Mainframe CICS System Administrator

CICS Administration & Maintenance:

• Install, upgrade, and maintain CICS Transaction Server (CICS TS) environments
• Apply patches (PTFs), manage version upgrades, and perform regression validation
• Configure and maintain CICS regions (production, test, DR)
• Maintain startup parameters and system initialization tables (DFHSIT)

Performance Monitoring & Tuning:

• Monitor transaction performance and system health using tools such as:
• OMEGAMON / MainView / TMON
• Analyze:
• Transaction response times
• CPU utilization
• Storage usage
• Perform tuning to eliminate bottlenecks