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# Mainframe IMS System Programmer

- **Company:** Expert Technology Services
- **Location:** New York, NY, United States (Remote available)
- **Experience:** Expert
- **Salary:** $75,000.0 - $125,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Bash Shell, Business Software, Customer Information Control System (CICS), Databases, IBM DB2, Disaster Recovery, IBM Parallel Sysplex, Monitoring of Systems, Job Control Language (JCL), IBM Mainframe, Rexx (Programming Language), IBM Information Management System, Python (Programming Language), Uptime, Mainframes, Performance Tuning, Subsystems, System Software, Z/OS, Scripting, System Availability, Database Performance, Omegamon
- **Published:** July 4, 2026
- **Apply:** https://www.careerjet.com/jobad/usaf5bac5f9ec7e336b4d60dec023434e0

## About the Role

Required Skills : 5 years of experience working in IBM mainframe (z/OS) environments Strong hands-on experience with: IMS system programming (IMS DB/DC) IMS subsystem configuration and management Control region and system-level IMS components Experience with: IMS installation, configuration, and upgrades Performance tuning and troubleshooting at the system level Strong understanding of: z/OS operating system JCL and system utilities Experience supporting high-availability production environments Preferred Qualifications Experience working with IMS utilities and database integration Exposure to DB2, CICS, or MQ integration Experience with Sysplex environments and distributed IMS workloads Familiarity with monitoring tools (OMEGAMON, MainView, or similar) Experience supporting large-scale enterprise systems Exposure to modernization efforts or API enablement (z/OS Connect, etc.) Experience with automation or scripting (REXX, Python, Shell)

## Description

We are seeking an experienced Mainframe IMS System Programmer to support and manage IMS subsystem environments within a large enterprise IBM mainframe platform. This role focuses on the installation, configuration, maintenance, and performance optimization of IMS systems. You will be responsible for ensuring high availability, reliability, and scalability of IMS environments that support critical business applications.
What You'll Do:

 * Install, configure, and maintain IMS subsystems (IMS DB/DC environments) Manage IMS components including: Control regions (DBCTL, BMP, MPP, etc.) DBD (Database Definitions) PSB (Program Specification Blocks) ACB (Application Control Blocks) Perform IMS system upgrades, patches, and maintenance activities
 * Configure and manage IMS system parameters and runtime environments
 * Monitor and optimize system performance, throughput, and resource utilization
 * Support capacity planning and system tuning activities
 * Troubleshoot and resolve: Subsystem failures
 * Performance issues Abends and system-level errors Collaborate with application teams and DBAs to ensure optimal system and database performance
 * Support integration with other subsystems including: DB2 CICS MQ Participate in disaster recovery planning, failover testing, and high availability initiatives
 * Maintain documentation for IMS configurations, procedures, and system changes Support production environments and ensure system stability and uptime, Job Description The Financial Information Services Agency and the Office of Payroll Administration (FISA-OPA) has a vacancy for a Mainframe Programmer Analyst. FISA maintains a…
 + 20 days ago
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