Mainframe Storage Administrator

Senior Mainframe Storage Administrator

Job Overview

We are seeking a highly experienced Senior Mainframe Storage Administrator with 12+ years of professional experience supporting IBM z/OS storage environments. The ideal candidate will have strong hands-on experience with IBM z/OS Storage Management, Hitachi Disk Storage (HDS/VSP/USP/VSP G Series), IBM Virtual Tape Systems (VTS/ VTL), DFSMS, SMS, ACS routines, DASD management, storage provisioning, migration, performance tuning, backup/recovery, and capacity planning.

The candidate will be responsible for administering and supporting enterprise mainframe storage infrastructure in a 24x7 production environment, troubleshooting complex storage issues, and working closely with system programmers, application teams, and infrastructure teams.

Key Responsibilities

- 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, reclamation, and related storage administration activities.

- Administer and support DFSMS, SMS policies, ACS routines, and storage groups.

- Monitor storage utilization and perform capacity planning and storage optimization.

- 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.

- Collaborate with Mainframe 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.

Required Technical Skills

- 12+ years of experience as a Mainframe Storage Administrator.

- Strong knowledge of IBM z/OS Storage Management.

- Hands-on experience with Hitachi Disk Storage, including:

  - HDS

  - VSP

  - USP

  - VSP G Series

- Experience administering IBM Virtual Tape Systems (VTS) and/or Virtual Tape Libraries (VTL).

- Strong understanding of:

  - DFSMS

  - SMS

  - ACS routines

  - Storage Groups

- Hands-on experience with DASD management, allocation, migration, reclamation, and performance tuning.

- Knowledge of mainframe backup and recovery processes.

- Experience with storage monitoring and capacity planning.

- Strong troubleshooting and production support experience.

- Experience with storage performance analysis and optimization.

Preferred Skills

- Experience supporting large-scale 24x7 enterprise mainframe environments.

- Knowledge of storage replication and disaster recovery technologies.

- Experience coordinating storage hardware and software upgrades.

- Strong understanding of enterprise security, audit, and operational compliance requirements.

- Excellent communication and collaboration skills.

- Ability to work effectively with system programmers, application teams, infrastructure teams, and other stakeholders.