SUMMARY

• Certified mainframe professional with 9+ years of experience in developing, maintaining, supervising and supporting mainframe legacy applications.
• Exposures to technologies which add capabilities to existing legacy systems and interact with modern technologies seamlessly. E.g.,API on zOS and KAFKA.
• Written and executed automation scripts using for LeanFT
• Represented business flows, using Activity Diagrams, and Data Flow Diagrams (DFD) using MS Visio.
• Extensive experience in design, coding testing and implementing in COBOL, JCL, CICS, IMS DB, IMS DC, DB2 and VSAM. Good grasp in, Batch and Online System of Mainframes.
• Handling deployment coordination activities between different teamsi.e., business and other technical deployment teams to take care of our project deployments which includes web, mainframe and database components.
• Developed transactions which use modern front - end UI and backend mainframe transactions, to re-use and retain core logic in legacy while giving users a modern UI.
• Performed pivotal roles to improve the efficiency of the mainframe jobs by reducing run times of few long running jobs.
• Working directly with business users and understanding their requirements from the new system.
• Creating data model for the project
• Have managed projects through all phases right from Requirement analysis, design, coding, System testing, UAT along with customer communication.
• Experienced in Agile as well as Waterfall model of SDLC.
• Individual Awards for outstanding performances at organization level.

TECHNICAL SKILLS

Hardware: COBOL, JCL, NATURAL

IBM Mainframe: OLTPS

Operating Systems: MVS, Z/OS, Windows

Languages: CICS

Files: VSAM

Version controller: ISPW, PANVALET, ENDEVOR, CHANGEMAN

Debugger Tools: XPEDITER, SMARTTEST

Databases: DB2, IMS DB/DC, ADABAS, IDMS

Database Tools: SPUFI, FILE-AID/DB2, TSO PLATINUM

Tools: & Utilities: BMC, FILE-AID, SAR, SARG, SORT, SDF2EASYTRIEVE, TIVOLI, WORK SCHEDULER, TSO PLATINUM, JIRA, CONFLUENCE

PROFESSIONAL EXPERIENCE

Confidential - Chicago IL

Mainframe Developer

Responsibilities:

• Gathering the business requirements from internal BA, vendor BA and business users.
• Understanding the business requirements and creating the requirement understanding document for each requirement work streams.
• Getting the approval for requirement understanding document.
• Creating the detailed design document based on the approved requirement document.
• Fixing the review comments provided by the BA.
• Getting the approval for detailed design document.
• Developing new programs and jobs in mainframe using COBOL, JCL, VSAM, ADABAS and DB2.
• Capturing the results of the testing of the developed programs in unit test results document.
• Getting the approval for unit test results document.
• Running additional testing based on the review comments given by BA.
• Preparing test plans for System Integration Testing.
• Run the system test cycles and capture the SIT results.
• Preparing test plans for User Acceptance Testing.
• Running the UAT test cycles and capture the results
• Getting the approval for UAT from the users.
• Creating package in ENDEVOR and PANVALET for production implementation.
• Using ISPW as a version control tool in the recent phase of the project.

Environment: COBOL, JCL, DB2, CICS, SQL, VSAM, FILEAID, ISPW, ENDEVOR, TSO/ISPF, AGILE / SCRUM, JIRA & CA-7

Confidential, Bentonville AR

Mainframe Developer

Responsibilities:

• Involved in analysing the existing process and did feasibility study with the proposed requirement.
• Analyzed the Logistic data in IMS DB and created document with equivalent OMS - DB2 field mapping.
• Involved in Analysis, Design, Development, Testing and Implementation.
• Prepared Functional Requirement and Technical System Design for the project.
• Developed Mainframe modules with CICS, COBOL, IMS, VSAM, DB2, XML and WEB Service interface.
• Developed & enhanced multiple mainframe online transactions connecting IMS database.
• Created mainframe modules interfacing Java Webservices & DB2 stored procedures.
• Worked with JAVA team to create an XML contract document for JAVA web service launched from Mainframe Modules.
• Involved in Discussion with Confidential SMEs and Business Analyst to understand the Business purpose of each fields in IMS and convert it in to OMS DB2 columns.
• Managed Tracking and monitoring project status activities, co-coordinating the weekly status report and updated status in daily Scrum call.
• Helped entire team in process improvement and ensure quality in deliverables.

Environment: Z/OS, CICS, COBOL, JCL, IMS DB, VSAM, DB2, XML, JAVA WEB Service interface, Endevor, XPEDITOR, Platinum DB2 tool, DB2 stored procedures, TSO/ISPF, CA7, JIIRA - AGILE, File manager, SOAP UI, ICETOOL and SPUFI.

Confidential, Charlotte NC

Mainframe Developer

Responsibilities:

• Analyze the TSD (Technical Specification Document) to understand the requirements from Customer.
• Programming using COBOL, SAS and Easytrieve to retrieve and analyze data to produce reports as per the customer requirement.
• Ability to write some common macros that are useful across multiple applications like reading SYSPARM and count number of observations in a dataset etc.,
• Using PROC SQL joins and PROC SQL set operators and combine tables horizontally and Vertically to produce the desired output as customer needs.
• Involved in design and coding of CICS screens using BMS macros to update the VSAM files.
• Involved in gathering specifications from Business Users and designing of the process and set up timelines for entire process.
• Developed COBOL-IDMS DB programs for batch report processing and written new IBM OS/JCL to compile and run the newly developed programs.
• Developing and using SAS/Macro facility to provide reusable programs that can be conveniently used to update reports.
• Optimizing the existing codes to reduce time and resource utilization using advanced SAS techniques.
• Analyzing various tables using data manipulation techniques like merging, appending, concatenating and sorting
• Estimate the effort required and complexity of request.
• Get in touch with the customer as required for any clarifications
• Scheduled jobs on mainframes using schedulers when required.
• Used Mainframes/JCL to run the different application programs and provided access to GDG and VSAM files.

Environment: TSO/ISPF, MVS, IBM Mainframes, Unisys A series, COBOL, JCL, DB2, VSAM, CICS, IDMS DB/DC, ENDEVOR, EASYTRIEVE, SAS, XPEDITER, File-Aid, QMF &SPUFI Agile Scrum.

Confidential

Mainframe Developer

Responsibilities:

• Provided on-call production support on rotation basis.
• Application Support Analyst: Includes Tickets Resolution, Minor Enhancement and E2E. Also involved in monitoring the Batch Cycles
• Analyzing the existing programs and business process flows; document the understandings in order to help re-engineering of existing Mainframe Application.
• Responsible for working on enhancement/maintenance of existing systems and help to create a plan to transition of legacy systems into a modern architecture.
• Coded mainframe development assignments in COBOL and PL/1, modified tables in DB2 using SQL, PL/SQL, created job cards in JCL to run batch jobs, and modified online screens using CICS.
• Responsible for overseeing the Quality procedures related to the project which includes review of Code Changes and preparing Review Reports. Also run SONAR report for each application program before and after modifications/enhancements
• Involving in Defect Prevention activities by making use of pre- and post-release defects consolidations.
• Performed Root Cause Analysis and Process Improvements.
• Ensure Stability and Performance of the project by undergoing KT process as well as preparing Documents and also providing KT to new joiners on both technical and functional.
• Identify/Reconcile data misalignments between modules and systems.
• Develop and debug application programs to work on Multi-platform distributed CICS online transaction processing environment (IBM TX Series)
• Expertise on Micro Focus, Cobol, DB2 UDB for LUW, Unix scripting, IBM WebSphere MQ
• Created system Flowcharts and data element mapping documents using VISIO.
• Unit testing and Preparation of Unit Test Plans and Reports.
• Provided clear communication on the deliverables when needed and took up the status calls on daily basis with onshore team.