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# Systems Administrator III z/OS

- **Company:** Army & Air Force Exchange Service
- **Location:** Dallas, TX, United States
- **Contract:** Permanent contract
- **Skills:** Computing Platforms, Data Integrity, Disaster Recovery, System Software, Z/OS
- **Published:** June 17, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=aa22b622d0a4d06d

## About the Role

Do you have experience in Technical support via email?

## Description

Applies expert knowledge of the Exchange IBM z/OS (mainframe) computing platform management process to support the operating system software, hardware and system support software for the z/OS portfolio. The tasks associated with this support may include, but are not limited to, installing, upgrading, configuring, monitoring, tuning and maintaining z/OS operating systems. Schedules new installs and upgrades to provide the best support for the z/OS community. Ensures internal controls are adhered to in relation to compliance requirements, audit procedures, and security and by following industry best practices and Exchange policies.

Monitors and tunes the operating software, supporting software and hardware to achieve optimum performance. Develops and maintains standard operating procedures and documentation, provides project leadership for the planning and execution of major z/OS projects, and provides guidance and advice to developers and users concerning the z/OS platform capabilities, software, hardware, and procedures. Ensures data integrity by evaluating, implementing, and managing appropriate software and hardware solutions. Defines disaster recovery requirements and plans and delivers a disaster recovery solution for the z/OS platform.

Coordinates with business units, the project management office (PMO), outside entities and IT staff to confirm compliance and risk mitigation has been met. Serves as third level support by identifying, evaluating, and troubleshooting non-routine events and incidents with z/OS computing platform. Responds to telephone calls and email requests for z/OS management processes. Safeguards physical access to Exchange restricted data, processes and services.


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