z/OS Systems Administrator :: 100% Remote

DMS Vision • Frisco, TX

8h • Remote

About The Position

DMS Visions Inc. is hiring an experienced z/OS Systems Administrator for a 100% remote, 12+ month contract. The role administers and supports IBM z/OS mainframe environments, with a focus on IBM Z hardware configuration, HCD, IOCDS, FICON switches, and storage connectivity. The administrator performs hardware planning and upgrades, troubleshoots hardware and I/O issues, coordinates with infrastructure, storage, and network teams to support high availability and performance, and maintains system documentation while following enterprise change management processes.

Requirements

• Strong experience as a z/OS Systems Administrator or Mainframe System Programmer.
• Hands-on expertise with HCD (Hardware Configuration Definition).
• Experience building and maintaining IOCDS.
• Strong knowledge of FICON switches and IBM Z hardware configuration.
• Experience supporting enterprise production mainframe environments.
• Excellent troubleshooting, analytical, and problem-solving skills.

Nice To Haves

• Experience with IBM Z enterprise systems.
• Knowledge of disaster recovery and capacity planning.
• Familiarity with enterprise change management and infrastructure best practices.

Responsibilities

• Administer and support IBM z/OS mainframe environments.
• Manage mainframe hardware configurations using Hardware Configuration Definition (HCD).
• Build, maintain, and validate IOCDS (I/O Configuration Data Sets).
• Configure and support FICON switches and storage connectivity.
• Perform hardware planning, configuration changes, and system upgrades.
• Troubleshoot hardware, I/O, and system configuration issues.
• Coordinate with infrastructure, storage, and network teams to ensure high availability and performance.
• Maintain system documentation and follow enterprise change management processes.

What This Job Offers

• Career Level: Mid Level
• Education Level: No Education Listed