Mainframe System Programmer Job at Golden Technology, Orlando, FL

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  • Golden Technology
  • Orlando, FL

Job Description

2 days ago Be among the first 25 applicants

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

  • Bachelors 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.
Seniority level
  • Seniority level
    Mid-Senior level
Employment type
  • Employment type
    Contract
Job function
  • Job function
    Information Technology
  • Industries
    IT Services and IT Consulting

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Job Tags

Contract work,

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