Mainframe CICS Systems Administrator

Overview

Install, administer and support IBM CICS Transaction Server environments on enterprise z/OS platforms, delivering a secure, highly available, high-performing CICS environment for mission-critical business applications.

What you'll do

• Install, configure, administer, and support IBM CICS Transaction Server environments across enterprise z/OS platforms.
• Perform CICS upgrades, migrations, maintenance, and lifecycle management while ensuring platform stability, availability, and security.
• Manage and support CICS regions, including AOR, TOR, FOR, COR, and complex CICSplex environments.
• Monitor, analyze, and optimize transaction performance, response times, CPU utilization, storage consumption, and workload distribution.
• Configure and maintain CICS resources, system definitions, startup procedures, CSD/BAS definitions, and operational infrastructure.
• Ensure high availability, resiliency, and disaster recovery readiness through proactive capacity planning, recovery testing, and business continuity strategies.
• Administer and support CICS security controls in partnership with RACF and security teams, including transaction, program, command, resource, and surrogate security.
• Support enterprise connectivity and integration technologies such as MQ, EXCI, DPL, MRO, ISC, IPIC, Web Services, REST APIs, and TCP/IP.
• Serve as the highest level technical escalation point for critical incidents, performing root cause analysis, dump and trace analysis, and resolution of complex CICS abends and system issues.
• Collaborate with application development teams to support testing, deployments, modernization initiatives, and production support for business-critical applications.
• Lead strategic initiatives including CICS TS upgrades, API enablement, modernization programs, hybrid cloud integration, DevOps adoption, and observability enhancements.
• Develop and implement automation solutions using REXX, System Automation, NetView, and OPS/MVS to improve operational efficiency and reliability.
• Administer monitoring and observability platforms such as OMEGAMON, MainView, Dynatrace, Tivoli, SMF, and RMF to proactively identify and resolve issues.
• Provide technical leadership, mentoring, architectural guidance, and best practices to system programmers, engineers, and support teams.
• Ensure compliance with operational, security, audit, and service delivery standards while driving continuous improvement across the CICS platform.

What you'll need

• 8+ years of relevant hands-on experience in Mainframe CICS System Programming or CICS infrastructure support.
• Good working knowledge of IBM CICS Transaction Server, including CICS regions, system configuration, administration, monitoring, maintenance, and troubleshooting.
• Experience supporting CICS production environments, including incident resolution, service requests, planned changes, and system maintenance activities.
• Working knowledge of CICS installation, maintenance, upgrades, or migration activities.
• Experience or exposure to CICS-related IBM and third-party products and monitoring tools such as IBM OMEGAMON for CICS, BMC MainView, ASG TMON/CICS, CICS Performance Analyzer, Abend-AID, Xpediter/CICS, InterTest, SymDump, or similar products.
• Understanding of CICS integration with technologies such as IBM MQ, Db2, VSAM, and other Mainframe application components.
• Working knowledge of CICS performance monitoring, transaction analysis, region health monitoring, and basic performance troubleshooting.
• Ability and willingness to participate in rotational on-call support, planned maintenance activities, and Disaster Recovery exercises as required.

Nice to have

• Exposure to CICS Web Services, API enablement, Java integration, or other CICS modernization technologies.
• Experience supporting CICS maintenance using SMP/E and applying IBM PTFs, APAR fixes, or related maintenance.
• Exposure to CICSplex System Manager, CICSPlex SM, Workload Management, or multi-region CICS environments.
• Experience with CICS performance analysis, workload balancing, capacity monitoring, or tuning activities.
• Ability to contribute effectively to projects, upgrades, migrations, maintenance activities, and continuous improvement initiatives as part of a broader technical team.

Details

• Location: Bangalore, Karnataka, India.
• Hybrid-friendly work environment.