💼 Full-Time Position

Senior Unix/Linux Systems Administrator (Senior Systems Administrator - Temporary)

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SchoolsFirst Federal Credit Union
📍 Tustin, California, United States
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Location
Tustin, United States
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Posted
June 10, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

What You’ll Be Doing

Responsible for effective administration, configuration, installation, provisioning, monitoring and troubleshooting to ensure availability, capacity and performance of infrastructure systems is achieved. Perform assigned duties as listed in RACI model(s) under general supervision from manager. Collaborate with peers and manager on operational tasks, system enhancements and project activities.

  • Support SchoolsFirst FCU’s complex Compute and Storage infrastructure with a focus on IBM AIX, OpenShift Containers, Linux and Storage

  • Design, install, and configure systems to support infrastructure and applications.

  • Develop and maintain configuration standards and operating procedures.

  • Coordinate with vendors for technical support and upgrades.

  • Troubleshoot issues or problems, including escalation to 3rd party vendors, as part of root cause analysis and investigation

  • Fore...