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IBM System z HCD/IODF & SAN Specialist

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Job Summary:

We are seeking an experienced IBM System z HCD / IODF Specialist with SAN (Storage Area Network) expertise to manage end-to-end hardware and I/O configurations across enterprise mainframe environments. The ideal candidate will have deep hands-on experience in HCD/IODF/IOCP configuration as well as SAN/FICON infrastructure, supporting device provisioning, channel connectivity, storage integration, and infrastructure changes across complex z/OS environments.

Key Responsibilities:

Design, update, and maintain HCD and IODF configurations for IBM System z environments

Perform hardware and I/O configuration changes, including processors, CHPIDs, control units, and devices

Work with IOCP definitions and manage IOCDS activation and validation

Manage device provisioning and reconfiguration (DASD, tape, network devices, etc.)

🔹 SAN / FICON Responsibilities

Configure and manage SAN/FICON connectivity, including:

FICON directors/switches (e.g., Brocade, Cisco)

Zoning and path definitions

Channel-to-control unit connectivity

Coordinate end-to-end I/O path setup between:

Mainframe (HCD/IOCP)

Storage subsystems (e.g., IBM DS8000)

SAN fabric (switch zoning, port mapping)

Perform SAN-side changes, including:

Zoning updates

Switch configuration changes

Path redundancy and failover validation

Troubleshoot end-to-end I/O issues across HCD, SAN, and storage layers

Required Skills & Experience:

✔ Core Mainframe Skills

Strong hands-on experience with IBM System z / zOS infrastructure

Expertise in:

HCD (Hardware Configuration Definition)

IODF creation and management

IOCP updates and activation

✔ I/O & Hardware Knowledge

Deep understanding of:

Mainframe I/O architecture (CHPIDs, control units, devices)

Processor configuration (LPARs, PR/SM)

Interested candidate please share your resume at divyanshi@mindmergetech.net