Mainframe Developer – COBOL (DB2, CICS, Modernization)

Computer Task Group, Inc • Atlanta, GA

10h • Onsite

About The Position

CTG is seeking an experienced Mainframe Developer with strong COBOL development and mainframe modernization expertise to support enterprise application development, modernization, and integration initiatives. This role involves working with legacy mainframe systems while helping drive modernization and cloud migration strategies in a complex enterprise environment.

Requirements

• Strong COBOL, JCL, and mainframe utilities experience.
• Hands-on experience with DB2, VSAM, and CICS.
• Knowledge of batch processing and scheduling tools.
• Experience with debugging, troubleshooting, and performance optimization.
• Understanding of mainframe modernization and legacy system integration.
• Exposure to APIs, JSON, microservices, Java, Kubernetes, DevOps, WebSphere, and MQ.
• Strong analytical, communication, and teamwork skills.

Nice To Haves

• Experience supporting enterprise modernization or migration projects.
• Familiarity with cloud-based or hybrid mainframe environments.
• Agile development experience preferred.

Responsibilities

• Develop, maintain, and enhance mainframe applications using COBOL, JCL, DB2, VSAM, and CICS.
• Support batch processing, job scheduling, troubleshooting, debugging, and performance tuning activities.
• Participate in mainframe modernization and cloud migration initiatives, including z-cloud and hybrid cloud environments.
• Integrate legacy applications with modern technologies including APIs, JSON, microservices, Java, WebSphere, and MQ.
• Collaborate with cross-functional teams to deliver scalable, secure, and maintainable enterprise solutions.
• Support DevOps practices, application modernization strategies, and enterprise integration efforts.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior