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# Mainframes Storage Specialist

- **Company:** SDH Systems LLC
- **Location:** Dallas, TX, United States
- **Contract:** Permanent contract
- **Skills:** Disaster Recovery, Hard Disk Drives, Job Control Language (JCL), IBM Mainframe, Mainframes, Performance Tuning, Virtual Tape Library, Tso/ispf, Data Storage Management
- **Published:** August 14, 2026
- **Apply:** https://www.dice.com/job-detail/3f41ffc9-7a34-4342-b915-84bf05924841

## About the Role

* 12+ years of professional work experience as a Mainframe Storage administrator.

Technical key skills (Mandatory skills)

 * Strong knowledge of IBM z/OS Storage Management.
 * Hands-on experience with Hitachi Disk Storage (HDS/VSP, USP, VSP G Series).
 * Experience administering IBM Virtual Tape System (VTS) or Virtual Tape Library (VTL).
 * Strong understanding of DFSMS, SMS, ACS routines, and Storage Groups.
 * Experience with DASD management, allocation, migration, and performance tuning.
 * Knowledge of backup and recovery processes for mainframe storage environments.
 * Experience with storage monitoring and capacity planning.
 * Understanding of disaster recovery (DR) and business continuity processes.
 * Strong troubleshooting and problem-solving skills in enterprise production environments.
 * Experience working with IBM utilities and storage-related system tools.
 * Good understanding of JCL and TSO/ISPF.

## Description

* Administer and support IBM mainframe storage infrastructure in a 24x7 enterprise
 * environment.
 * Manage and maintain DASD storage using Hitachi Disk Storage (HDS/VSP) and related storage subsystems.
 * Configure, monitor, and troubleshoot Virtual Tape Systems (VTS/VTL) and physical tape environments.
 * Perform storage allocation, provisioning, migration, and reclamation activities.
 * Administer and support DFSMS, SMS policies, ACS routines, and storage groups.
 * Monitor storage utilization, perform capacity planning, and recommend storage optimization strategies.
 * Support backup, recovery, replication, and disaster recovery activities.
 * Perform storage performance analysis and tuning to ensure optimal system performance.
 * Coordinate storage-related software and hardware upgrades.
 * Troubleshoot storage incidents and resolve complex production issues.
 * Work closely with system programmers, application teams, and infrastructure teams during project implementations.
 * Create and maintain technical documentation, operational procedures, and storage standards.
 * Ensure compliance with enterprise security, audit, and operational policies.
 * Participate in on-call production support and maintenance activities as required.


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