CICS / COBOL Mainframe Developer
JOB DESCRIPTION:
**Must have relevant background in CICS Mainframe, COBOL, Configuration, Performance Tuning and Troubleshooting
You will own new feature delivery and production fixes for the cruise‑booking engine hosted on IBM z/OS. Beyond hands‑on coding, you’ll rotate in L3 incident response to restore service quickly.
Duties and Responsibilities
- Design, code, and unit‑test COBOL programs running under CICS TS
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Maintain VSAM files, DB2 schemas, and COMMAREAs/CHANNELs
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Create/modify JCL for nightly fare refresh, reconciliation, and settlement jobs
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Tune SQL, compiler, and LE settings to reduce CPU/MSU costs
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Participate in code promotion via Endevor → future Git/DBB pipelines
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Provide L3 support: dump analysis, root‑cause, perm fix
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Produce specs, data‑flow diagrams, and release notes
Core Qualifications and Education
- 5 + yrs COBOL on z/OS (3 + yrs in CICS online)
- Strong VSAM, DB2, JCL, TSO/ISPF; debuggers (Debug Tool, Abend‑Aid)
- Familiar with service enablement (CICS Web Svcs, z/OS Connect)
- Incident‑management mindset and clear English communication
- Nice to Have:
– Cruise, airline, or hospitality booking experience
– Exposure to MQ or Java middleware that calls CICS APIs