Mainframe Consultant

Summary

Results-driven Mainframe Consultant with over 13+ years of experience providing end-to-end mainframe consulting services to clients in various financial industries. Skilled in identifying client needs, designing bespoke solutions, and implementing strategic enhancements to ensure seamless mainframe operations. Strong communication and project management abilities, coupled with a deep understanding of mainframe architecture, make me a valuable asset for organizations seeking to maximize the performance of their mainframe environments.

Professional Experience

Mainframe Consultant @ Eviden (ATOS Syntel) Oct 2023 – Present

Project: Bankruptcy & Probate System (Mainframe) - Discover Financial Services (DFS), Riverwoods, IL.

Bankruptcy and Probate are one of the critical systems in Recollect operation on Discover Financial Services that allows individual, married couple and businesses to eliminate or restructure their debts when they have financial difficulties.

Responsibilities:

Accountable for understanding business requirements and co-ordinate with multiple teams to accomplish tasks with analytical thinking.

Collaborate with clients, various stakeholders and end users to determine operational needs system requirements and business goals.

Analyze the effectiveness of current Legacy system and provide logical corrective measures for deficiencies and develop strategies to improve the productivity.

Performing analysis of the mainframe programs reverse engineering of existing Bankruptcy applications.

Interpret the business logics from the programming logics in mainframe programs to be used by modernization teams for conversion.

Support creating test data setup for Modernization teams to validate various business scenarios, Data analysis to be done to extract the data and setup test data for perfectly matching scenarios which the modernization team required.

Providing support for unit testing, system testing, UAT Batch processing implementation project phases by providing root cause analysis on defects raised.

Ensure proper quality in testing results in all phases and providing 24/7 support for Legacy components.

Mainframe Consultant @ Oak Technologies Inc Mar 2020 - Aug 2021 Oct 2022 - Sept 2024

Project: IDMS to DB2 Conversion (Edward Jones)

Convert all Batch and Online modules using IDMS as database to DB2 tables and perform regression testing to make sure the functionalities are as expected.

Responsibilities:

Performed outstanding development involving COBOL, CICS, IDMS & DB2 modules.

Established coding skills in IDMS to DB2 Conversion project and achieved by migrating more than 20+ modules per sprint.

Restructured all assigned COBOL/IDMS modules to COBOL/DB2 by adhere the EDJ standards and collaborated with the other teams to get in-depth knowledge of the program functionalities.

Ensuring the continuation and enhancements of services by participating in SME walkthrough and fixing the review comments.

Succeeded in training on Workbench & ISPW/TOPAZ tools on Mainframe as part of version control management.

Ensures high quality result oriented systems streamlined by participating in DEV, UAT, Pre-Prod migrations and obtained best results during live production.

Outperformed and completed proof of concepts for innovative new solutions on process automation.

Achieved the target results on the number of module conversion counts and provide high coding standards.

Project: VisionPlus Support & Cloud Statements Load (CapitalOne/Cognizant)

Conversion of all WHIRL (VisionPlus) system to TSYS, supporting SNAP (System of New Account Processing) and CMS modules via VisionPlus (WHIRL) for the new account generation and credit line assignment based on SMG3 decision engine.

Responsibilities:

Includes migration of statements from client server to S3 buckets on cloud storage for online statement availability for end users.

Point of contact for SNAP / CDM requests for onboarding new accounts during conversions and support other regular account conditioning tasks.

Performs as a technical analyst to create detailed system design requirements based on the gathered business requirements.

Participate in extraction and migration of data (PDF, Images, Profiles, MetaData, CSV, etc.) from client server to capital One S3 buckets

Deliver daily status report on extraction and migration progress to the Project manager and all stakeholders.

Data Engineer II @ Bank of America India Pvt Limited, Chennai, Tamil Nadu Aug 2021 – Oct 2022

Project: CDH to CDP Conversion

Conversion of Cloudera Distributed Hadoop process to Cloudera Distributed Platform.

Responsibilities:

Trustworthy for gathering business requirements from business users and follow Sprint planning ceremony.

Created first class documentation on detailed system requirement based on business needs. Implemented CDH to CDP conversion by using BigData tools.

Showcased Data analysis skill on Teradata loads and reliable for data correctness.

Design Big Data applications and Data migration projects utilizing Big Data Ecosystem tools like MapReduce, Spark, HDFS, Hive and Impala.

Inspected new rules or constraints setting based on the credit limit on each customer. Learned FDIC process flow in case if disaster recovery plan and actions.

Coordinated to work on Hadoop changes which involves complex data model and ensures to follow standards.

Created proofs of concept for new ideas which involve Big Data technologies such as Apache / PySpark/Teradata.

Participate in extraction and migration of data (PDF, Images, Profiles, MetaData, CSV, etc.) from client server to S3 buckets

Reported daily status on extraction and migration progress to the Project manager and all stakeholders.

Automated the processing of the data reporting and ensure the correctness of data.

Mainframe Developer @ Tata Consultancy Services Jun 2011 - Mar 2020

Project: Retail Statements & Letters - CITI Bank, Elk Grove Village, IL.

Generating Statements and Letters for Citi Bank Retail Clients customers. Involved mainframe process and OpenText/HP Exstream software to generate both Statements & Letters in XML, PDF and Printer readable formats.

Responsibilities:

Explored and outperformed with coding skills in conversion of COBOL and Unix (AIX) shell scripting with excellent performance in process improvements in COBOL modules/DB2 queries.

Examined the old codes and modified them to make them more understandable to meet the business requirements.

Directed to create and process complex XML files from COBOL achieving by using PARSE and loading to Cloud or CMOD from HP / OpenText Exstream processing.

Formulated estimation and analysis of code and work done on enhancement projects for various applications.

Mentor and trained new joiners on both technical and process wise improvements which cost either blue- or white-collar savings.

Extensively worked and proved expertise in HP/OpenText Exstream conversion from version 8 to 9 and from version 9 to 16.

Succeeded in migration of few COBOL mainframe logic to UNIX shell scripting which made 45% of both green and blue dollar savings.

Pitched as a Lead in coding new set of components/logics to generate customer bank statements and letters as per the requirements.

Conscientious for gathering business requirements from business users and backlog refinement.

Coordinated with team of 20+ resources located both onsite (USA) and offshore (India).

Demonstrated experience in the field of data analysis and visualization on business requirements.

KEY SKILLS

Languages

IBM COBOL, CICS, IBM JCL, Easytrieve, SQL, Unix Shell Script

Database

DB2, IDMS, VSAM, Teradata/Bigdata and AWS S3 Bucket

Methodologies

Agile, Waterfall

Software

IBM TSO/ISPF, File-Manager, File-Aid, FTP/SFTP, NDM, Abend-Aid, DYL280, SDSF, Jira, HP/OpenText Exstream, Putty (Unix script), SNOW (ServiceNow), Z/OS Connect, Apache Hadoop, MS Office.

Version Control & Schedulers

Change-Man, Endevor, Workbench, ISPW TOPAZ, IBM RTC, GitHub, OPCE Scheduler, Tivoli Workload Scheduler, CA7 scheduler, Autosys Scheduler.

Testing Tool

Xpeditor, Intertest, QMF, SPUFI, POSTMAN, HPE ALM, Quality Center (QC).

Product

IBM Utilities, Solana, OnDemand, WebView, IBM RDZ, Vision Plus (CMS, LTS & TRAMS)

Functional

Cards, Retail Banking and Finance, Bankruptcy & Probate

EDUCATION

Degree

Area of Interest

Institution

Location

Start Year

End Year

Master’s

Computer Science & Engineering

Thiagarajar College of Engineering

Madurai, TN, India

2009

2011

Bachelor’s

Computer Science & Engineering

Anand Institute of Higher Technology

Chennai, TN, India

2005

2009

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