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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.
Location: Columbus, OH
Duration: 12 months
Key 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.

Required Qualifications:

• 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.

Education:

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• Equivalent combination of education and relevant professional experience may be considered.

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.
CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.
To Apply:
To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you!
The expected base salary for this position ranges from $45.00 to $50.00/hour. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered.
About CTG
CTG, a Cegeka company, delivers IT and business solutions that enhance clients' digital agility, empowering them to seize new opportunities and overcome any challenge. Backed by more than 60 years' experience and a commitment to being a reliable, results-driven partner, we work shoulder to shoulder with clients to shape digital together. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. With more than 9,000 team members in over 15 countries, we combine global expertise with local insight to deliver innovative solutions. We operate across the Americas, Europe, and India, working with over 3,000 clients in many of today's highest-growth industries.
Together, we shape what's next-working shoulder to shoulder to deliver impactful solutions for our clients and society. Our culture is built by the people who work at CTG, the values we hold, and the actions we take. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. At CTG, you'll find a workplace where you are encouraged to grow, supported in your ambitions, and empowered to shape your own career journey. For more information, visit www.ctg.com.
CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws.
CTG is an Equal Opportunity Employer. CTG will assure equal opportunity and consideration to all applicants and employees in recruitment, selection, placement, training, benefits, compensation, promotion, transfer, and release of individuals without regard to race, creed, religion, color, national origin, sex, sexual orientation, gender identity and gender expression, age, disability, marital or veteran status, citizenship status, or any other discriminatory factors as required by law. CTG is fully committed to promoting employment opportunities for members of protected classes.