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# Linux/AIX Systems Administrator

- **Company:** AZPEN, LLC
- **Location:** Oklahoma City, OK, United States
- **Salary:** $100,000.0
- **Contract:** Permanent contract
- **Skills:** IBM AIX, Bash Shell, Big Data, Linux, File Systems, Apache Hadoop, Python (Programming Language), Logical Volume Manager, Red Hat Enterprise Linux, Scripting, Data Storage Management, Infrastructure Automation Frameworks, Hardware Infrastructure
- **Published:** June 30, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=fb918b95563185b1

## About the Role

Do you have experience in Storage management (system administration)?, * Proven experience administering Red Hat Enterprise Linux 7.x (7.3-7.9)

 * Hands-on experience with IBM AIX administration
 * Experience supporting server hardware from Lenovo and HPE
 * Strong skills in Linux storage and filesystem/space management (LVM, partitioning, capacity planning)
 * Experience with OS patching, updates, and maintenance window execution
 * Solid troubleshooting skills across OS, hardware, and performance issues
 * Ability to work on-site in Oklahoma City Monday-Thursday, with flexibility for patching schedules and on-call coverage

Preferred Qualifications

 * Experience supporting Hadoop or other big data platforms in production
 * Scripting ability (Bash, Python) for automation
 * Red Hat certification (RHCSA/RHCE)
 * Experience with monitoring and configuration management tools, * Proven experience administering Red Hat Enterprise Linux 7.x (7.3-7.9)
 * Hands-on experience with IBM AIX administration
 * Support and maintain Hadoop clusters running on the Red Hat environment

## Description

We are seeking a skilled Systems Administrator to provide day-to-day support for a mixed Red Hat Enterprise Linux and IBM AIX server environment. The ideal candidate has hands-on experience administering RHEL 7.3-7.9 on Lenovo and HPE hardware, supporting Hadoop workloads, and managing AIX systems. This role requires a flexible schedule to accommodate patching windows and on-call availability for critical issues., * Provide day-to-day administration and support for Red Hat Enterprise Linux servers (versions 7.3 through 7.9) running on Lenovo and HPE hardware

 * Administer and support IBM AIX systems
 * Support and maintain Hadoop clusters running on the Red Hat environment
 * Perform filesystem and storage space management, including monitoring utilization, expanding volumes, and resolving capacity issues
 * Troubleshoot system, performance, network, and application issues across Linux and AIX platforms
 * Plan and execute OS patching and updates, including coordinating and working flexible hours for maintenance windows
 * Participate in an on-call rotation to respond to critical/after-hours incidents
 * Document configurations, procedures, and resolutions


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