Mainframe z/OS Administrator

JD Title : Mainframe z/OS Administrator (Level-2.5/3)

Job Description

Title of Position : Mainframe z/OS and Mainframe Storage Admin

Summary of key responsibilities

Minimum 10+ years of hands-on technical experience as a Mainframe zOS & Mainframe Storage Admin

Prior experience working in a large Mainframe setup of minimum 5,000 MIPS and above.

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 24 x 7 ON-CALL support as is the norm in BAU Service Delivery Role

Support Mainframe Projects (HW Upgrade, OS Upgrade, ISV Products upgrade etc ) as per needs.

Ensure Mainframe System Availability @ 99.99% and work towards meeting agreed SLAs

Years of Experience

Minimum 10+ years of hands-on technical experience as a Mainframe zOS Admin

Technical requirements

Hands-on experience with z12/z13/z14/z15 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, Tivoli SA Automation

Tivoli SA knowledge is very important

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