Nikhil K.

Experience

• 

  Sopra Steria

  Aug 2018 - Sept 2019

  System Engineer

  TESCO is a British Multinational grocery and general merchandise retailers; The third largest retailer in the world measured by profits and the fifth largest retailer in the world measured by revenues having Stores in 8 countries across Asia and Europe was founded in 1919 by Jack Cohen.The Sopra Steria team works closely with the TESCO Bangalore team, who enhances, develops, and maintains, along with providing support to all the applications for Tesco rewrite.Roles and Responsibilities:Involved in requirement gathering of business enhancements and development.Validating the enhancements, integration testing of various systemsProduction issue fixing and deployment activities.Was part of transition activities with client and onsite team.Worked as Primary Production support from dev team.Involved in Daily/Weekly Status reporting, issue resolutions and escalations.Environment: JCL, COBOL, Endevour, Expeditor, DB2, QMF, VSAM, Windows7 and Z/OS Show less

• 

  DXC Technology

  Oct 2019 - Dec 2020

  Mainframe Developer

  Roles and Responsibilities:• Analyzing and fixing critical defects raised by Business Team.• Support for batch modules using COBOL/DB2/VSAM.• Working with multiple project teams for all the current release activities, testing and implementations.• Responsible for all the offshore code changes, batch cycle executions and testing activities.• Involved in the 17*7 support, if there are any issues with the batch cycle executions or test environment issues.• Proven track record of troubleshooting and resolving mainframe system issues.• Interact with DB2 DBAs administrators for any release admin changes or any security issues.• Monitor, document, and report all the batch cycle execution results and issues.• Defect management, which involves understanding and assigning relevant teammates for further follow up.• Ability to work in an agile environment and adapt quickly to changing requirements.• Conduct weekly team meetings and address project and team issues/concerns.• Experienced in working with mainframe storage systems, including tape and disk.• Familiarity with mainframe security protocols and tools.Environment: JCL, COBOL, DB2, VSAM, Abend Aid, Xpeditor, File Aid, SPUFI, MySQL. Show less

• 

  Capgemini

  Jan 2021 - Jan 2023

  Senior Mainframe System Engineer

  Roles and Responsibilities:• Leading a offshore team of 4 people for project delivery within SLA.• Analyzing and fixing critical defects raised by business Team as PRB ticket.• Performed unit, Regression, and Integration Testing and responsible for Production deployments, implementation support for offshore team • Extensive knowledge and hands-on experience in IBM Mainframe system – z/OS• Expertise in COBOL, JCL, VSAM, DB2, CICS, IMS, and TSO/ISPF• Working with multiple project teams for all the current release activities, testing and implementations.• Demonstrated expertise in designing, developing, and implementing complex mainframe systems.• Involved in production support activities. Ensured the batch cycle gets completed in time. Also, fixed the issues within the time mentioned in Service Level Agreements (SLA).• Conduct weekly team meetings and address project and team issues/concerns.Environment: COBOL, DB2, JCL, VSAM, Abend Aid, Xpeditor, File Aid, SPUFI, MySQL. Show less

• 

  Vanguard

  Mar 2023 - Oct 2024

  Developer

  Key Responsibilities:Collaborate with senior developers to understand legacy Cobol codebase and design strategies for migration to Java.Write efficient, maintainable Java code to replace Cobol modules while ensuring compatibility with existing systems.Develop and implement APIs to facilitate seamless data transfer between backend Cobol and front-end applications.Participate in the planning and execution of DB2 tables migration to AWS, ensuring data integrity and security throughout the process.Conduct testing and debugging of migrated code to identify and resolve any issues or discrepancies.Document processes, code changes, and best practices to support knowledge sharing and future development efforts.Stay updated on industry trends and emerging technologies to contribute innovative solutions to development challenges.Utilize ETL tools to manage data extraction, transformation, and loading processes, ensuring efficient data migration and integration between systems. Show less

• 

  Erie Insurance Group

  Nov 2024 - now

  Sr Mainframe Engineer

  Developed and optimized mainframe batch and online applications using COBOL, DB2, and JCL.Led system modernization efforts by integrating mainframe-based processes with Java-based microservices.Designed and implemented business logic for policy administration and claims processing systems.Analyzed legacy code and refactored modules to improve performance and maintainability.Collaborated with cross-functional teams to ensure smooth implementation of policy and claims-related enhancements.Automated repetitive operational processes using REXX and CLIST, reducing manual intervention.Ensured data integrity and security by implementing optimized DB2 SQL queries and stored procedures.Provided technical guidance and mentoring to junior developers on mainframe best practices.Coordinated and executed disaster recovery testing to validate system resiliency.Utilized Splunk and monitoring tools for real-time log analysis and proactive issue resolution.Integrated MQ messaging for seamless communication between mainframe and distributed systems.Worked closely with business analysts to translate complex requirements into efficient technical solutions. Show less