Mainframe Ops/App
Job in
Scottsdale, Maricopa County, Arizona, 85261, USA
Listed on 2026-06-15
Listing for:
DDC IT SERVICES LLC
Full Time
position Listed on 2026-06-15
Job specializations:
-
IT/Tech
Systems Administrator, IT Support, Technical Support, IT Consultant
Job Description & How to Apply Below
We are seeking someone to join our team as a Mainframe Ops/App Support. The qualified individual will work within an IBM and Unisys mainframe OS and environment to support customer processing, applications, and configurations.
Responsibilities 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 including performing IPL in a highly-complex mainframe operating environment. Provide generalized expertise in OS2200, z/OS, and z/VM operating environments, JES2, JCL, and OpCon Unisys scheduling tool.
Utilize a Windows-based personal computer workstation and the MS Office suite (Outlook, Excel, and Word), Internet browsers, Mainframe Terminal Emulation Software, and ITSM ticketing software.
Provide support using standard tools (currently BMC Control Products Suite) for scheduling to include building, maintaining, and scheduling batch processing (to include complex system abend (error) recovery techniques). Provide real-time accurate monitoring and troubleshooting of multiple mainframe systems and applications.
Conduct troubleshooting of mainframe application support issues in a manner that minimizes interruptions in the MLOB ability to provide customer support.
Work with government personnel, other contractors, MLOB management, and customer personnel to ensure overall efficiency and effectiveness of MLOB Operations and Application Support.
Support MLOB Ops/App Support tracking status of mainframe Change Management which includes Change Requests and Authorized Service Interruptions (ASI).Monitor and maintain the stability of systems and resources in the MLOB Ops/App Support mainframe environment using performance/workload monitoring tools.
Perform system issue/incident determination, resolution, and RCA (e.g.: job abends, system performance degradation, network monitoring/recovery, workload monitoring/recovery).Escalate issues to the Shift Supervisor if unresolved within 15 minutes of receipt.
Conduct tape service support for external tape systems in the z/OS Mainframe environment, including tape movement from silo to silo and preparing/updating tape administration documentation.
Provide status and activity reports on items of team activities. Attend and participate in meetings.
Evaluate the customer’s mainframe processing requirements (e.g. scheduling requests, capacity concerns, and performance requirements) and communicate these requirements to customers and government employees.
Troubleshoot problems to minimize interruptions in the customer's critical business activities and proactively identify and resolve system performance bottlenecks.
Notify the customer of acceptance, receipt of upgrades, and interruptions in service for upgrades/system patches.
Provide follow-up during incident management including ITSM ticket updates, system documentation, and actions taken to fix the issue.
Contact customers for required system reporting including unannounced outages, service interruptions, and system restoral, ensuring compliance with SLA requirements.
Provide ongoing updates, workarounds, and incident resolutions to DISA Ecosystem, C2 cell, and the customer.
Receive and disseminate notifications for ASI, product upgrades, software updates, and COOP exercises.
Support customer performance requirements and customer support policies/procedures to ensure SLA objectives are achieved.
Use government documented processes and procedures to download and install application releases.
Use DISA approved tools and follow policies for Change, Incident, and Service Requests.
Create, delete, and modify application user accounts IAW access requests received by the mission partner and/or Terminal Area Security Officer.
Must be willing to work 3rd shift.
Performs other related duties as assigned.
Qualifications Required Certifications (IAT Level I – Must possess one of the following):
A+ CECCNA Security Network+ CESSCP
Clearance Required:
Secret, IT‑IAbout UsDiné Development Corporation (DDC) is a Navajo Nation owned family of companies that provides government agencies and commercial organizations…
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