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
Contract work, Remote work,