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Senior Mainframe Developer Resume

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Reston, VA

SUMMARY

  • 5 yrs of Experience in the Information Technology Industry. Worked on all phases of Software development life cycle including Analysis, Design, Development, Testing, Implementation and Documentation.
  • Experienced in developing applications using COBOL, JCL, DB2, MVS, OS/390, Z/OS, TSO/ISPF, VSAM, XPEDITOR, CHANGEMAN, and FILE - AID.
  • Strong experience on IBM Mainframes.
  • Extensive experience with Changeman, FileAid, Xpediter, QMF, SPUFI, Mercury Quality Center and Jobtrac.
  • Ability to work on multiple projects.
  • Have extensively involved in the development of new programs and enhancement the existing programs.
  • Good experience in preparing Requirement Analysis, Functional Specification, Design document and Program Specification.
  • Good experience in all phases of systems life cycle Development, Testing (Unit test, System test, Integration Testing and Regression Testing) and Pre Production support.
  • Highly motivated team player with excellent communication, presentation and inter personal skills, given an opportunity willing to work in a challenging and cross platform environments.
  • Experienced to DB2 Utilities..

TECHNICAL SKILLS

Languages: COBOL, JCL, SQL

Databases: DB2, IMS DB and VSAM

Utilities: File-Aid, QMF, TSO/ISPF,SPUFI

Tools: Changeman, Xpeditor, Mercury Quality Center.

Hardware: ES OS/390, Z/OS, IBM PC FAMILY.

Operating Systems: MVS, Windows NT/98/2000/XP, Vista

PROFESSIONAL EXPERIENCE

Confidential, Reston, VA

Senior Mainframe developer

Responsibilities:

  • Worked in the project at various stages of SDLC -- requirements analysis, design, Coding, Programming, Implementation, Unit testing, Integration testing, support to Quality Assurance, User Acceptance testing & post-implementation support.
  • Involved in development and testing of processing programs.
  • Formulated and documented the test plans and project plans
  • Created test results after system integration testing
  • Worked with quality assurance team to make sure the project adheres to standards.
  • Resolved the defects raised and had a follow-up in quality center.
  • Involved in preparation of Implementation plan for moving the newly developed components to production.
  • Involved in preparation of JCL documentation which includes instructions to set up the jobs and execution of jobs in System test environment.
  • Coordinated production implementation of completed projects.
  • Created Knowledge sharing documents for transition.
  • Prepared Work Effort estimations for on time delivery of the project.

Environment: COBOL, DB2, IMS DB, JCL, SPUFI, Changeman

Confidential

Mainframe developer

Responsibilities:

  • Performed initial analysis to identify all fields and played an instrumental role in creating data mapping.
  • Performed GAP analysis on current system and documented recommended approach. Worked as part of a team to analyze validity of process flows for future enhancements and documented test scenarios.
  • Preparation in developing, maintaining and migration into the test region of the JCL’s, procedures and programs libraries using Changeman as Configuration tool.
  • DB2 database extraction was done using FILE-AID and modified for testing.
  • Actively used SPUFI, QMF, FILEAID, and MVS Utilities.
  • Created and modified test and production JCLs/Procs/Parms and provided on-going support.
  • Analysis, design and construction/coding of batch programs
  • Participated in test data and test case preparation and unit testing, test results documentation, review and UAT support.
  • Created Implementation plan document.
  • Responsible for migrating software code deliverables and technical solutions through the development, test and production environments.
  • Involved in regression testing phase for the changes developed.
  • Conducted Beta testing to validate the files.
  • Provided the resolutions for the queries raised by the business users.
  • Coordinated and assisted junior level with analysis, programming problems and debugging.
  • Presentation about the new enhancement to the clients for formal sign off.

Environment: COBOL, IMS DB, DB2, JCL, Changeman, IBM OS/390, File Aid, Expediter, TSO/ISPF

Confidential

Mainframe developer

Responsibilities:

  • Identified, analyzed the business requirements and processes for new development.
  • Preparing Technical Specification Documents and responsible for coding the programs according to client standards.
  • Used IDCAMS to define and generate GDG’s.
  • Preparing checklist & development tracker in order to maintain consistency and quality
  • Developed new programs and modified existing programs using COBOL, JCL and VSAM.
  • Preparation of test data, test cases, test reports, regression testing and participating in test review meetings with QA team on weekly basis.
  • Performed Unit testing and integration testing for the modules coded and support QA testing.
  • Involved in code reviews and also conducted code walk thru’s with the Production support team.
  • Responsible for resolving IR’s which will be raised by QA team while testing new functionalities that were added to the system.
  • Responsible for resolving tickets and change requests which will be logged by the customers.
  • Involved in documentation for the customer deliverables and also prepared user documentation.

Environment: COBOL, DB2,IMS DB, JCL, SPUFI, Changeman

Confidential

Mainframe developer

Responsibilities:

  • Involved meeting with business analysts to gather their requirements and implement them in the system.
  • Developed the Technical Specification documents.
  • Analysis, Design, Development, Testing and Implementation of the new functionalities.
  • Involved in code reviews.
  • Preparation of unit test cases, test data, test reports and test reviews.
  • Weekly project status meeting with Client and maintaining MOM on every call.
  • Support during User Acceptance Testing.

Environment: COBOL, IMS DB, JCL, Changeman.

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