Sr Tower Lead (Tools & Automation)

Job Summary

The Mainframe Storage Admin owns the design, configuration, migration and ongoing optimization of the DASD and virtual tape storage estate, including GDPS-integrated resiliency and Logical Corruption Protection via immutable copies. The role also drives storage capacity optimization and integration with cloud storage tiers as part of broader modernization initiatives.

Key Responsibilities

• Design and configure new DASD storage subsystems and Virtual Tape Server (VTS/TS7700) environments or other OEMs like Hitachi and Dell/EMC.
• Install, upgrade, decom and maintain Storage products like CA1-Tape Management, IBM TACM, CA Vantage etc. and tool consolidation along with decommission.
• Migrate the storage architecture from IBM DS8K to Hitachi or vice-versa.
• Configure and validate GDPS-integrated storage replication (e.g., Metro Mirror/PPRC, Global Mirror) for high availability and disaster recovery.
• Implement and manage immutable/Safeguarded Copy configurations to deliver Logical Corruption Protection (LCP) against ransomware and data corruption events.
• Participate in and help design high-availability and disaster recovery exercises, including planned/unplanned region-switch testing.
• Continuously monitor and optimize storage capacity utilization, including SMS policy tuning and DFSMShsm lifecycle management.
• Lead integration of mainframe storage with cloud storage tiers (e.g., Transparent Cloud Tiering) as part of hybrid storage strategies.
• Perform Proof-of-concept (POC) on Sandbox LPAR to build & test the use-cases using different vendor products which are found promising and establish the documentation proof of benefits realization after POC completion.
• Support storage-related audits, compliance reviews, and capacity forecasting for customer environments by analysing DCOLLECT & SMF Data.
• Partner with z/OS, Db2/IMS, and automation teams to ensure storage architecture aligns with overall platform resiliency goals.

Skill Requirements

Other Requirements