Posted: Dec 28, 2025
The Mainframe Ops/App Support contractor will work in a remote IBM and Unisys mainframe OS and environment to support customer processing, applications, and configurations. The contractor will provide support for difficult problems, perform IPL in a highly-complex mainframe operating environment, and provide expertise in OS2200, z/OS, and z/VM operating environments. Requirements Must possess one of the following required certifications: A+ CE, CCNA Security, Network +CE, SSCP Clearance Required: Secret, IT-I Must be willing to work 3rd shift Provide support controlling, diagnosing, and resolving difficult problems that arise due to incorrect ECL coding/programming techniques Provide IBM and Unisys Mainframe Operations/Application support Utilize a Windows-based personal computer workstation and the MS Office suite Provide support using standard tools for scheduling to include building, maintaining, and scheduling batch processing Monitor and maintain the stability of systems and resources in the MLOB Ops/App Support mainframe environment Perform system issue/incident determination, resolution, and RCA Conduct tape service support for external tape systems in the z/OS Mainframe environment Provide status and activity reports on items of team activities Attend and participate in meetings Evaluate the customer’s mainframe processing requirements Troubleshoot problems to minimize interruptions in the customer's critical business activities Notify the customer of the following: acceptance, receipt of upgrades, and interruptions in service for upgrades/system patches Provide follow-up during incident management Contact customer for required system reporting Provide the latest updates to any ongoing issues, possible workarounds, and incident resolutions Receive and disseminate appropriate notifications for ASI, product upgrades, software updates, and COOP exercises Support customer performance requirements and customer support policies/procedures Benefits Closely aligned with the company's mission to advance the Navajo Nation and its People through economic development and community empowerment Originally posted on Himalayas