Mainframe Modernization Engineer (COBOL)

Computer Task Group, Inc • Columbus, OH

14h • Onsite

About The Position

CTG is seeking an experienced Mainframe Modernization Engineer (COBOL) to support a large-scale legacy modernization initiative. This role combines deep expertise in COBOL, CICS, and DB2 with modern Java development to migrate mission-critical applications to scalable microservices architectures.

Requirements

• 7+ years of backend or full-stack development experience.
• Strong hands-on experience with COBOL, CICS, DB2, and mainframe migration.
• Expert knowledge of Java 17+/21 and Spring Boot.
• Experience with microservices, Docker, Kubernetes, Kafka, Git, and CI/CD.
• Strong SQL, troubleshooting, and enterprise application architecture skills.
• Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

Responsibilities

• Develop, maintain, and migrate COBOL/CICS/DB2 online and batch applications.
• Design and build Java 21/Spring Boot microservices.
• Support application modernization, testing, deployment, and production support.
• Develop containerized solutions using Docker and Kubernetes.
• Implement Kafka-based messaging solutions.
• Optimize SQL performance and participate in Agile development activities.

Benefits

• competitive benefit package

What This Job Offers

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