Mainframe I/O Configuration

Responsibilities

• Design and maintain I/O configurations.
• Support processor upgrades and CPC activations.
• Configure channels, control units, DASD, tape, and FICON infrastructure.
• Develop and maintain IOCDS definitions.
• Support data center relocations and site swaps.
• Coordinate hardware implementation activities.
• Validate production IPL readiness.

You're good at what you do and possess the required experience to prove it. However, equally as important – you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused – someone who prioritizes customer success in their work. And finally, you're open and borderless – naturally inclusive in how you work with others.

Required Technical and Professional Expertise

• HCD
• IOCP
• IOCDS Generation
• FICON Architecture
• DASD Configuration
• Tape Infrastructure
• CPC Hardware Design
• IPL Planning
• Channel Path Management
• Hardware Migration Planning
• GDPS Awareness
• Disaster Recovery Configuration
• Microsoft Windows Server 2016/2019 implementation and management. VMware ESX experience
• Public/private cloud management. Especially migration from onprem to cloud solution

Preferred Technical and Professional Experience

• IBM Z Mainframe Hardware and I/O Configuration certification or equivalent experience.
• Strong experience with IBM HCD (Hardware Configuration Definition) and IOCP (Input/Output Configuration Program).
• Experience with FICON Director, SAN connectivity, and enterprise storage integration.
• Knowledge of IBM DASD technologies, including DS8000 and enterprise storage platforms.
• Experience supporting IBM Z CPC upgrades, PR/SM, LPAR configurations, and processor migrations.
• Familiarity with GDPS, disaster recovery planning, and high-availability solutions.
• Experience with z/OS IPL processes, HMC, and system activation procedures.
• Knowledge of Parallel Sysplex and multi-site mainframe environments.
• Experience with hardware migration planning and data center transformation projects.
• Familiarity with automation and configuration management tools.
• Understanding of ITIL Change Management and enterprise infrastructure governance.
• Strong problem-solving, documentation, communication, and vendor coordination skills.
• Automation experience, especially IaaS (infrastructure as a code)
• Vulnerability management
• Microsoft Active Directory and federation services