Role : Mainframe ZOS
Experience : 7 to 15 years
Location : Bangalore/Mumbai
Keywords: Mainframe z/OS & Mainframe Storage Admin
Manage BAU (Business As Usual) Service Delivery for Mainframe OS/Storage in a Technical Capacity
This is for a pure Technical Hands-On role and not for a Team Lead Position
Work on Daily Basis with Client/Customer Mainframe OS-Storage SMEs/Peers
Work on MI (Major Incidents) / P1 (Priority-1) and lesser Tickets as a part of BAU Support
Work on Problem/RCA and Change/CMR Tickets during the weekends.
Provide Business hours support and then On-Call support as is the norm in BAU Service Delivery Role.

Primary requirements
Experience to monitor, support and maintain mainframe DASD tools
Monitor and manage storage performance
Assign and initialize direct access storage volumes.
Determine data set and volume placement
Set and maintain direct access storage resource efficiency
Maintain established direct access storage standards
Suggest Best Practice standards
Maintain space requirements according to Client’s forecasts
Design, implement,



and maintain all DASD pooling structures
Perform catalog management
Perform data migration management
Provide support for all DASD related problems
Perform regular direct-access storage backups
Plan Hardware EOL Life Cycle management and Upgrades

Technical requirements
Hands-on experience with z14/z15/z16 Mainframe HW and Sysplex Setup
z/OS v2.x, JES2, DFSMS, VTAM, RACF/ACF2, TCP/IP, OMVS, RMF/SMF
SMP/E, various ISV products, UserMods and Exits.
IPL/POR procedures, various Mainframe Consoles
Mainframe Tools – OMEGAMON, TEPS, Netview, SIEM
Assembler, REXX, JCL and CA-OPS/MVS Automation,
IODF/IOCDS, HCD/HCM, Mainframe Capacity Planning and Performance Tuning
PARMLIB and PROCLIB concatenation, Memory Regions customization and maintenance
Experience in Disaster Recovery setup and conducting DR drills.
Experience in Mainframe MIPS Optimization, Software rationalization
Hands-on experience with Hitachi VSP 5500, IBM DS80

📌 Mainframe ZOS (Bengaluru)
🏢 Tata Consultancy Services
📍 Bengaluru