Mainframe Developer – DBB / DB2

Tekskills Inc.; Chennai; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Tekskills Inc. in Chennai, India, seeks an experienced Mainframe Developer to maintain and enhance COBOL-based applications. You will analyze requirements, design technical solutions, and optimize batch and online processing, collaborating with analysts and QA teams.

The role involves working with DB2, CICS, and VSAM, performing testing, debugging, and production support while adhering to SDLC, Agile and Waterfall practices. Opportunity to contribute to modernization efforts.

Qualifications

• Strong experience in COBOL, JCL, DB2, CICS and VSAM.
• Hands-on Mainframe development and support.
• Experience with mainframe utilities IDCAMS, SORT, FILE-AID, XPEDITOR.
• Knowledge of SDLC, Agile and Waterfall methodologies.
• Batch processing and online transaction systems experience.

Responsibilities

• Develop, enhance, and maintain Mainframe applications.
• Analyze business requirements and prepare technical design documents.
• Develop and optimize COBOL programs.
• Create and maintain JCL for batch processing.
• Work with DB2, VSAM, and CICS applications.
• Perform unit testing, integration testing, and defect resolution.
• Troubleshoot production issues and provide timely resolutions.
• Conduct code reviews and follow development standards.
• Collaborate with business analysts, testing teams, and stakeholders.
• Support application deployment and release activities.

Skills

COBOL

JCL

DB2

CICS

VSAM

Mainframe development

Debugging

SDLC/Agile/Waterfall

Tools

IDCAMS

SORT

FILE-AID

XPEDITOR

Job description

Key Responsibilities

• Develop, enhance, and maintain Mainframe applications.
• Analyze business requirements and prepare technical design documents.
• Develop and optimize COBOL programs.
• Create and maintain JCL for batch processing.
• Work with DB2, VSAM, and CICS applications.
• Perform unit testing, integration testing, and defect resolution.
• Troubleshoot production issues and provide timely resolutions.
• Conduct code reviews and follow development standards.
• Collaborate with business analysts, testing teams, and stakeholders.
• Support application deployment and release activities.

Essential Skills

• Strong experience in COBOL, JCL, DB2, CICS, and VSAM.
• Hands-on experience with Mainframe development and support.
• Knowledge of Mainframe utilities such as IDCAMS, SORT, FILE-AID, and XPEDITOR.
• Experience with batch processing and online transaction systems.
• Strong debugging and problem-solving skills.
• Good understanding of SDLC, Agile, and Waterfall methodologies.

Preferred Skills

• Experience in BFSI domain.
• Knowledge of Endevor, Changeman, or other source control tools.
• Exposure to IMS DB/DC.
• Experience with Mainframe modernization initiatives.
• Knowledge of MQ Series and Web Services integration.