Job Requirements :

- Comprehensive mastery of z/OS Architecture & Administration (including latest z/OS 3.1 and release readiness for z/OS 3.2).
- Advanced SMP/E (RECEIVE, APPLY, ACCEPT, RESTORE, SMPPTS, and CSI management).
- Hands on expertise in JES3 environments (JES3plex, spool management, initialization decks, Global/Local operations).
- MVS Console Architecture: Console operations, routing codes, command authority, message flood automation, and alert triage.
- Deep knowledge of PARMLIB / PROCLIB management, agile I/O configuration (HCD), and Workload Manager (WLM).
- Utilities and diagnostics: IPCS dump reading, AMASPZAP, IDCAMS, DUMP/RESTORE (DFSMSdss), IEBCOPY, and DSNUTILS.
- Copy Services Manager (CSM) administration for multi site replication, HyperSwap monitoring, and storage redundancy.
- Parallel Sysplex concepts: Sysplex Timers (STP), Coupling Facility (CF) structures,



and CDS management.
- Report & log archiving suites: CA View and Flasher.
- Scripting & Automation: REXX, CLIST, and JCL mastery.
- Security: RACF/ ACF2 (profiles, certificates, class administration, and audit remediation).
- Output and spool utilities: (E)JES, or equivalent spool navigation tools.

Preferred Qualifications

- IBM Certified System Administrator – z/OS.
- Experience with JES3 to JES2 migration strategies and assessment planning.
- Familiarity with database/middleware subsystems: IBM Db2 for z/OS, IMS, CICS, and IBM MQ.
- Exposure to Mainframe Modernization: z/OSMF workflows, Ansible for z/OS, and Git based source management.

📌 Mainframe zOS Admin (Bengaluru)
🏢 Talent21
📍 Bengaluru