Mainframe Storage Support, System Administrator

Job Summary

The Mainframe Storage Support Specialist will provide expert-level support for enterprise mainframe storage environments, ensuring high availability, stability, and performance of mission-critical services. The role involves administration, monitoring, troubleshooting, and implementation of storage solutions across complex z/OS environments.

Responsibilities

• Provide day-to-day support for IBM mainframe storage infrastructure and associated technologies.
• Manage and maintain DASD storage subsystems, storage allocation, and performance optimization.
• Support IBM DFSMS components, including SMS, ACS routines, HSM, DFP, DSS, and RMM.
• Administer and support storage hardware and software platforms such as IBM DS8K, FlashSystem, and related storage technologies.
• Perform incident management, root cause analysis, and problem resolution for storage-related issues.
• Participate in change management activities, including implementation planning, risk assessment, testing, and execution.
• Monitor storage utilization, analyze trends, and perform capacity management activities to ensure future growth requirements are met.

Required Technical and Professional Expertise

• 5+ years of experience supporting IBM Mainframe Storage environments, with strong knowledge of IBM z/OS operating systems and storage architecture.
• Hands-on experience with the DFSMS suite (SMS, DFHSM/HSM, DFDSS, ICKDSF, RMM, IDCAMS, ISMF).
• Hands-on experience supporting IBM DS8000 storage platforms.
• Practical experience managing backup, recovery, replication, and disaster recovery processes.

Preferred Technical and Professional Experience

• Deep understanding of DASD management, storage provisioning, performance tuning, and capacity planning.
• Familiarity with storage monitoring/reporting tools and incident, problem, and change management processes.
• Strong analytical and troubleshooting skills with the ability to support critical systems under tight operational and SLA requirements.
• Bachelor s degree in Information Technology, Computer Science, Engineering (or equivalent experience) and strong English communication skills.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.