Mainframe Developer

Job Description – Mainframe Developer

Primary Skills (Required Skills)

REXX

COBOL , JCL , CLIST

Desired Skills: DB2, CICS

We are seeking an experienced Mainframe Developer with strong hands-on expertise across the

z/OS ecosystem. The ideal candidate will have solid experience in CICS Online transaction

processing, COBOL application development, and JCL for batch job scheduling and workflow

management. Proficiency in DB2 , including query writing and optimization using Topaz , is required.

Working knowledge of REXX scripting for automation, Easytrieve for report generation and data

extraction, and exposure to zAPIs for mainframe integration with modern applications is highly

desirable.

Key Responsibilities:

∙Design, develop, test, and maintain mainframe applications using COBOL, CICS, and JCL

∙Write and optimize DB2 queries using Topaz for Program Analysis/Query tools

∙Develop automation scripts using REXX to streamline operational tasks

∙Build and maintain Easytrieve programs for data reporting and extraction

∙Work with zAPIs to enable integration between mainframe systems and external/modern

platforms

∙Debug, troubleshoot, and resolve production issues in a timely manner

∙Collaborate with cross-functional teams to support enhancements and new development

Required Skills:

CICS Online COBOL JCL DB2 (Topaz) REXX Easytrieve zAPIs