Senior Mainframe CICS Support, Systems Administration

Overview

Senior Mainframe CICS Support System Administrator responsible for the availability, stability, performance and resiliency of mission-critical transaction processing systems in a 24x7 mainframe environment.

What you'll do

• Install, configure, upgrade and manage IBM CICS software, startup procedures and resource definitions on z/OS.
• Continuously monitor CICS regions, tune performance and balance workloads to ensure high availability.
• Resolve incidents and service outages using CICS dumps, traces, logs and root cause analysis (RCA).
• Assist application teams with CICS deployments and collaborate with z/OS, DB2, MQ, Storage, Network and Security teams.
• Manage change controls, documentation, disaster recovery testing, audit compliance, on-call rotations and task automation.

What you'll need

• 5+ years of hands-on experience supporting IBM CICS Transaction Server environments.
• Strong foundation in z/OS operating systems.
• In-depth knowledge of CICS architecture, region management, RDO, SIT parameters and system initialization processes.
• Strong problem-resolution skills with hands-on experience analyzing CICS dumps, traces, logs and performance metrics in high-volume production environments.
• Practical experience with change, incident and problem management frameworks in high-availability systems.

Nice to have

• Bachelor's degree in computer science or a related field.
• Experience with CICS Transaction Server version upgrades, migrations, CICSplex SM, CPSM and dynamic workload routing.
• Expertise in monitoring, tuning and troubleshooting CICS performance using tools like IBM OMEGAMON, CICS PA, MainView or Sysview.
• Working knowledge of related middleware technologies (DB2, MQ, IMS) and mainframe security administration using RACF.
• Hands-on experience with disaster recovery execution, automated scripting, ITIL processes and supporting 24x7 globally distributed production environments.

Details

• Location: Bangalore, Karnataka, India.
• Hybrid-friendly work arrangement.
• 24x7 production environment with on-call rotations.