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