Mainframe Developer

Infosys; Chennai District, Bengaluru, Hyderabad; Hybrid; INR 1,200,000 - 1,800,000; Full time

Job summary

Infosys in Chennai is seeking an experienced Mainframe professional to design, develop, and enhance critical mainframe applications using COBOL, JCL, CICS, DB2, and VSAM. The role covers batch and online processing, incident resolution, and collaboration with business analysts to translate requirements into robust technical solutions.

You will also handle system analysis, RCA, and data management tasks, including SQL queries for DB2 and VSAM data handling.

Qualifications

• 5–9 years of experience in mainframe application development.
• Proficient in COBOL, JCL, CICS, DB2, and VSAM.
• Experience in design, development and enhancement of mainframe applications.

Responsibilities

• Design, develop and enhance mainframe applications.
• Maintain batch and online processing systems.
• Troubleshoot production incidents and perform RCA.
• Work with business analysts to translate requirements and design solutions.
• Develop and optimize SQL queries for DB2 and manage VSAM datasets.

Skills

Mainframe technologies

Batch & online processing

System analysis

Tools

COBOL

JCL

CICS

DB2

VSAM

SQL

Job description

Role: Mainframe

Experience: 5 -9 Years

Application Development

• Design, develop, and enhance applications using COBOL, JCL, CICS, DB2, VSAM, and related mainframe technologies.
• Develop and optimize batch and online processing systems.
• Review and analyze functional requirements to create technical specifications.

2. Maintenance & Production Support

• Troubleshoot production incidents, investigate abends, and provide timely resolutions.
• Perform root cause analysis (RCA) and implement permanent fixes.
• Monitor batch job performance and ensure SLA compliance.

3. System Analysis & Technical Design

• Work closely with business analysts to convert business requirements into scalable technical solutions.
• Perform impact analysis for system changes, upgrades, and enhancements.

4. Database & Data Management

• Develop and optimize SQL queries and stored procedures for DB2 databases.
• Work with VSAM datasets, file handling, and data transformation tasks.