Mainframe IMS System Programmer

Insight Global's client, a Technical System Integrator, is seeking an experienced Mainframe IMS Systems Programmer to support and administer mission-critical IBM z/OS IMS environments. This individual will be responsible for the installation, configuration, maintenance, performance tuning, and operational stability of IMS Database (IMS DB) and IMS Transaction Manager (IMS TM) subsystems. The ideal candidate possesses deep expertise in IBM mainframe infrastructure, IMS administration, performance optimization, disaster recovery, and high-availability architectures supporting large-scale transactional environments.

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

Experience integrating IMS with:

DB2, CICS, MQ, and distributed systems

Familiarity with RACF security controls for IMS environments

Understanding of Sysplex and high availability architectures 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.