Summary
Overview
Work History
Education
Skills
Tools
Accomplishments
Timeline
Generic

Rajalakshmi R

Mainframe developer
Chennai

Summary

Results-driven mainframe developer with four years of experience in mainframe technology. Proficient in COBOL, JCL, VSAM, and DB2, with a strong track record in designing, coding, testing, and deploying scalable mainframe applications. Adept at analyzing business requirements, troubleshooting production issues, and delivering high-quality solutions. Working with cross-functional teams to enhance system efficiency. Flexible and versatile, able to adapt to any new environment, and quickly grasp complex systems within a short span of time.

Overview

4
4
years of professional experience

Work History

Junior Software Engineer

Cognizant Technology Solutions
06.2021 - Current
  • Collaborated with business analysts to gather and analyze requirements for new system enhancements.
  • Designed and developed COBOL programs to process and manipulate data, adhering to coding standards.
  • Involved in code review, impact analysis and documentation for system changes.
  • Developed and implemented the JCL and procedures for batch processing tasks and scheduling through CA workstation to reduce manual intervention.
  • Created and maintained technical documentation for system enhancements.
  • Wrote and executed test cases for unit and integration testing to ensure code quality.
  • Providing the production support and resolving the issues promptly to minimize downtime.
  • Used ESP to monitor and fix production job abends.
  • Ensure incidents, Service requests, Operational change requests and enhancements are handled within the agreed targets.
  • Engaged in troubleshooting and resolving systems issues in timely manner.
  • Monitored system performance metrics such as CPU utilization, memory usage to identify potential bottlenecks or areas of improvement in the application codebase.

Education

Bachelor of Science - Mathematics And Computer Science

Sastra Deemed To Be University
Kumbakonam
04.2001 -

HSC - Biomaths

Sri Saraswathi Padasala Girls Hr. Sec School
Kumbakonam, India
04.2001 -

SSLC -

Sri Saraswathi Padasala Girls Hr. Sec School
Kumbakonam, India
04.2001 -

Skills

    IBM utilities

    COBOL

    JCL

    VSAM

Tools

JIRA

BMC Remedy

ServiceNow

DB Visualizer

CA Workstation

Endevor

TSO/ISPF

File-Aid & Abend-Aid

Accomplishments

  • Received the Shine a Light Award from the manager in 2025 for resolving the critical production issue.

Timeline

Junior Software Engineer

Cognizant Technology Solutions
06.2021 - Current

Bachelor of Science - Mathematics And Computer Science

Sastra Deemed To Be University
04.2001 -

HSC - Biomaths

Sri Saraswathi Padasala Girls Hr. Sec School
04.2001 -

SSLC -

Sri Saraswathi Padasala Girls Hr. Sec School
04.2001 -

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Rajalakshmi RMainframe developer