You will serve as the Subject Matter Expert for core mainframe operations.
Responsibilities
Administer and support core mainframe systems including z/OS, CICS, DB2, IPL, JCL, VSAM, ISPF, TSO, SDSF, IDMS, MQ, GDG, DFHSM, RACF, Spool, and storage management.
Ensure system stability by proactively monitoring, maintaining, and planning for disaster recovery.
Act as the SME for Mainframe System Controller Operations support, designing and managing complex job schedules and workflows.
Troubleshoot job failures, analyze logs, and collaborate with application teams to resolve scheduling conflicts.
Lead troubleshooting for critical outages and perform root cause analysis (RCA).
Required Skills
7+ years of experience in mainframe operations.
Proficiency with Z/OS, CICS, DB2, IPL, JCL, VSAM, ISPF, TSO, SDSF, and IDMS.
Experience managing security protocols using RACF.
Familiarity with networking components (VTAM, TCP/IP) and storage (DASD, tape).
Ability to use tools like RMF, SMF, and Mainview to identify bottlenecks.
Knowledge of compliance requirements including GDPR, HIPAA, and SOX.
Experience integrating TWS/OPC with enterprise monitoring tools.
Ability to provide rotational 24/7 on-call support for Severity-3/4 incidents.