Key Responsibilities
Application Development &
Maintenance:

Design, code, test, debug, and document current 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 workplace, 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.

📌 Mainframe Developer Mumbai
🏢 Mphasis
📍 Mumbai