Position Overview
**Position Summary...**
The Mainframe Storage Administrator is responsible for supporting Walmart’s enterprise mainframe storage infrastructure across complex, high availability parallel sysplex environments. This role manages storage pools, virtual tape, disaster recovery processes, and IBM storage technologies that support mission critical workloads at large scale.
The Administrator works closely with mainframe systems, capacity planning, operations, and application teams to ensure resilience, performance, and operational excellence.
**What you'll do...**
Storage Operations & Engineering
· Manage storage pools, including adding volumes, cleanup, and reclaiming unused volumes.
· Provide support for space allocation recommendations and usage optimization.
· Administer and maintain IBM DS8K storage systems.
· Support multiple large-scale parallel sysplex environments with data sharing.
· Perform system initialization, performance tuning, and ...