Remote Senior z/OS Systems Administrator — Automation & Mentoring

Two95 International Inc.; Malaysia; Remote; MYR 83,000 - 131,000; Full time

Job summary

Two95 International Inc. is seeking an experienced Z/os System Administrator to remotely manage IBM z/OS environments on a long-term contract basis.

The role requires hands-on expertise in z/OS administration, SMP/E, and automation using REXX, with collaboration across operations, storage, network, security, and database teams. The position emphasizes system upgrades, DR testing, and infrastructure modernization, with strong focus on problem determination, performance monitoring, and

Responsibilities

• Install, configure, maintain, and support IBM z/OS operating systems and related system software.
• Perform z/OS upgrades, maintenance, system modifications, and lifecycle management.
• Provide advanced administration and troubleshooting of z/OS environments.
• Use SMP/E (System Modification Program/Extended) extensively for installation, maintenance, upgrades, PTFs, APARs, HOLDDATA processing, and management of IBM and third-party software.
• Analyze SMP/E environments, zones, CSI datasets, SYSMODs, and maintenance requirements.
• Develop and maintain REXX scripts to automate z/OS administration, monitoring, reporting, maintenance, and operational processes.
• Identify manual processes that can be improved through REXX-based automation.
• Administer and support IBM z/OS Management Facility (z/OSMF).
• Configure and maintain z/OSMF services, workflows, plugins, and system management functions.
• Utilize z/OSMF for system management, configuration, monitoring, and automation.
• Perform system problem determination, root-cause analysis, and resolution of complex z/OS issues.
• Monitor system performance, availability, capacity, and overall system health.
• Work with operations, application, storage, network, security, and database teams to resolve mainframe infrastructure issues.
• Participate in system upgrades, migrations, disaster recovery testing, and infrastructure modernization initiatives.
• Maintain system documentation, operating procedures, configuration standards, and technical runbooks.
• Provide technical leadership and mentoring to other mainframe systems administrators.
• Participate in production support and on-call activities as required.

Job description

Two95 International Inc. is seeking an experienced Z/os System Administrator to remotely manage IBM z/OS environments on a long-term contract basis.

The role requires hands-on expertise in z/OS administration, SMP/E, and automation using REXX, with collaboration across operations, storage, network, security, and database teams. The position emphasizes system upgrades, DR testing, and infrastructure modernization, with strong focus on problem determination, performance monitoring, and