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 robust 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 effective 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.

Positive to Have
• Exposure to IM

📌 Mainframe Developer Bengaluru
🏢 Zensar
📍 Bengaluru