Description

You will work as a Mainframe Developer focused on IBM Z environment configuration delivery and stability.

Responsibilities

• Configure and manage mainframe I/O definitions using Hardware Configuration Definition (HCD).
• Generate and implement IOCDS images and coordinate activations across logical partitions.
• Analyze and update existing configurations to support hardware changes, migrations, and upgrades.
• Troubleshoot I/O pathing, device connectivity, and configuration discrepancies.
• Collaborate with internal teams to ensure alignment between logical and physical configurations.

Required Skills

• Minimum of 8 years defining and maintaining I/O configurations for IBM z/OS systems.
• Proficiency in building and managing IOCDS datasets using HCD and IOCP tools.
• Strong knowledge of IBM z/OS operating system internals.
• Hands-on experience with POR (Power-On Reset) configuration activations and system startups.
• Expertise in troubleshooting and resolving complex I/O configuration issues.
• Familiarity with channel paths, control units, and device definitions.
• Knowledge of Sysplex configurations and dynamic I/O reconfiguration.
• Experience in capacity planning and hardware upgrades.

Key Skills

Education

Any Graduate