IMS Systems Programmer

Computer Task Group, Inc•Phoenix, AZ

1d•Hybrid

About The Position

CTG is seeking to fill an IMS Systems Programmer position for our client. This role is responsible for the installation, configuration, maintenance, support, and optimization of IBM IMS environments on IBM z/OS mainframes. Ensures high availability, performance, reliability, and security of IMS database and transaction processing systems supporting mission-critical enterprise applications.

Requirements

Strong IBM IMS (DB and TM/DC) systems programming experience
Strong working knowledge of IBM z/OS mainframe environments
Experience with SMP/E maintenance and software lifecycle management
Knowledge of IMS components (DBRC, OTMA, IMS Connect, Shared Queues)
Strong IMS performance tuning and troubleshooting skills
Proficiency in JCL and scripting (REXX/CLIST or equivalent)
Understanding of high availability and disaster recovery architectures
Strong analytical, diagnostic, and problem-solving abilities
5+ years of IMS Systems Programming experience in enterprise mainframe environments
Experience supporting large-scale, high-volume IMS production systems
Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

Responsibilities

IMS Database (IMS DB) and IMS Transaction Manager (IMS TM/DC) installation, configuration, upgrades, and support
Performance tuning of IMS regions, buffers, logging, and transaction throughput
Monitoring subsystem health, capacity, and availability across IMS environments
Troubleshooting complex IMS, z/OS, and application connectivity issues
Supporting IMS components including DBRC, OTMA, IMS Connect, and Shared Queues
Applying maintenance and upgrades using SMP/E and vendor tools
Supporting backup/recovery, disaster recovery, and high availability strategies
Collaborating with DBAs, application teams, and z/OS infrastructure engineers
Developing automation and support scripts using JCL, REXX, or CLIST
Supporting security, compliance, and operational audit requirements
Participating in on-call production support rotation