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Mainframe IMS System Programmer
Mainframe IMS System ProgrammerAvance Consulting • Plano, United States
Mainframe IMS System Programmer

Mainframe IMS System Programmer

Avance Consulting • Plano, United States
[job_card.variable_days_ago]
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  • [job_card.full_time]
[job_card.job_description]

Must Have Technical / Functional Skills :

The IMS System Programmer is responsible for the installation, customization, maintenance, and support of IBM’s Information Management System (IMS) environment on the z / OS mainframe platform. The role ensures high availability, performance, and security of IMS subsystems, coordinates system upgrades, and provides technical expertise for application teams using IMS databases and transaction managers.

Roles & Responsibilities :

System Installation & Maintenance

  • Install, configure, and maintain IMS (DB and TM) subsystems, tools, and associated products (e.g., IMS Connect, IMS Tools, ODBM, BMPs).
  • Perform system upgrades, maintenance (APARs / PTFs), and migrations to newer IMS versions.
  • Manage SMP / E environments for maintenance and software installation.
  • Ensure compatibility between IMS, z / OS, DB2, CICS, and related products.

Performance & Capacity Management

  • Monitor IMS system performance and tune parameters for optimal throughput and response times.
  • Conduct capacity planning and growth analysis to ensure scalability and reliability.
  • Utilize tools like OMEGAMON, Mainview, or RMF for performance tracking and problem diagnosis.

    • System Support & Troubleshooting

  • Provide Level 3 technical support for IMS incidents and system abends.
  • Diagnose and resolve IMS database recovery, log, and buffer issues.
  • Collaborate with IBM support (PMRs, cases) for complex issues and patches.

    • Database Administration Support

  • Support IMS DBA and application teams with DBD, PSB, and ACBGEN processes.
  • Maintain IMS catalog and RECON datasets; ensure proper backup / recovery strategy.
  • Manage IMS utilities such as DFSURGU0, DFSURWF0, and HALDB tools.

    • Automation & Integration

  • Develop and maintain automation scripts using REXX, CLIST, or JCL for operational efficiency.
  • Integrate IMS with monitoring tools, scheduling systems, and middleware (MQ, Connect).
  • Support modernization initiatives such as IMS Open Database or REST API integration.

    • Disaster Recovery & Compliance

  • Participate in DR planning, testing, and documentation of IMS recovery procedures.
  • Ensure adherence to change management, audit, and compliance standards.

    • Documentation & Collaboration

  • Maintain detailed system configuration and maintenance documentation.
  • Provide mentorship to junior system programmers and cross-train peers.
  • Work closely with database administrators, application d evelopers, and infrastructure teams.

    • Other skills

  • Experience with IMS integration to distributed systems (IMS Connect, JDBC, ODBM).
  • Familiarity with z / OSMF, z / OS Connect EE, or API enablement initiatives.
  • Knowledge of mainframe storage management (DFSMS, VSAM).
  • Strong problem-solving, debugging, and performance analysis skills.
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