Summary
Overview
Work History
Education
Skills
Timeline
Generic

Sibichakkaravarthy D

Chennai

Summary

Mainframe Developer and Support Specialist with about 4 years of experience in Mainframe environments, proficient in managing and troubleshooting large-scale mainframe systems. Skilled in COBOL, JCL, SQL, and Z/OS, with a strong focus on batch and online job processing. Experienced in analyzing and resolving incidents, implementing both immediate and permanent fixes, and providing backend support for complex systems.

Overview

4
4
years of professional experience

Work History

Application Developer - Mainframe

TCS(Gen Re)
02.2021 - 11.2024

Skilled in end-to-end processes on Mainframe platform, encompassing Business Analysis, Development, Maintenance, Production Support, Coding, Testing, Documentation, and Implementation

  • Proficient in COBOL, JCL, DB2, SQL, VSAM, and FTP, Z/OS
  • Utilized various IBM utilities such as IEBGENER and IDCAMS to create job scripts based on project needs
  • Applied XPEDITOR for debugging purposes, addressing issues in both online and batch programs
  • Offered resolutions for Errors and served as primary contact for both online and offshore users
  • Automated batch job processing using JCL, reducing manual intervention and improving efficiencies
  • Trained and mentored junior team members on mainframe operations and best practices
  • Utilized Endevor for version control and deployment of mainframe applications, and employed SPUFI (SQL Processing Using File Input) to execute and manage SQL queries for various projects, ensuring accurate data retrieval and system updates
  • Created and modified over 20+ monthly and annual jobs, aligning them with user requirements to enhance operational workflows and meet business needs efficiently
  • Worked on CICS regions, modifying backend outputs using SPUFI to ensure accurate data processing and improve system performance
  • Provided prompt solutions for daily batch job issues, ensuring minimal disruption to operations and maintaining workflow continuity
  • Conducted upgrade testing for UACR and SYNCSORT, ensuring seamless transitions and system stability during and after upgrades

Education

Bachelor of Technology - Information Technology

Sri Sairam Engineering College
Chennai
10.2020

Skills

  • COBOL
  • JCL
  • DB2
  • VSAM
  • CICS
  • SPUFI
  • ENDEVOR
  • Service Now
  • Maintenance and Support
  • Z/OS

Timeline

Application Developer - Mainframe

TCS(Gen Re)
02.2021 - 11.2024

Bachelor of Technology - Information Technology

Sri Sairam Engineering College
Sibichakkaravarthy D