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10+ Years of Experience in Mainframe Storage Administratio
• nAdminister and manage z/OS storage environments, including EMC/Dell EMC mainframe disk subsystem
• sConfigure and support storage replication solutions (SRDF) for high availability and disaster recover
• yPerform disk initialization, reorganization, and space management activitie
• sMaintain and update SMS definitions (Storage Groups, Classes, ACS routines) across LPAR
• sManage enterprise tape library systems and tape management processe
• sMonitor and automate space allocation and dataset growth to prevent storage-related outage
• sAnalyze and optimize I/O performance using RMF/SMF and storage performance metric
• sMaintain DFSMS components and related storage utilities and product
• sImplement and support backup, archive, and DR procedures, including DR testin
• gTroubleshoot and resolve high-severity storage incidents and service request
• sCoordinate with storage vendors and internal teams to resolve technical issues and escalation
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Preferred Technical and Professional Experie
• nceOversee day‑to‑day operations of z/OS storage infrastructure supporting multiple LP
• ARsProvision, configure, and manage mainframe disk resources, including volume setup and lifecycle cont
• rolDesign and maintain policy‑driven storage allocation through SMS constructs and ACS lo
• gicSupport data replication and resiliency solutions to meet availability and recovery objecti
• vesAdminister tape environments, ensuring reliable media management and data retention complia
• nceProactively track space consumption trends and implement automated controls to avoid shorta
• gesEvaluate system‑level metrics to identify and remediate I/O performance constrai
• ntsEnsure operational stability of DFSMS services and associated storage utilit
• iesExecute backup, archive, and data movement processes aligned with enterprise standa
• rdsParticipate in disaster recovery readiness, incl