MainFrame Operator
Core
Operate and safeguard high-availability IBM z/OS environments running enterprise-scale customer workloads, ensuring seamless, secure, and reliable core business operations around the clock.
Role type
Senior Mainframe Operator (z/OS)
Builds
Mission-critical production systems and batch processing cycles for enterprise customers
Domain
Enterprise IT Operations / Mainframe Infrastructure
Required skills
IBM z/OS operations, JES2/JES3, TSO/ISPF, SDSF, CA-7/Control-M/Tivoli Workload Scheduler, CICS, DB2, IMS, RACF, disaster recovery protocols, rotating shift management
Preferred skills
Disaster Recovery simulations, Mainframe IPL procedures, Rexx/CLIST scripting, ITIL Incident/Problem/Change Management, hybrid-cloud integration
Technologies
IBM z/OS, JES2, JES3, TSO, ISPF, SDSF, CA-7, Control-M, Tivoli Workload Scheduler, CICS, DB2, IMS, RACF
Responsibilities
Monitor and operate IBM Mainframe production environments via console management; Manage end-to-end daily operations including batch job scheduling and system health checks; Detect, triage, and resolve production operational incidents rapidly; Oversee business-critical processing schedules; Partner with database, storage, networking, and application support squads; Execute scheduled maintenance windows, system IPLs, and disaster recovery exercises
Seniority
Senior, hands-on IC