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Zensar Technologies

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Mainframe Developer

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Summary

A mainframe developer at Zensar Technologies in Bangalore who builds, maintains, and supports enterprise mainframe applications using COBOL, DB2, JCL, and VSAM. The role covers batch/online development, DB2 SQL programming, production support, troubleshooting, and performance tuning.

Job Summary

We are seeking a skilled and motivated Mainframe Developer with 5 to 6 years of hands-on experience in developing, maintaining, and supporting enterprise mainframe applications. The ideal candidate should have strong expertise in COBOL, DB2, JCL, and VSAM, with a solid understanding of mainframe development life cycles, production support, and troubleshooting. Exposure to IMS DB/DC is highly desirable and will be considered an added advantage.


Key Responsibilities

  • Analyze business requirements and translate them into technical design and development solutions.
  • Develop, enhance, test, and maintain mainframe applications using COBOL, DB2, JCL, and VSAM.
  • Design and develop efficient DB2 SQL queries, stored procedures, and database access modules.
  • Create and modify batch jobs, job streams, and utilities using JCL.
  • Develop and maintain VSAM files, file processing programs, and data conversion utilities.
  • Perform unit testing, integration testing, and support User Acceptance Testing (UAT).
  • Investigate and resolve production issues, including performance tuning and root cause analysis.
  • Participate in code reviews and ensure adherence to coding standards and best practices.
  • Prepare technical documentation, program specifications, and operational procedures.
  • Support application modernization and transformation initiatives where applicable.

Required Technical Skills

Mandatory Skills

  • Strong hands-on experience in:
    • COBOL
    • DB2
    • JCL
    • VSAM
  • Experience in developing and supporting batch and online mainframe applications.
  • Proficiency in DB2 SQL programming, query optimization, and database design concepts.
  • Good understanding of file processing, debugging, and performance tuning.
  • Experience with Endevor, Changeman, ISPW, or similar source control/version management tools.
  • Knowledge of Mainframe Utilities such as SORT, IDCAMS, IEBGENER, and DFSORT.
  • Experience in production support and incident management.

Good to Have

  • Exposure to IMS DB and/or IMS DC.
  • Experience with CICS development.
  • Knowledge of MQ Series integration.
  • Exposure to Agile/Scrum methodologies.

Familiarity with mainframe modernization or cloud integration initiatives

Key Responsibilities

  • Analyze business requirements and translate them into technical design and development solutions.
  • Develop, enhance, test, and maintain mainframe applications using COBOL, DB2, JCL, and VSAM.
  • Design and develop efficient DB2 SQL queries, stored procedures, and database access modules.
  • Create and modify batch jobs, job streams, and utilities using JCL.
  • Develop and maintain VSAM files, file processing programs, and data conversion utilities.
  • Perform unit testing, integration testing, and support User Acceptance Testing (UAT).
  • Investigate and resolve production issues, including performance tuning and root cause analysis.
  • Participate in code reviews and ensure adherence to coding standards and best practices.
  • Prepare technical documentation, program specifications, and operational procedures.
  • Support application modernization and transformation initiatives where applicable.

Qualifications

  • 5 to 6 years of relevant experience in Mainframe Application Development and Support.

Required Competencies

  • Strong analytical and problem-solving skills.
  • Excellent debugging and troubleshooting abilities.
  • Good communication and stakeholder management skills.
  • Ability to work independently as well as in a collaborative team environment.

IMS DB/DC knowledge will be considered a strong advantage for this role.

Skills

See also

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