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# Z/Os Mainframe Storage Engineer - Ntt

- **Company:** NTT Ltd.
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Databases, Data Recovery, Disaster Recovery, Hard Disk Drives, IBM Parallel Sysplex, Job Control Language (JCL), Tivoli Management Framework, IBM System Z, Job Scheduling, Mainframes, Software Maintenance, Broadcom, Runbook, Software Systems, System Programming, Virtual Storage Access Methods, Virtual Tape Library, Z/OS, Data Storage Management, System Availability, Storage Technologies
- **Published:** September 18, 2026
- **Apply:** https://www.buscojobs.com.es/z-os-mainframe-storage-engineer-ntt-en-barcelona-ID-372162982

## About the Role

Requisitos principalesTypically 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 DS**** series (DS****, 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 TS**** 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

## Description

OverviewIn 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.ResponsabilidadesManage mainframe disk and storage administration including provisioning, upgrades, restorations, and ongoing supportConduct daily operations: health checks, incident management, monitoring, and issue resolutionPlan storage capacity expansions and infrastructure changesConfigure and maintain storage resources for databases, VSAM, work datasets, and sort spacesAdminister storage management products (e.g., CA Disk and related utilities)Install, test, and maintain storage hardware and software solutionsPlan and perform IODF maintenance, LPAR configuration, and HMC administrationAdminister backup, recovery, archival, and disaster recovery solutionsUtilize SMP/E and z/OSMF for software maintenance and deploymentManage storage volume allocation, capacity, and utilization reportingParticipate in disaster recovery testing and exercisesPerform root cause analysis for storage incidents and implement preventive actionsCollaborate with systems programming, network, database, and application teamsLeverage automation tools (NetView, System Automation SA z/OS, CA OPS/MVS) to improve efficiencyAutomate repetitive storage tasks and contribute to infrastructure modernizationDesign and support IBM zSeries storage architectures and solutionsEnsure compliance with security, governance, and operational standardsMaintain technical documentation, runbooks, and proceduresRequisitos principalesTypically 8 to 15+ years of experience in Mainframe Infrastructure and z/OS Storage AdministrationHands-on IBM z/OS storage experience in large-scale enterprisesExpertise with IBM DS**** series (DS****, DS8K family), DSCLI, GDPS, PPRC Metro Mirror, DFHSM, DFDSS, ICKDSF, SMS, RMM Customization, and z/OS IODF AdministrationExperience installing and upgrading storage hardware and softwareKnowledge of Mainframe Disk Storage Management, Storage Provisioning, Capacity Planning, Backup & Recovery, and Disaster RecoveryExperience with TS**** Virtual Tape Systems, Storage Grid Architectures, PPRC replicationExperience with EMC DLm Virtual Tape systems (installation, upgrade, configuration)Familiarity with Broadcom/Brocade storage networking and FICON connectivityStrong knowledge of: z/OS, JCL, Job Scheduling, Mainframe Storage InfrastructureExperience using SMP/E and z/OSMF for maintenance and deploymentStrong analytical, troubleshooting, and problem-solving skillsExcellent verbal and written communicationstrong analytical and problem-solving abilitiescollaboration across cross-functional teamsexcellent verbal and written communicationIBM DS**** Series Storage (DS8K / DS****)DSCLIGDPS


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