Senior z​/OS Systems Administrator Remote; EST​/CST

Title:

Z/os System Administrator

Location:

Remote

Type:
Long Term Contract

Rate: $Open/hr.

• 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 scriptsto 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.