Mainframe Developer - Mumbai

Key Responsibilities

• Application Development & Maintenance: Design, code, test, debug, and document new or modified legacy mainframe programs. [1]
• Production Support: Handle Level 3 production support, troubleshoot abends (abnormal ends), analyze system logs, and ensure minimal system downtime. [1, 2]
• Batch & Database Management: Build and optimize batch processing workflows, manage database interactions, and work with relational data. [1]
• Code Reviews & Collaboration: Participate in code reviews and work across teams using Agile or traditional delivery methods. [1, 2]

Mandatory Technical Skills (Core Stack)

• Languages: COBOL, JCL (Job Control Language), and often REXX or Easytrieve. [1, 2]
• Subsystems & Datastores: CICS (Customer Information Control System), DB2, and VSAM (Virtual Storage Access Method). [1, 2]
• Platform: IBM z/OS environment, TSO/ISPF. [1, 2, 3]
• Tools & Utilities: Change management and scheduling tools such as Changeman, Endeavor, Control-M, or OPC, alongside debugging/utility tools like File-Aid or Abend-AID.