**CTG is seeking to fill a Senior Mainframe Application Developer (COBOL / CICS / DB2) position for our client.** **Location:** Atlanta, GA **Duration:** 5 months **Duties:** + Design, develop, enhance, and maintain mission-critical mainframe applications using COBOL, CICS, and DB2. + Analyze business and technical requirements and translate them into efficient, reliable application solutions. + Develop and support CICS online transactions and batch programs using JCL. + Perform DB2 database design support, SQL development, performance tuning, and troubleshooting. + Maintain and enhance VSAM files and batch/online processing workflows. + Participate in application support activities, including debugging, root cause analysis, and production issue resolution. + Conduct code reviews and ensure adherence to coding standards, performance guidelines, and best practices. + Utilize ChangeMan or similar change management/version control tools to manage code promotions and releases. + Collaborate with cross-functional teams, including business analysts, QA, and infrastructure, to deliver high-quality solutions. **Skills:** + Strong proficiency in COBOL (COBOL II, COBOL 85, Enterprise COBOL). + Extensive experience with CICS online transaction processing. + Solid understanding of DB2 concepts, SQL, and relational database design. + Proficiency with JCL for batch job development and scheduling. + Experience working with VSAM file structures. + Working knowledge of TSO/ISPF for application development and debugging. + Experience with ChangeMan or comparable mainframe change management tools. **Experience:** + 7+ years of hands-on experience in mainframe application development. + Proven experience supporting and enhancing large-scale, high-availability mainframe systems. + Experience working in regulated or high-volume transaction environments is preferred. + Nice to have: exposure to mainframe modernization initiatives, z/OS Connect, API enablement, DevOps for mainframe, or hybrid cloud architectures. + Nice to have: familiarity with AI/ML integration concepts within mainframe environments. **Education:** + Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent professional experience. 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. For additional information, please contact **Krista Eckard** at **Krista.Eckard@ctg.com** . Kindly forward this to any other interested parties. Thank you! **About CTG** CTG, a Cegeka company, is at the forefront of digital transformation, providing IT and business solutions that accelerate project momentum and deliver desired value. Over nearly 60 years, we have earned a reputation as a faster and more reliable, results-driven partner. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. CTG leverages the expertise of over 9,000 team members in 19 countries to provide innovative solutions. Together, we operate across the Americas, Europe, and India, working in close cooperation with over 3,000 clients in many of today's highest-growth industries. For more information, visit www.ctg.com . Our culture is a direct result of the people who work at CTG, the values we hold, and the actions we take. In other words, our people define our culture. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. Part of our mission is to cultivate a workplace that attracts and develops the best people. 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.