Mainframe Storage Administration

Mainframe Storage Administrator -R-59524

Required Technical and Professional Experience

•10+ 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

Skills Required
space management , Smf, Classes, RMF