Job highlights

- Experience in IBM Mainframe (z/OS) with COBOL, CICS, DB2, and JCL batch processing

- Design, code, test, and maintain batch and online applications; optimize JCL scripts; tune DB2 queries; troubleshoot production issues; collaborate in SDLC

:: Complete the Mandatory questions before applying for this role::

Key Responsibilities

- Application Development &
- Maintenance:

Design, code, test, and implement complex batch and online applications using COBOL, CICS, and DB2.

- Batch Processing: Create, modify, and optimize JCL (Job Control Language) scripts, procedures, and utilities to handle large-scale batch cycles.

- Database Management: Write, analyze, and tune complex SQL queries, stored procedures, and database objects within DB2 environments to ensure optimal database performance.

- Online Transaction Processing: Develop and maintain high-performing interactive screens and transaction flows using CICS.

- Troubleshooting &

- Support:

Analyze system abends, review dump logs, debug application errors, and provide rapid resolution for production incidents.





- Collaboration &

- Documentation:

Participate in code reviews, write technical specifications, and collaborate with cross-functional teams through the software development lifecycle (SDLC).

Mandatory Technical Skills

- Platform: IBM Mainframe (z/OS)

- Programming Language: COBOL

- Job Control: JCL and batch processing concepts

- Database: DB2 (SQL, performance tuning, data modeling)

- Online Processing: CICS (Command Level, transaction management)

Preferred Qualifications &

- Nice-to-Haves

- File Structures: Experience working with VSAM (Virtual Storage Access Method) datasets.

- Version Control &
- Tools:

Familiarity with change management tools like Endeavor, Change man, or IBM Rational Developer for Z (RDz).

- Methodologies: Experience working in Agile/Scrum development environments.

- Modernization: Exposure to mainframe modernization, API enablement, or cloud migration strategies is a robust plus.

📌 Mainframe Developer (Chengalpattu)
🏢 Tech Mahindra
📍 Chengalpattu