Mainframe ZOS System Programmer

Job Title : Mainframe ZOS System Programmer

Location : Phoenix, AZ area.

Duration : 6 to 12+Months

The Mainframe z/OS System Programmer is responsible for the installation, customization, maintenance, and optimization of IBM z/OS operating systems and associated system software. This role ensures the stability, performance, security, and availability of mission-critical mainframe environments, supporting large-scale enterprise applications.

Responsibilities:

System Administration & Maintenance:

• Install, configure, and maintain IBM z/OS operating systems.
• Perform system upgrades, migrations (e.g., z/OS version upgrades), and apply maintenance (PTFs, APARs, RSUs).
• Manage IPL processes, system initialization, and configuration (PARMLIB, PROCLIB, SYS1 datasets).
• Monitor system health and performance using tools such as RMF, SMF, SDSF.