Mainframe Developer

Overview:

Job Description

Must Have Technical/Functional Skills

We are seeking a skilled Mainframe and AS400 Developer to design, develop, maintain, and support enterprise applications running on mainframe and IBM AS400/iSeries platforms. The ideal candidate will have strong experience in COBOL, JCL, DB2, CL, RPG, and related legacy technologies, along with the ability to troubleshoot production issues and support business-critical systems.

Key Responsibilities

• Develop, enhance, and maintain applications on mainframe and AS400 (preferred) environments.

• Write and support programs using COBOL, JCL, DB2, CL, RPG, and related tools.

• Analyze business requirements and translate them into technical solutions.

• Perform debugging, testing, and production support for existing systems.

• Work with batch jobs, file processing, and data integration processes.

• Collaborate with business analysts, testers, and infrastructure teams.

• Support system upgrades, performance tuning, and incident resolution.

• Document technical designs, code changes, and support procedures.

Required Skills and Experience

• Strong hands-on experience with mainframe technologies.

• Proficiency in COBOL, JCL, DB2, and VSAM.

• Experience with IBM AS400/iSeries technologies preferred.

• Knowledge of batch processing, job scheduling, and file transfer processes.

• Strong troubleshooting and problem-solving skills.

• Ability to work in production support and development environments.

• Good communication and teamwork skills.