Posted Oct 12, 2026

Mainframe CICS System Administrator

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Title: Mainframe CICS System Administrator Location: Chandler, AZ; Plano, TX; Charlotte, NC; and Jersey City, NJ from Day 1 (Client prefer local folks) Hybrid Schedule: 3 Onsite Days (Tue, Wed, Thur) & 2 Remote Days (Mon, Fri) Duration: 6+ months, extendable Mode of Interview: 2 Rounds – F2F/In-person   Job Description: Responsible for administering, maintaining, upgrading, and tuning CICS Transaction Server environments across production, test, and disaster-recovery regions. Mandatory requirements include: Hands-on CICS Transaction Server administration on IBM z/OS CICS installation, upgrades, PTF application, and maintenance Configuration and support of CICS regions Knowledge of DFHSIT and CICS system initialization parameters Performance monitoring and troubleshooting Ability to analyze transaction response time, CPU utilization, and storage usage Willingness to work onsite three days per week Preferred experience: Experience supporting production, test, and DR CICS environments Experience with OMEGAMON, MainView, or TMON CICS performance tuning and bottleneck elimination