Mainframe Storage Administrator

2 days ago


Greater Kolkata Area, India Viraaj HR Solutions Private Limited Full time ₹ 12,00,000 - ₹ 36,00,000 per year

About The Opportunity
We operate in the enterprise IT infrastructure and systems integration sector, supporting large-scale mainframe environments for banking, financial services, and mission-critical enterprise workloads. This on-site role in India supports 24x7 operations, storage lifecycle management and disaster-recovery across z/OS ecosystems.

Role & Responsibilities

  • Administer and operate mainframe storage services on z/OS: manage DFSMS, DFSMShsm and DFSMSdss components to ensure reliable dataset and tape lifecycle management.
  • Provision and manage DASD volumes, SMS classes, storage pools and dataset attributes; perform dataset allocation, IDCAMS catalog operations and dataset migration activities.
  • Coordinate LUN provisioning, zoning and connectivity with SAN/storage teams for IBM DS8000 and enterprise arrays via FICON; validate connectivity and resolve I/O issues.
  • Execute backup, restore and tape management operations; maintain HSM policies, runbooks and perform DR restores and recovery testing.
  • Monitor capacity and performance, perform root-cause analysis on storage incidents, and implement tuning or corrective actions to meet SLAs.
  • Automate routine tasks and change implementations using available scripting tools (REXX/CLIST/shell) and contribute to operational runbooks and change-control processes.

Skills & Qualifications
Must-Have

  • Proven hands-on experience administering z/OS storage subsystems (DFSMS, DFSMShsm, DFSMSdss).
  • Operational expertise with JCL and IDCAMS for dataset and catalog management.
  • Experience provisioning and managing DASD, SMS classes and tape management in production mainframe environments.
  • Strong troubleshooting experience for I/O, dataset availability and performance incidents.
  • Familiarity with enterprise storage connectivity using FICON and collaboration with SAN teams for LUN provisioning.
  • Comfort working on-site in a 24x7 operations model and following ITIL/change-management processes.

Preferred

  • Experience with IBM DS8000 or similar enterprise mainframe storage arrays.
  • Knowledge of IBM Spectrum Protect (TSM) integrations for z/OS.
  • Prior exposure to SAN administration and enterprise array platforms (EMC/VMAX, Hitachi).

Benefits & Culture Highlights

  • On-site role with direct exposure to large-scale mainframe operations and cross-functional teams.
  • Opportunities for certifications and skill development in enterprise storage and mainframe technologies.
  • Fast-paced, SLA-driven environment offering career growth in core infrastructure engineering.

Location & Work Type
: India — On-site

If you are an experienced mainframe storage professional who enjoys hands-on operational ownership, capacity planning and storage lifecycle management in high-availability z/OS environments, we encourage you to apply.

Skills: ficon,mainframe storage administrator,administrator,z/os,storage,idcams,mainframe



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