Job Description

Job Description

We are seeking an experienced Mainframe Developer to support and enhance mission‑critical enterprise applications. This role will involve working on high‑volume transactional systems in a z/OS environment, with a strong focus on IMS, CICS, and COBOL-based applications.

The ideal candidate will be comfortable working in both batch and online processing environments and collaborating with cross‑functional teams to deliver reliable, scalable solutions.

Key Responsibilities

• Design, develop, maintain, and enhance mainframe applications using COBOL in a z/OS environment
• Support and optimize IMS/DB and IMS/DC applications, including database design, performance tuning, and transaction processing
• Develop and maintain CICS programs, handling real‑time transaction processing and interfaces
• Create, modify, and troubleshoot JCL for batch processing, scheduling, and production support
• Perform impact analysis, debugging, and root‑cause analysis for production issues
• Collaborate with business analysts, QA teams, and system programmers to deliver high‑quality solutions
• Participate in code reviews, application modernization efforts, and system enhancements
• Ensure compliance with enterprise standards, security policies, and change management processes
• Provide documentation for technical designs, processes, and operational procedures

Required Skills

• COBOL – Strong proficiency
• z/OS – In‑depth understanding of the mainframe operating environment
• IMS Database – Expertise in IMS/DB and IMS/DC
• CICS – Strong understanding of transaction processing and programming interfaces
• JCL – Ability to write and manage batch processing scripts
• System Administration – Basic knowledge of dataset management, job scheduling, and security tasks

Must Have

• IMS/DB
• CICS
• COBOL
• JCL

Nice to Have (Optional)

• Experience with mainframe performance tuning and capacity planning
• Knowledge of DB2, VSAM, or MQ
• Exposure to mainframe modernization initiatives or integration with distributed systems
• Strong communication skills and ability to work in a regulated, production‑critical environment

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