Madhumitha G

About Madhumitha G

Mainframe Application Production Support Engineer with more than 4 years of experience supporting mission‑critical enterprise banking and insurance applications in high‑availability environments. Proven expertise in COBOL application analysis, JCL troubleshooting, batch cycle monitoring, DB2 data validation, and IMS DB processing. Experienced in diagnosing and resolving production incidents including batch abends, dataset failures, and job scheduling issues. Strong background in incident management, root cause analysis (RCA), and service restoration within strict production SLAs. Skilled at collaborating with development, infrastructure, and database teams to maintain operational stability of large‑scale mainframe workloads.

Experience

1. Junior Software Engineer

   Cognizant

   Jan 2024 — Present · Coimbatore, IN

   Providing L2/L3 production support for enterprise mainframe applications running on COBOL, JCL, DB2, IMS DB/DC, CICS testing and VSAM.Monitoring batch cycles and job schedules using Stonebranch, CA WA WORKSTATION and resolving job failures to ensure production SLA compliance.Investigating batch abends such as S0C7, dataset allocation issues, and JCL errors through JES logs, SYSOUT, and spool analysis.Performing DB2 query analysis and VSAM dataset validation during production issue investigation.Collaborating with development, database, and infrastructure teams to restore services during production incidents.Contributing to application enhancements and bug fixes by analyzing COBOL programs interacting with IMS DB and DB2.Participating in mainframe modernization validation by comparing outputs between legacy and migrated systems.Participating in mainframe decomission activities for the legacy applications.Participating in Code pipeline migraion.

Education

• SRM Institute of Science and Technology (SRMIST)

  Master of Computer Applications - MCA

• Periyar University

  B.Sc, Computer Science

  2019 — 2021