Senior Mainframe Systems Programmer (IBM z/OS, CICS, MQ)

1 day, 16 hours ago
Full-time
Lead
DevOps and Infrastructure
Delaware Nation Industries

Delaware Nation Industries

Delaware Nation Industries (DNI) is a tribal organization based in Oklahoma, dedicated to leveraging tribal advantages for non-gaming business strategies. DNI offers a wide range of Information Technology services through its subsidiaries, including In...

Internet Software & Services
251-1K
Founded 2015

Description

  • Administer, configure, upgrade, and maintain IBM z/OS mainframe environments and related software products.
  • Perform software installations, migrations, upgrades, patching, and implementation activities across multiple mainframe environments.
  • Troubleshoot and resolve system abends, outages, and performance issues using logs, traces, dumps, and monitoring tools.
  • Manage IBM MQ environments, including queue managers, queues, channels, backup processing, and web services administration.
  • Monitor and tune system and middleware performance to support availability, reliability, and operational efficiency.
  • Support secure and compliant operations in accordance with cybersecurity and enterprise security requirements.
  • Develop and execute implementation, test, recovery, and back-out plans for software and hardware changes.
  • Coordinate change management, incident management, CAB activities, and cross-functional implementation efforts.
  • Create and maintain technical documentation, SOPs, implementation guides, root cause analyses, and status updates.
  • Support backup, recovery, and disaster recovery planning, testing, and execution.

Requirements

  • Active Top Secret Security Clearance.
  • DoD IAT Level II certification required.
  • Minimum of 8 years of experience in mainframe systems programming, administration, or support.
  • Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field, or equivalent combination of experience and training.
  • Strong hands-on experience with IBM z/OS, CICS Transaction Server, and IBM MQ.
  • Experience with software installation, upgrades, patching, maintenance, and migration activities in enterprise mainframe environments.
  • Experience troubleshooting system abends, dumps, traces, and performance issues in production environments.
  • Working knowledge of SMP/E, JCL, TSO/ISPF, REXX, CLIST, and related IBM mainframe utilities.

Interested in this position?

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