Mainframe CICS System Administrator
*URGENT HIRING – Mainframe CICS System Administrator*
*Location:* Phoenix, AZ / Plano, TX / Charlotte, NC
*Work Model:* Hybrid – 3 Days/Week Onsite
*Experience:* 10+ Years
*Work Authorization:* Any Visa
Top Skills
* *CICS Transaction Server (CICS TS) Administration*
* *CICS Installation, Upgrades, PTFs & Region Management*
* *Mainframe Performance Monitoring & Tuning*
* OMEGAMON / MainView / TMON
* DFHSIT & CICS System Initialization
* Transaction Performance & System Health Monitoring
Responsibilities
* Install, upgrade, configure, and maintain *CICS Transaction Server (CICS TS)* environments.
* Apply PTFs, patches, and version upgrades and perform regression validation.
* Configure and maintain CICS regions across production, test, and disaster recovery environments.
* Maintain startup parameters and *DFHSIT* system initialization tables.
* Monitor CICS transaction performance and overall system health.
* Analyze transaction response times, CPU utilization, and storage usage to identify performance issues.
* Perform performance tuning and troubleshooting to eliminate system bottlenecks.
* Identify potential future platform and service issues and proactively recommend solutions.
* Support modernization initiatives and maintain reliable Mainframe transaction processing environments.
Preferred Experience
* OMEGAMON
* MainView
* TMON
* CICS performance analysis and tuning
* Disaster Recovery / High Availability environments
* Mainframe modernization initiatives
Pay: $45.00 - $48.00 per hour
Expected hours: 40.0 per week
Work Location: Hybrid remote in Phoenix, AZ 85003