Administrator, Systems Administrator, IT​/Tech

Location

Austin, TX or San Antonio, TX (Hybrid – 2 days onsite/week)

Long-term Contract / Full-time

100% Mainframe Administration (No development work)

We are seeking an experienced Mainframe Administrator to support, maintain, and optimize enterprise-level mainframe systems for client. This role focuses on ensuring system reliability, performance tuning, and issue resolution across production and non-production environments. Candidates must be local or willing to commute onsite twice per week.

• Manage, configure, and maintain mainframe infrastructure and system software.
• Perform system upgrades, patching activities, backups, and performance optimization.
• Monitor, diagnose, and troubleshoot mainframe system issues to ensure stability and uptime.
• Collaborate with internal IT, infrastructure, and support teams to facilitate smooth operations.
• Ensure adherence to security, audit, and compliance requirements.

• 5+ years of hands-on experience as a Mainframe Administrator.
• Strong expertise with z/OS, JCL, RACF, DB2
  , and mainframe operational tools.
• Ability to perform system tuning, troubleshooting, and root‑cause analysis.
• Strong communication, analytical, and problem‑solving skills.
• Must be able to work onsite 2 days/week in Austin or San Antonio, TX.
• Texas‑based candidates are highly preferred.
• No development work—this is strictly a Mainframe Administration role.

Mid‑Senior level

Contract

Information Technology

Information Services and Technology, Information and Media

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