Senior Mainframe Engineer – COBOL/DB2 Expert

Tata Consultancy Services; Philippines; On-site; PHP 1,000,000 - 1,400,000; Full time

Job summary

Tata Consultancy Services in the Philippines seeks a Technical Lead with deep mainframe expertise to drive delivery of COBOL-based applications. You will lead design, development and support across batch and online processing, ensuring high performance and reliability within an agile team.

You will collaborate with clients and stakeholders to modernize legacy systems, integrate with distributed platforms, and contribute to CI/CD and DevOps initiatives.

Qualifications

• 6+ years of hands-on experience in mainframe development using COBOL, JCL, VSAM, IMS, and DB2.
• Strong understanding of batch processing, online transaction systems, and data structures.
• Experience in debugging, performance tuning, and production support.
• Familiarity with Agile methodologies and CI/CD practices.

Responsibilities

• Serve as a core member of an agile engineering team to design, develop, and maintain mainframe applications.
• Develop and enhance programs using COBOL, JCL, VSAM, IMS, and DB2.
• Write, test, and debug batch and online programs, ensuring high performance and reliability.
• Perform code reviews, unit testing, and support system integration and user acceptance testing.
• Analyze and resolve production issues, ensuring minimal disruption to business operations.
• Optimize existing applications through refactoring and performance tuning.
• Collaborate with product owners and stakeholders to prioritize features and enhancements.
• Support deployment and monitoring across development, test, and production environments.
• Contribute to modernization initiatives and integration with distributed systems.

Skills

Mainframe development

COBOL

JCL

VSAM

IMS

DB2

Agile methodologies

CI/CD

Batch processing

Job description

Tata Consultancy Services in the Philippines seeks a Technical Lead with deep mainframe expertise to drive delivery of COBOL-based applications. You will lead design, development and support across batch and online processing, ensuring high performance and reliability within an agile team.

You will collaborate with clients and stakeholders to modernize legacy systems, integrate with distributed platforms, and contribute to CI/CD and DevOps initiatives.