Sibichakkaravarthy D
Chennai
Summary
Mainframe Developer and Support Specialist with nearly 4 years of experience in Z/OS 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 - Current
- 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 abends and served as the 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 the upgrades
Education
B.Tech - Information Technology
Sri Sairam Engineering College
10.2020
Skills
- JCL
- COBOL
- VSAM
- DB2
- Z/OS
- C
- Python
- Golang
- SPUFI
- ENDEVOR
- JIRA
- SNOW
- AEM
- Javascript
- Maintenance and support
Timeline
Application Developer - Mainframe
TCS(Gen Re)
02.2021 - Current
B.Tech - Information Technology
Sri Sairam Engineering College
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