Job Description

This is a remote position.

Job Summary:

We are seeking a seasoned  Mainframe Systems Programmer to support and optimize our IBM z/OS infrastructure, with a strong focus on  post-migration support for z/OS 3.1and  z/OSMF version 15 . The ideal candidate will have recent experience upgrading and stabilizing environments following a major system version change. You will play a critical role in maintaining system health, resolving compatibility issues, and leveraging z/OSMF for automation and system management.

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.
  

Requirements

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.
  

Job Tags

Similar Jobs