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Mainframe CICS Systems Programmer - Remote / Telecommute
Mainframe CICS Systems Programmer - Remote / TelecommuteCynet Systems • Frisco, TX
Mainframe CICS Systems Programmer - Remote / Telecommute

Mainframe CICS Systems Programmer - Remote / Telecommute

Cynet Systems • Frisco, TX
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Job Description :

  • The Mainframe CICS Systems Programmer is responsible for the installation, customization, maintenance, and support of IBM CICS Transaction Server environments on z / OS.
  • This role focuses on ensuring high availability, performance, security, and reliability of CICS systems while supporting application teams, integrations, and disaster recovery initiatives.

Responsibilities :

  • Plan, prepare, and execute installations, upgrades, and migrations of IBM CICS Transaction Server across multiple versions.
  • Customize CICS regions, including system initialization parameters, resource definitions, and startup JCL.
  • Apply IBM maintenance such as PTFs and APARs using SMP / E.
  • Provide expert-level support for CICS production and development environments.
  • Analyze CICS system and transaction dumps, traces, logs, and messages to identify root causes.
  • Participate in on-call rotation to support critical CICS systems.
  • Manage and maintain CICS security definitions in collaboration with security administrators.
  • Monitor CICS performance, resource utilization, and system health using industry-standard tools.
  • Identify performance bottlenecks and recommend tuning improvements.
  • Collaborate with application teams to optimize CICS application performance.
  • Configure and maintain CICS connectivity with DB2, MQ, IMS, VSAM, and external systems.
  • Troubleshoot inter-region communication and distributed program link issues.
  • Support CICS web services and RESTful API integrations.
  • Install, configure, and maintain ISV products that integrate with CICS.
  • Develop and maintain JCL, REXX, CLISTs, and scripts for automation and administration.
  • Create and maintain technical documentation, standards, and runbooks.
  • Follow ITIL best practices for change, incident, and problem management.
  • Participate in disaster recovery planning, testing, and execution.

    • Required Skills and Experience :

  • Extensive hands-on experience as a CICS Systems Programmer on z / OS.
  • Strong expertise in IBM CICS Transaction Server installation, customization, and maintenance.
  • Proficiency with SMP / E for CICS and related products.
  • Strong knowledge of CICS architecture, transaction flow, and storage management.
  • Experience with CICS resource definition and administration.
  • Proficiency in JCL, TSO / ISPF, and REXX or CLIST scripting.
  • Experience with CICS performance monitoring and tuning tools.
  • Ability to analyze system dumps, traces, and logs for problem determination.
  • Hands-on experience with CICS connectivity options and troubleshooting.
  • Knowledge of mainframe security products related to CICS.
  • Strong analytical, problem-solving, and communication skills.
  • Ability to manage multiple priorities in a fast-paced environment.

    • Desired Skills and Experience :

  • Experience with CICS Web Services and RESTful API integration.
  • Knowledge of CICS Transaction Gateway administration.
  • Experience with CICS and DB2 integration and performance tuning.
  • Familiarity with IBM MQ for z / OS in CICS environments.
  • Experience with CICS debugging and monitoring tools.
  • Knowledge of z / OS system fundamentals.
  • Exposure to Agile or DevOps practices in a mainframe environment.
  • Relevant CICS or z / OS certifications.
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