Production Support Mainframe Developer

GOPAL NAIDU KILARI

Senior Mainframe Developer

**** ***** **** ***, ********, NC, USA, 28104 +1-757-***-**** ***********@*****.*** www.linkedin.com/in/gopal-kilari111

SUMMARY:

Have 24 years of IT professional experience with full project lifecycle development in Mainframe technologies, Requirements analysis, and Design, Development, Testing, Deployment and production support of software applications.

Experience in Analysis, Sizing, Design, Build code, Reviews, Debugging, Testing and Deployment and Production Support.

Experience in developing, implementing, and managing complex projects within time and budgetary constraints

More than 12 years of Tech lead experience, with strong analytical skills and a broad range of Mainframe expertise

Experience with Utilities Billing system, Mutual Funds Finance system, Automotive applications, HT HR & Corporate systems.

Experience as a Project Lead with solid understanding of Business Requirements Gathering, Evaluating Data Sources, Translating Requirements into Specifications & Application Design

Involving in assisting on creating Business Requirement Document (BRD), Functional Requirements Specification (FRS), and technical requirement specification for application development.

Performed risk analysis of the requirements to identify the key business risks areas for the project and prioritized the application development and testing

Responsible for tracing project requirements to RTM (Requirements Traceability Matrix) for all functional and development teams

Worked on mainframe applications built with COBOL, JCL, DB2, CICS, VSAM, and IMS DB/DC.

Knowledge of end-to-end systems development life cycles (i.e., Water fall & Agile and other modern approaches to software development)

Create batch/online programs using COBOL, JCL, VSAM, DB2, CICS and IMS DB/DC.

Experience in Mainframe testing Involved and support of Unit testing, System integration (SIT), User acceptance (UAT), Regression testing thorough understanding and hands on experience working with sequential files, GSAM, VSAM files, DB2, IMS DB data bases.

Experience in Documentation of High/Low level design documents and Functional specifications

Experience in Web services, MQ.

Hands on experience using version control tools like CHANGEMAN, ENDEAVOR, ISPW, Librarian, SCLM, Debugging tools – IBM Debug, XPEDITOR, Production tools like $AVRS, CA7, ZEKE, CONTROL-M, and General Tools – FILE-AID/ FM, SPUFI, QMF, ABENDAID/Fault Analyzer, PRINCETON.

Develop program logic for new applications or analyzed and modifies logic in existing applications.

Meeting application SME/Technical Lead for business/Technical requirements

Prepare low level design documents based on functional specifications

Prepare SORT cards for data analysis that support requirements

Conduct review of code/products in development

Create Test Plan/Test case document for the developed code.

Prepare the test data for the test cases

Write one time programs to extract the data from VSAM, DB2, IMS/DB data bases

Write several report programs using COBOL and Easytrieve

Prepare Test/Production JCL for the program execution

Involve in various testing activities like requirements extraction, Test design, Test execution, Defect creation, Defect tracking, Defect Closure and test reporting using Jira, Rally, HP Quality, Service now

Works directly with SIT/UAT and Integration testing teams, Infrastructure teams.

TECHNICAL SKILLS:

Operating Systems

IBM Mainframe MVS, z/OS, OS/390

Languages/Interface

COBOL, Ezytrieve, JCL / CICS, IMS/DC

Databases

SQL, DB2, IMS/DB, VSAM

Protocols

SFTP, FTP, NDM, MQFTE

Services

MQ Series

Tools/Utilities

SYNCSORT, SPUFI, QMF, CHANGEMAN, FILE-AID, CA view, CONTROL-M, CA7, Endeavor, SCLM, ISPF, ZEKE, Abend-Aid, Princeton, Xpeditor, ISPW, JIRA, Rally, IBM DEBUG

SDLC

Waterfall, Agile framework

EDUCATION:

Bachelor of Engineering from Sri Venkateswara University, Andhra Pradesh, India

PROFESSIONAL EXPERIENCE:

Client: Harris Teeter, LLC July 2024– Present

Title – Application Programmer IV

Description: Harris Teeter, a subsidiary of the Kroger Co., is a leading supermarket chain operating over 250 stores across the U.S., renowned for quality products and customer service.

Responsibilities:

Played an integral part in the data to day maintenance of HR & Corporate systems of Harris Teeter

Manage the end-to-end process of migrating legacy mainframe components to open systems Technologies by closely working with MF to OS conversion teams for ensuring system integrity and performance.

Redesigned and refactored existing COBOL, JCL, VSAM and CICS codebases to align with instream/upstream systems upgrades, enhancing system scalability and efficiency.

Optimized batch processing and reconciliation jobs as part of the new project updates, significantly improving data processing times and reducing system resource utilization.

Coordinated with cross-functional teams, including infrastructure, testing, and business units, to ensure the minimize disruptions to the business.

Developed new modules and enhanced existing components to support new features and functionalities as per business priorities, adhering to project timelines and quality standards.

Proactively managed and resolved issues related with new enhancements, performing thorough testing and validation to ensure system stability post implementation.

Collaborated with stakeholders to define the new project objectives, ensuring alignment with business needs and future growth strategies.

Environment: Z/OS, COBOL, JCL, CICS, SORT, SCLM, VSAM, XPEDITOR, FILE-AID, JIRA, Abend-Aid, Control-M, Easytrieve.

Client: Cox Automotive July 2020 – March 2024

Title – Senior Mainframe Developer

Description: Cox Automotive is the leading Vehicle Title Management system in the U.S. with a vast lender base, offers a broad range of title management services.

Responsibilities:

Transform complex business requirements into highly scalable technical solutions. This includes

data modelling, creating new tables and/or modifying existing tables in database, making necessary

backend changes.

Create use cases, workflow, conversion requirements and develop high level (HLD) and low level

(LLD) design documents.

Create program specifications and develop logical flowcharts.

Creating mapping document equivalent VSAM data fields to DB2 fields.

Conduct software analysis and develop well designed code using COBOL II, JCL (Job Control

Language), DB2, VSAM (Virtual Storage Access Method), REXX (Restructured Extended Executor),

CICS, database tables as per application needs in DB2.

Once created DB2 tables, extracting data from VSAM files to DB2 tables in testing environment for test the developing programs.

Use IBM Data stage for Extract data from different data sources like DB2 and other flat

Optimized SAS code to reduce run time and make the process more efficient.

files and transform to required form

Create store procedures to retrieve and update data in database as per business requirement

Involve in code review process as per project needs.

Periodically deploying code to dev environment to integrate with other applications.

Create TFS and Snow tickets to deploy code in Controlled environments like QA and Regression.

Attend stabilization meetings after deployments to controlled environments

Customer Information Control System), IBM Data Stage, SQL by coordinating requirements, schedules, and activities; contributing to team meetings; troubleshooting development and production problems across multiple environments and operating platforms.

Environment: Z/OS, MVS, COBOL, JCL, CICS, DB2, SORT, CHANGEMAN, VSAM, XPEDITOR, FILE-AID, JIRA, SPUFI, QMF DB2 Tools.

Client: Franklin Templeton Investments July 2003 - June 2019

Title: Senior Mainframe Developer

Description: Franklin Templeton is the leading mutual fund firm across the globe with a diverse customer base, offering a wide range of services to the investors.

Responsibilities:

Understanding Business requirements (BRD) & converting to Business Technical requirements (BTRD)

Development, Enhancement and Maintenance support (On-line and Batch)

As an Offshore Project Lead involved in discussion and finalization of the technical requirement with the Experts from onsite counter parts.

Involved in the allocation, scheduling and providing the technical support on the assigned tasks to offshore team.

Prepared test conditions and test cases for unit, integration, system and regression testing Conducted Unit, Integration, System and Regression tests and verified test results

Quick Fixing and Reporting provided using Easytrieve.

Involving in C.I. Activity to improve the performance of these TA systems.

Involved in the metrics & dash board preparation on project & production support activities to keep track of the progress in order to complete the project delivery within schedule & Budget.

Assist in the development and implementation of new technologies and systems to improve efficiency and productivity in the shareholder accounting systems.

Responsible for Analysis, Estimation/Sizing, Design, Build, Testing, Deployment & documentation

Participate in the Business & Status meetings & code walk-through

Work for the Client Enhancement, Maintenance Requests & Development & Support

Coding programs using COBOL, IMS DB/DC, VSAM as TABLEBASE, JCL and DB2 & Batch programs

Prepare root cause analysis (RCA) for Clear quest ticket management for Production errors/defects

Report generation using Easytrieve and transmit the report files via a Batch job setup to FTP/NDM the files to downstream systems.

Debug and error handling for online transactions and the batch programs

Conduct code reviews & capture test results

Involved & support of Unit testing, Shake down testing, System integration (SIT), User acceptance (UAT), Regression testing & Business checkout

Run Mainframe IMS/DB2 database utilities

Audit Release packages & Prepare Release checklist

Participate in Project Release coordination working with Business analyst, Architects, DBA’s, Managers and different development teams

Environment: Z/OS, MVS, COBOL, JCL, CICS, IMSDB/IMSDC, DB2, SORT, MQ SERIES, EXPEDITOR, FILE-AID, CHANGEMAN, CONTROL-M, JIRA.

Client: Ni-Source, Inc May 1998 - December 2002

Title: Mainframe Developer

Description:

Ni Source means Northern Indiana Public Services company, which supplies the electricity and gas to the residents of Indiana State.

Responsibilities:

Interacted with the Design team, Business analyst and end users of the system.

Development, Enhancement and Maintenance support (On-line and Batch)

Analysis, Coding and Testing of Archive of Financial Related Tables

As a Subject Matter Expert involved in discussion and finalization of the technical requirement with the Experts from different areas

Involved in Development and Implementation of Pre-Billing application on CIS environment.

Involved in development of new interfaces like Meter Management, Supplier Choice, Soft Close and ERT systems.

Scrubbers and Sufis for mass data clean up

Involved in pre-implementation and post implementation procedures.

Coding programs using COBOL, PL1, IMS DB/DC, VSAM as Table Base, JCL and DB2 and Batch programs

Production support (Callout Team Member) for NiSource (NIPSCO & Baystate Gas)

Analysis and Fix the day to day problems encountered by CSRs Using PRINCETON Tool

Maintenance and Enhancement of the project using TPRs (Task Problem Report) and SRs in Lotus Notes

Setup the unit test, integration test, system test and regression test environment

Prepared test conditions and test cases for unit, integration, system and regression testing

Conducted Unit, Integration, System and Regression tests and verified test results

Quick Fixing and Reporting provided using Easytrieve

Defining and implementing technical solutions in Mainframe Technologies;

Environment: Z/OS, MVS, COBOL, JCL, CICS, DB2, SORT, Princeton, XPEDITOR, FILE-AID, CHANGEMAN, CONTROL-M.

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