Mainframe Storage Administrator - z/OS

Job Description: Role & Responsibilities: Required Technical and Professional Experience: - 8+ Years of Experience in Mainframe Storage Administration - Administer and manage z/OS storage environments, including EMC/Dell EMC mainframe disk subsystems - Configure and support storage replication solutions (SRDF) for high availability and disaster recovery - Perform disk initialization, reorganization, and space management activities - Maintain and update SMS definitions (Storage Groups, Classes, ACS routines) across LPARs - Manage enterprise tape library systems and tape management processes - Monitor and automate space allocation and dataset growth to prevent storage-related outages - Analyze and optimize I/O performance using RMF/SMF and storage performance metrics - Maintain DFSMS components and related storage utilities and products - Implement and support backup, archive, and DR procedures, including DR testing - Troubleshoot and resolve high-severity storage incidents and service requests - Coordinate with storage vendors and internal teams to resolve technical issues and escalations - Bachelor's degree is mandatory. Preferred Technical and Professional Experience: - Oversee day-to-day operations of z/OS storage infrastructure supporting multiple LPARs - Provision, configure, and manage mainframe disk resources, including volume setup and lifecycle control - Design and maintain policy-driven storage allocation through SMS constructs and ACS logic - Support data replication and resiliency solutions to meet availability and recovery objectives - Administer tape environments, ensuring reliable media management and data retention compliance - Proactively track space consumption trends and implement automated controls to avoid shortages - Evaluate system-level metrics to identify and remediate I/O performance constraints - Ensure operational stability of DFSMS services and associated storage utilities - Execute backup, archive, and data movement processes aligned with enterprise standards - Participate in disaster recovery readiness, including testing, validation, and documentation updates - Lead investigation and resolution of critical storage-related outages and escalations - Coordinate with vendors and cross-functional teams to deliver timely storage solutions and fixes - Logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems - Strong analytical and problem-solving skills with high attention to detail Job Description: Role & Responsibilities: Required Technical and Professional Experience: - 8+ Years of Experience in Mainframe Storage Administration - Administer and manage z/OS storage environments, including EMC/Dell EMC mainframe disk subsystems - Configure and support storage replication solutions (SRDF) for high availability and disaster recovery - Perform disk initialization, reorganization, and space management activities - Maintain and update SMS definitions (Storage Groups, Classes, ACS routines) across LPARs - Manage enterprise tape library systems and tape management processes - Monitor and automate space allocation and dataset growth to prevent storage-related outages - Analyze and optimize I/O performance using RMF/SMF and storage performance metrics - Maintain DFSMS components and related storage utilities and products - Implement and support backup, archive, and DR procedures, including DR testing - Troubleshoot and resolve high-severity storage incidents and service requests - Coordinate with storage vendors and internal teams to resolve technical issues and escalations - Bachelor's degree is mandatory. Preferred Technical and Professional Experience: - Oversee day-to-day operations of z/OS storage infrastructure supporting multiple LPARs - Provision, configure, and manage mainframe disk resources, including volume setup and lifecycle control - Design and maintain policy-driven storage allocation through SMS constructs and ACS logic - Support data replication and resiliency solutions to meet availability and recovery objectives - Administer tape environments, ensuring reliable media management and data retention compliance - Proactively track space consumption trends and implement automated controls to avoid shortages - Evaluate system-level metrics to identify and remediate I/O performance constraints - Ensure operational stability of DFSMS services and associated storage utilities - Execute backup, archive, and data movement processes aligned with enterprise standards - Participate in disaster recovery readiness, including testing, validation, and documentation updates - Lead investigation and resolution of critical storage-related outages and escalations - Coordinate with vendors and cross-functional teams to deliver timely storage solutions and fixes - Logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or appro