IMS System Programmer

Veridic Solutions; United States; On-site; USD 120,000 - 160,000; Full time

Job summary

Veridic Solutions is seeking a highly skilled Mainframe IMS System Programmer to support IBM z/OS IMS environments in a critical banking/financial services setup. You will ensure IMS DB/IMS TM stability, performance, and security while coordinating with z/OS, DB2, MQ, CICS, TCP/IP, and Sysplex integrations.

The role requires hands-on IMS DB/IMS TM administration, DBD/PSB/ACB management, and proactive performance tuning, with strong troubleshooting skills and ITIL/ServiceNow process adherence.

Qualifications

• 7+ years of experience with IBM z/OS.
• Hands-on IMS DB and IMS TM administration.
• Experience integrating IMS with DB2, CICS, MQ, and TCP/IP.
• Familiarity with RACF security for IMS.
• Experience with Sysplex and high availability architectures.
• Strong debugging: dump analysis, log analysis, abend resolution.

Responsibilities

• Install, configure, and maintain IMS DB and IMS TM on IBM z/OS
• Perform upgrades, maintenance, and patching to keep systems current
• Manage DBD/PSB/ACB definitions and control regions
• Tune buffer pools, parameters, and system resources for performance
• Monitor IMS performance and resolve bottlenecks
• Troubleshoot dumps, abends, logs, and DB errors
• Support backup/recovery and DR testing
• Integrate IMS with DB2, MQ, CICS, TCP/IP, Sysplex
• Follow ITIL/ServiceNow change management for updates
• Maintain technical documentation

Skills

IMS DB

IMS TM

z/OS

DB2 integration

CICS MQ

Troubleshooting

DR planning

SMP/E

JCL

TSO/ISPF

RMF

OMEGAMON

MainView

z/OSMF

REXX

Ansible

Tools

SMP/E

JCL

TSO/ISPF

SDSF

RMF

OMEGAMON

MainView

z/OSMF

REXX

Ansible

Job description

We are seeking a highly skilled Mainframe IMS System Programmer to support and manage IBM z/OS IMS environments.

The role is responsible for ensuring the stability, availability, performance, and security of IMS DB and IMS TM subsystems in a mission-critical banking or financial services environment.

Install, configure, and maintain IMS DB and IMS TM subsystems on IBM z/OS

Perform version upgrades, maintenance, and patching to ensure system currency and stability

Manage and maintain IMS system definitions, including DBDs, PSBs, ACB libraries, and control regions

Configure and tune buffer pools, parameters, and system resources to optimize performance

Monitor IMS database and transaction performance, proactively identifying and resolving performance bottlenecks

Troubleshoot and resolve system issues by analyzing logs, dumps, abends, and database errors

Support IMS utilities, backup/recovery processes, and disaster recovery testing

Ensure seamless integration with z/OS, DB2, MQ, CICS, TCP/IP, and Sysplex environments

Implement and follow ITIL/ServiceNow change management processes for all system updates

Maintain accurate technical documentation and system configurations

Required Qualifications:

7+ years of experience with IBM z/OS operating system

Hands‑on experience with IMS DB and IMS TM administration

Deep knowledge of:

DBD/PSB/ACB management

IMS control regions and transaction processing

Buffer pool tuning and performance optimization

Experience with IMS utilities, backup/recovery, and DR strategies

Strong troubleshooting skills (dump analysis, log analysis, abend resolution)

Experience integrating IMS with:

DB2, CICS, MQ, and distributed systems

Familiarity with RACF security controls for IMS environments

Experience with SMP/E, JCL, TSO/ISPF, SDSF

Understanding of Sysplex and high availability architectures

Preferred Experience:

Exposure to IMS modernization or API enablement (z/OS Connect, REST integration)

Experience with monitoring tools (e.g., OMEGAMON, MainView, RMF)

Knowledge of automation tools (REXX, Ansible, z/OSMF workflows)

Experience with DB control, TCPIP, ZOS Connect, Assembler routines.

Skill and experience with IMS Routines & Exit Routines will be a big plus.