Mainframe Storage Administrator

Job description

Required Technical and Professional Experience • 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 s 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, including testing, validation, and documentation upda • tesLead investigation and resolution of critical storage‑related outages and escalati • onsCoordinate with vendors and cross‑functional teams to deliver timely storage solutions and fi • xesLogic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to probl • emsStrong analytical and problem-solving skills with high attention to det ail