mainframe developer resume example with 9+ years of experience

Jessica Claire
  • Montgomery Street, San Francisco, 94105 609 Johnson Ave., 49204, Tulsa, OK
  • Home: (555) 432-1000
  • Cell:
  • 9+ years of IT experience both at onshore and offshore in various capacities
  • Well experienced in Mainframe application design, development, testing and implementation using COBOL, IMS, CICS, DB2, VSAM, JCL and testing IMS based applications
  • Handled complete Development, Migration, Setting up of legacy IMS system to Oracle ERP.
  • Have good knowledge of Supply chain end to end process
  • Excellent interpersonal skills, problem solving and analytical abilities.
  • Professionally adaptable to get on board quickly with new technologies and new assignment.
  • Experience in file protocols such as FTP, SFTP.
  • Have worked on diverse domains such as Manufacturing, Supply Chain, Order Management, Warranty.
  • Hands on experience on integrating Mainframe with EDI, Middle ware, Oracle system and Data warehouse
  • Good Exposure in Leading the Team and experience in Client communications.
  • IMS
  • JCL
  • VSAM
  • DB2,CICS
  • REXX
  • IBM Utilities
  • File aid and file Manager
  • Configuration Tool ENDEVOR
  • Debugging Tool XPEDITER
  • Scheduler CA7
  • Documentation
  • Knowledge Management
  • Requirement Gathering
  • Incident Management
  • SDA
  • SQL Developer
  • Microsoft office (word / Excel)
  • Outlook, Lotus notes
  • IBM Rational
  • Remedy 8 and Remedy 9
  • Service Now
  • Visio Professional 5.0
  • IPMS v 8.1 (TCSL Proprietary Tool)
  • Technical Analysis
Mainframe Developer, 07/2016 to Current
Apex SystemsLima, OH,
  • Project Title: Cummins Mainframes Applications Development and Enhancements.
  • Client Name: Cummins Inc.
  • Served as a liaison between the manufacturing business group and Technical development teams to clarify requirements, review recommendations and answer questions by coordinating cross-functional project team meetings effectively and efficiently.
  • Supporting Manufacturing Application Business for 3 Cummins Engine Plants - CMEP, GEX, JEP.
  • Performed gap analysis to determine escalations and formulated rules and strategy to investigate types of errors and worked closely with business stakeholders to resolve any issues that would affect the Engine Manufacturing Business.
  • Involved in Analyzing the existing system and performing the feasibility of the requirements.
  • Preparation of Requirement specification based on the analysis of the requirements and the impact analysis done to figure out the programs, the online transactions and the database those would be affected by the implementation of this change and how this change would affect.
  • To get the approval of this requirement specification from the Client.
  • Preparation of an Estimation document (number of hours / days) to complete the request and get this approved by the client.
  • This estimation includes the time taken for analysis, designing the change, coding, unit testing and implementation.
  • Interact with Open Systems Team in developing the new Interfaces and preparing the test plans to test them.
  • Preparing a solution design for the implementation of the project which will be reviewed and get approved from the client to start with the development work.
  • Preparation of High-level design specifications and Low-level design specifications as per the requirements of the client.
  • Code Changes as per the Low-level Design Document will be reviewed and submitted to the client for approval.
  • This includes changes to the existing programs, screens and databases.
  • It may also include writing innovative programs, formulating new screens, constructing new database segments.
  • Preparation of Unit Test Plan with the use of TCS tool and carrying out unit and Integration testing.
  • Involve in the User Acceptance Testing of all the Change Request’s.
  • Monitor & Lead the Quality Review process along with the Technical process.
  • IQMS a TCS defined tool will be used to Monitor and review the quality process along with the technical process.
Development Lead, 06/2014 to 06/2016
General MotorsKansas City, KS,
  • Project Title: Cummins Mainframes Applications Development and Enhancements.
  • Client Name: Cummins Inc.
  • Worked as a Mainframe Developer and implemented over 100+ changes including changes in IMS Screens, COBOL batch Jobs, VSAM and SORT card Utilities.
  • Worked closely with Assembly line Teams, Quality Teams, New Product Teams, Finance Teams, Materials Teams and Suppliers to understand the Business plans and Manufacturing strategies for different Cummins business plants.
  • Co-ordinates with Onsite and Offshore team to get regular Status updates and closed Pending Items with proper updates.
  • Provided Critical and High Technical support 24X7 within Service Level Agreement with 100% success rate to make sure the manufacturing business is not impacted in any way.
  • Lead a team of 3 Persons both Production support and Development and Training new persons into the team with proper Knowledge Transfer Sessions.
  • Had extracted the Logic's from the Current IMS Batch Jobs and shared the the flowcharts created in VISIO with Customers.
  • Developed Multiple One-time code in production to extract the required data for the Customer Needs.
  • Gathered the requirement from Onsite Team and cleared the clarifications over Meetings and do testing with different Interface teams and share the deliverable on time with Customers.
  • Worked on designing solutions, interfaces based on customer needs and as per Business continuity plan.
Mainframe Production Support Analyst, 05/2012 to 06/2014
BoeingJacksonville, FL,
  • Cummins Mainframes Applications Support and Maintenance Client Name: Cummins Inc.
  • Worked as a support Analyst and monitored Incidents in Remedy Tool.
  • Monitoring the critical Job flows and Quickly fixing the Production Job abend.
  • Handle the real time queries from Quote owners who place orders around the world.
  • Worked on production data failures and interacted with different interface application Teams to resolve the issues.
  • Providing quick fixes to the customer, when the Current application system can't handle the Production data.
  • Supported customer service request, work orders, Incidents based on the criticality within defined SLA's.
  • Provided daily support with escalated ticket resolution and liaised with business and technical leads.
System Engineer, 06/2011 to 04/2012
Tata Consultancy ServicesCity, STATE,
  • Chennai, Tamil Nadu Project Title: Mainframe Training.
  • Trained in Mainframe, COBOL, CICS, DB2, JCL, VSAM, IBM Utilities, programming concepts, Process improvement techniques.
  • Implemented the Jobs setups for migrating the IMS Legacy system to Oracle ERP and created tools to extract Data Dumps.
  • Implemented CPU reduction setups and increased the efficiency of the Overall Mainframe System.
  • Created User Documents of Current System by understanding the complete Flow of COBOL Jobs/ IMS screens.
  • Upgraded all the FTP protocols to SFTP File transfer for the Whole Mainframe system.
  • Upgraded to Utilize VSAM files instead of Oracle Tables in COBOL Batch Jobs.
  • Collaborated with team of 120 in the development of ERP Migration from IMS To Oracle.
  • Supervised team of 3 members.
Bachelor of Engineering: Geo Infomatics, Expected in 05/2011
Anna University - Guindy, Chennai,
  • Graduated with 72.5 % ( 8/10) GPA

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Resume Overview

School Attended

  • Anna University

Job Titles Held:

  • Mainframe Developer
  • Development Lead
  • Mainframe Production Support Analyst
  • System Engineer


  • Bachelor of Engineering

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