Senior Mainframe CICS Support, Systems Administration

• Install, configure, upgrade, and manage IBM CICS software, startup procedures, and resource definitions on z/OS
• 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
• Assist application teams with CICS deployments
• 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
• Support mission-critical transaction processing systems in a complex 24x7 mainframe environment

• 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
• Hands-on experience analyzing CICS dumps, traces, logs, and performance metrics in high-volume production environments
• Experience with change, incident, and problem management frameworks in high-availability systems
• Bachelor’s degree in computer science or a related field preferred
• Experience with CICS Transaction Server version upgrades, migrations, CICSplex SM, CPSM, and dynamic workload routing preferred
• Expertise in monitoring, tuning, and troubleshooting CICS performance using IBM OMEGAMON, CICS PA, MainView, or Sysview preferred
• Working knowledge of DB2, MQ, IMS, and RACF preferred
• Hands-on experience with disaster recovery execution, automated scripting, ITIL processes, and supporting 24x7 globally distributed production environments preferred

• Flexible, supportive environment
• Well-being support through Be Well programs
• Financial, mental, physical, and social health programs
• Career path tools and personalized development goals
• Continuous feedback and professional development
• Certifications with Microsoft, Google, and Amazon
• Coaching and hands-on learning experiences
• Access to cutting-edge learning opportunities
• Employee referral program