Mainframe System Programmer

About the jobMeeBoss is sharing this active opportunity on behalf of the hiring company. This is a contract role for a Mainframe IMS System Programmer supporting IBM z/OS IMS environments in a mission-critical banking or financial services setting.The position requires onsite presence three days a week in the Phoenix, AZ area, with consideration for candidates willing to relocate.Job titleMainframe System ProgrammerCompanyMeeBossLocationPhoenix, AZ (Onsite 3 days/week); other locations include Plano, TX; Charlotte, NC; Richmond, VA; Jacksonville, FL; Pennington, NJ; and Chicago, IL.CompensationContractWhat you will doInstall, configure, and maintain IMS DB and IMS TM subsystems on IBM z/OSPerform version upgrades, maintenance, and patching to ensure system currency and stabilityManage and maintain IMS system definitions, including DBDs, PSBs, ACB libraries, and control regionsConfigure and tune buffer pools, parameters, and system resources to optimize performanceMonitor IMS database and transaction performance, proactively identifying and resolving performance bottlenecksTroubleshoot and resolve system issues by analyzing logs, dumps, abends, and database errorsSupport IMS utilities, backup/recovery processes, and disaster recovery testingEnsure seamless integration with z/OS, DB2, MQ, CICS, TCP/IP, and Sysplex environmentsImplement and follow ITIL/ServiceNow change management processes for all system updatesMaintain accurate technical documentation and system configurationsWhat we are looking for7+ years of experience with IBM z/OS operating systemHands-on experience with IMS DB and IMS TM administrationDeep knowledge of DBD/PSB/ACB management, IMS control regions, and transaction processingExperience with buffer pool tuning and performance optimizationExperience with IMS utilities, backup/recovery, and DR strategiesStrong troubleshooting skills including dump analysis, log analysis, and abend resolutionExperience integrating IMS with DB2, CICS, MQ, and distributed systemsFamiliarity with RACF security controls for IMS environmentsExperience with SMP/E, JCL, TSO/ISPF, and SDSFUnderstanding of Sysplex and high availability architecturesPreferred exposure to IMS modernization or API enablement (z/OS Connect, REST integration)Preferred experience with monitoring tools (e.g., OMEGAMON, MainView, RMF)Preferred knowledge of automation tools (REXX, Ansible, z/OSMF workflows)Skill and experience with IMS Routines & Exit RoutinesAbout MeeBossMeeBoss helps job seekers and hiring teams make direct, relevant career connections.