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Legacy Application Support - Mainframe

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Job Description

Must‑Have Requirements

  • Strong hands‑on experience in COBOL programming

  • Ability to develop, enhance, debug, and optimize COBOL batch and online programs.

  • Expertise in JCL (Job Control Language)

  • Should be able to write, modify, analyze JCL and troubleshoot abends (system/program errors).

  • Solid working knowledge of DB2

  • Experience with SQL queries, stored procedures, performance tuning, and DB2 data handling from COBOL.

  • Experience with CICS and VSAM

  • Skilled in developing/maintaining CICS online transactions and using VSAM files (KSDS/ESDS/RRDS).

  • Core banking domain knowledge

Good‑to‑Have Requirements

  • Knowledge of Mainframe utilities and tools e.g., File-AID, Abend-AID, Expeditor, SMP/E, Endevor, CHANGEMAN.

  • Understanding of SDLC, Agile, and DevOps concepts

  • Familiarity with source code management, CI/CD pipelines, automated testing on mainframe.

  • Performance tuning and system optimization skills

  • Tuning DB2 SQL, COBOL programs, and JCL job performance.

  • Experience in integration and modernization projects

  • API/REST integration with mainframe, migration to cloud/mainframe reengineering, or modernization tools.

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