Mainframe Core Systems Engineer — AI-Driven Modernization

MetLife; Kampung Malaysia Tambahan; On-site; MYR 120,000 - 180,000; Full time

Job summary

MetLife is seeking a Core Systems Software Engineer to develop and maintain insurance business systems on mainframe platforms. You will help modernize development environments, while ensuring stable operations and supporting cross-team delivery across Japan, Malaysia and India.

You will design, develop, test, and maintain mainframe applications, translate requirements into specs, and drive performance improvements for batch and online processing while complying with security and regulatory

Qualifications

• Bachelor’s degree or equivalent.
• 3+ years of software development experience with preference for mainframe exposure (COBOL, JCL, DB2).
• Experience integrating mainframe solutions with modern open standards platforms.
• Experience in regulated financial industry space desirable.
• Strong problem-solving, analytical, and collaboration skills.
• Expertise in mainframe technologies (COBOL, JCL, VSAM, DB2) desirable.
• Design and tuning of batch and online processing.
• Assembler skills preferred.
• Understanding and practical experience in Agile development preferred.
• Experience using AI-assisted development tools to boost productivity.

Responsibilities

• Leverage AI-assisted development tools to improve code quality, automate testing, accelerate documentation, and support troubleshooting activities
• Identify AI-driven opportunities to enhance modernization, knowledge discovery, system analysis, and operational efficiency
• Design, develop, test, and maintain mainframe applications
• Translate business requirements into system specifications
• Improve performance of batch and online processing, handle incidents, and perform root cause analysis
• Manage application changes, create release plans, and prepare operational manuals
• Conduct technical evaluations and implementations for modernization initiatives (e.g., development tools, test automation, CI/CD)
• Ensure design and operations comply with security and regulatory requirements

Skills

Mainframe experience

Java

COBOL

JCL

DB2

AI-assisted tooling

CI/CD

Security & regulatory compliance

Education

Bachelor’s degree or equivalent

Tools

GitHub Enterprise

GitHub Copilot

GitHub Advanced Security

Azure DevOps

Azure Boards

Job description

MetLife is seeking a Core Systems Software Engineer to develop and maintain insurance business systems on mainframe platforms. You will help modernize development environments, while ensuring stable operations and supporting cross-team delivery across Japan, Malaysia and India.

You will design, develop, test, and maintain mainframe applications, translate requirements into specs, and drive performance improvements for batch and online processing while complying with security and regulatory