Senior Mainframe COBOL Developer|Nightshift|WFH

Qualifications

● 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

Job Description

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. Key Responsibilities

● Design, code, and unit‑test COBOL programs running under CICS TS

● Maintain VSAM files, DB2 schemas, and COMMAREAs/CHANNELs

● Create/modify JCL for nightly fare refresh, reconciliation, and settlement jobs

● Tune SQL, compiler, and LE settings to reduce CPU/MSU costs

● Participate in code promotion via Endevor → future Git/DBB pipelines

● Provide L3 support: dump analysis, root‑cause, perm fix

● Produce specs, data‑flow diagrams, and release notes