Description

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

Responsibilities

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

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 solid advantage for this role.

📌 Mainframe Developer (Bengaluru)
🏢 Zensar Technologies
📍 Bengaluru