Role Overview

The Mainframe Storage Administrator manages and optimizes enterprise storage on IBM z/OS platforms, ensuring availability, performance, and compliance. The role covers provisioning and migration of DASD and tape storage, policy management via DFSMS, and catalog integrity using IDCAMS/ICF Catalogs. The administrator troubleshoots space-related abends, monitors capacity and health using tools like Omegamon, and produces reports from SMF/DCOLLECT/BVIR data. They also drive modernization recommendations, coordinate across multi-LPAR environments with DASD/VTS, and partner with stakeholders while managing a ticket queue and on-call coverage.

Required Qualifications
- 10+ years of hands-on Mainframe Storage Administration experience.
- Solid experience with DASD and tape storage solutions, including configuration and migration (DASDDASD, TapeTape).
- Working knowledge of z/OS (MVS) fundamentals, storage architecture, and storage devices.
- Proficiency with TSO/ISPF, JCL, VSAM, ISMF, JES2, SDSF, and spool management.
- Expertise in datasets and catalogs: PS, PDS, PDSE, GDG,



ICF Catalogs; skilled with IDCAMS/IDCAMs utilities.
- Deep experience with DFSMS components: DFSMSdfp, DFSMSdss, DFSMShsm, and DFSMSrmm (or equivalents).
- Experience with tape management and policy tools such as DFSMSrmm and/or CA-1.
- Hands-on with CA storage products (CA Disk, CA Allocate) and FDR family products for backup/migration.
- Experience with storage monitoring tools such as Omegamon XE (or equivalent).
- Proficiency using ICKDSF for device initialization and maintenance.
- Ability to diagnose and resolve space-related abends (SB37/SD37/SE37) and allocation issues.
- Experience generating and analyzing SMF/DCOLLECT/BVIR reports for capacity and performance.
- Production support in environments with multiple LPARs, CECs, large DASD farms, and VTS controllers.
- Experience with storage replication methods and execution.
- Willingness to provide on-call support across US/Europ

📌 Mainframe storage administrator (Bengaluru)
🏢 Mobilution It Systems
📍 Bengaluru