Job Description:-

About the Role
We are seeking a highly skilled and seasoned Mainframe Storage Administrator to join our enterprise infrastructure team. In this critical role, you will be responsible for the engineering, configuration, performance tuning, data migration, and 24/7 reliability of our enterprise z/OS storage workplace across diverse business domains including retail banking, wealth management, global markets, and payments. You will work closely with application development teams, database administrators, security officers, and third-party vendors to ensure seamless, high-performance data availability, robust backup/recovery capabilities, and disaster recovery readiness for mission-critical systems.

Key Responsibilities
Architecture and Engineering: Design, implement, and maintain complex enterprise mainframe storage environments, managing DASD (including IBM DS8000/FlashSystem series), VTL (IBM TS7700 series), tape subsystems, automated storage tiering, and hierarchical storage management to meet rigorous enterprise availability (99.999%)



and performance standards. Participate in capacity planning and disaster recovery (DR) strategy design, documentation, and testing.
DFSMS Administration and Policy Management: Expertly configure and maintain the Data Facility Storage Management Subsystem (DFSMS), including ACS (Automatic Class Selection) routines, Storage Groups, Data Classes, Management Classes, and Storage Classes to optimize space utilization and performance. Manage dataset allocation, volume selection, and SMS-managed space provisioning.
Performance Tuning and Diagnostics: Monitor storage subsystem performance using tools such as IBM OMEGAMON for Storage, IBM Tivoli Storage Productivity Center (TPC), CA-Disk, and Sysview. Analyze storage-related abends, intermittent I/O timeouts, IO bottlenecks, space shortages, ENQ/DEQ contention on storage volumes, and device allocation errors, performing deep-dive troubleshooting to resolve issues swiftly.

📌 Mainframe Storage Admin (Hyderabad)
🏢 Yash Technologies
📍 Hyderabad