Key Requirements: Deep understanding of mainframe technologies ( COBOL, JCL, DB2, VSAM, CICS, IMS ). Proven experience in requirements gathering, impact analysis and documentation of the application. Strong analytical skills for validating developer changes and test results. Ability to document test outcomes comprehensively. Experience supporting Application Maintenance (AM) teams with production incident resolution. Coordination with Release Managers for deployment activities. Eagerness to lea…