z/OS Mainframe Storage Engineer
NTT
Job Description
Overview
In this role you will manage and optimize enterprise mainframe storage for IBM z/OS environments, ensuring high availability and resilience. You will work cross-functionally to design, install, and operate storage platforms, including disk, tape, backup, and disaster recovery solutions. The position emphasizes capacity planning, automation, and ongoing modernization to support mission-critical systems.
You will join a collaborative, innovation-driven team within a global technology services leader. This is a hands-on role with a clear impact on reliability, performance, and security of storage infrastructure.
Responsabilidades- Manage mainframe disk and storage administration including provisioning, upgrades, restorations, and ongoing support
- Conduct daily operations: health checks, incident management, monitoring, and issue resolution
- Plan storage capacity expansions and infrastructure changes
- Configure and maintain storage resources for databases, VSAM, work datasets, and sort spaces
- Administer storage management products (e.g., CA Disk and related utilities)
- Install, test, and maintain storage hardware and software solutions
- Plan and perform IODF maintenance, LPAR configuration, and HMC administration
- Administer backup, recovery, archival, and disaster recovery solutions
- Utilize SMP/E and z/OSMF for software maintenance and deployment
- Manage storage volume allocation, capacity, and utilization reporting
- Participate in disaster recovery testing and exercises
- Perform root cause analysis for storage incidents and implement preventive actions
- Collaborate with systems programming, network, database, and application teams
- Leverage automation tools (NetView, System Automation SA z/OS, CA OPS/MVS) to improve efficiency
- Automate repetitive storage tasks and contribute to infrastructure modernization
- Design and support IBM zSeries storage architectures and solutions
- Ensure compliance with security, governance, and operational standards
- Maintain technical documentation, runbooks, and procedures
- Typically 8 to 15+ years of experience in Mainframe Infrastructure and z/OS Storage Administration
- Hands-on IBM z/OS storage experience in large-scale enterprises
- Expertise with IBM DS8000 series (DS8870, DS8K family), DSCLI, GDPS, PPRC Metro Mirror, DFHSM, DFDSS, ICKDSF, SMS, RMM Customization, and z/OS IODF Administration
- Experience installing and upgrading storage hardware and software
- Knowledge of Mainframe Disk Storage Management, Storage Provisioning, Capacity Planning, Backup & Recovery, and Disaster Recovery
- Experience with TS7720 Virtual Tape Systems, Storage Grid Architectures, PPRC replication
- Experience with EMC DLm Virtual Tape systems (installation, upgrade, configuration)
- Familiarity with Broadcom/Brocade storage networking and FICON connectivity
- Strong knowledge of: z/OS, JCL, Job Scheduling, Mainframe Storage Infrastructure
- Experience using SMP/E and z/OSMF for maintenance and deployment
- Strong analytical, troubleshooting, and problem-solving skills
- Excellent verbal and written communication
- strong analytical and problem-solving abilities
- collaboration across cross-functional teams
- excellent verbal and written communication
- IBM DS8000 Series Storage (DS8K / DS8870)
- DSCLI
- GDPS