SMF, OMEGAMON).
  • Familiarity with subsystems like CICS, DB2, or IMS is preferred.
  • Experience with or exposure to container technology on z / OS (e.g., zCX ) is a plus.

    • Preferred Qualifications :

  • Bachelor's degree in Computer Science or related field.
  • IBM certifications (e.g., IBM Certified System Programmer - z / OS).
  • Exposure to automation frameworks (e.g., Ansible, Python scripting on z / OS) is a bonus.

    • Additional Notes :

  • On-call support may be required.
  • Some after-hours work may be needed during IPLs or critical maintenance windows.
  • Must be able to document system configurations and standard operating procedures clearly.
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