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

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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