Mainframe System Programmer

Golden TechnologyOrlando, FL, United States

3 days ago

Job type

Full-time

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

Mid-Senior level

Employment type

Contract

Job function

Information Technology

Industries

IT Services and IT Consulting

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Mainframe Programmer • Orlando, FL, United States

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