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z/OS Administrator

Location: Remote
Compensation: Salary
Reviewed: Wed, Oct 21, 2026
This job expires in: 26 days

Job Summary

Experienced z/OS Administrators will find a hybrid opportunity focused on managing IBM z/OS operating systems, performing upgrades, and maintaining system configurations while working in a collaborative environment.

Key responsibilities
  • Oversee installation and maintenance of z/OS, including version upgrades and ISV products
  • Manage incidents related to z/OS and perform system performance monitoring and reporting
  • Handle mainframe LPAR builds and maintain system parameters and parmlib configurations
Required qualifications
  • Extensive knowledge of IBM z/OS operating systems (up to z/OS 3.1 and above)
  • Experience with Parallel Sysplex concepts and mainframe LPAR builds
  • Strong technical skills in SMPE, RMF, SMF, WLM, and zOSMF
  • Proven ability to manage z/OS performance and incident resolution
  • Familiarity with system z architecture

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