Required Qualifications
10+ years of hands-on Mainframe Storage Administration experience
Solid knowledge of z/OS fundamentals, storage architecture, and devices
Experience with DASD and tape configuration, management, and data migration (DASDDASD, tapetape)
Proficiency with DFSMS suite: DFSMSdfp, DFSMShsm (HSM), DFSMSdss, DFSMSrmm
ICF Catalog administration; VSAM and IDCAMS utilities
TSO/ISPF, JCL, JES2, SDSF; dataset types PS/PDS/PDSE/GDG; ISMF
Automation/scripting with REXX; reporting/analytics with SAS
Experience with storage monitoring tools such as OMEGAMON XE (or equivalents)
Familiarity with CA storage products: CA Disk, CA Allocate, CA-1 (or equivalents like DFSMSrmm/TLMS)
Experience with FDR products for backup/restore and migrations
Use of ICKDSF for device/VTOC initialization and maintenance
Ability to analyze and remediate space abends (SB37/SE37/SD37)
Experience producing and interpreting SMF, Dcollect, and BVIR reports
Operational support of multi-LPAR, CECs, DASD, and VTS controllers
Willingness to work 17:3002:20 IST shift with weekend/holiday on-call as needed
Bachelor’s degree in Computer Science or related field (preferred)

Responsibilities




Administer and optimize mainframe DASD and tape environments on z/OS, ensuring availability, performance, and security compliance.
Manage daily storage operations: allocations, migrations, recalls, backups, and recoveries using DFSMS/HSM/DSS and vendor tools.
Oversee ticket queues, prioritize assignments, and collaborate directly with technicians and cross-functional teams to resolve incidents/problems.
Execute storage box data migrations and replication; plan and validate cutovers while maintaining catalog/dataset integrity.
Monitor storage health and capacity (e.g., OMEGAMON), address space abends, and produce SMF/Dcollect/BVIR-based reports.
Administer ICF catalogs, VSAM datasets, and JES2/SDSF spool; use ISMF to define and maintain data/storage/management classes.
Automate routine tasks using REXX and generate operational/management reporting via SAS.
Recommend modernization options, identify optimization prospects, and maintain solid stakeholder relationships.
Provide production support for multiple LPARs, CECs, DASD, and VTS controllers, including on-call coverage during customer hours.

📌 Mainframe Storage Administrator Hyderabad
🏢 Mobilution It Systems
📍 Hyderabad