<p>CTG is seeking to fill a z/OS Engineer position for our client. Location: On-site 3 days per week at one of the following client offices: • Pennington, NJ • Charlotte, NC • Jacksonville, FL • Plano, TX • Chandler, AZ • Richmond, VA Duration: Ongoing contract Duties: Install, configure, and maintain IBM z/OS operating systems and associated components. Manage and optimize mainframe performance, including workload management, tuning, and in-depth troubleshooting. Implement and enforce security standards in alignment with enterprise and industry requirements. Support major mainframe infrastructure projects, upgrades, migrations, and modernization efforts. Provide SME-level technical guidance to application, infrastructure, and cross-functional engineering teams. Monitor system health to ensure high availability, operational stability, and adherence to SLAs. Create and maintain technical documentation, standards, architecture diagrams, and best practices. Collaborate closely with engineering, security, and operations teams to deliver seamless systems support. Skills: Deep technical expertise with z/OS and core mainframe components (JES2/3, RACF, SMP/E, TSO/ISPF). Strong performance tuning, capacity planning, and system analysis capabilities. Advanced troubleshooting skills for complex mainframe issues. Knowledge of DR strategies, backup technologies, and high-availability environments. Excellent problem-solving, communication, and cross-team collaboration abilities. Experience: 10+ years of hands-on experience with mainframe (MF) technologies. Extensive background in z/OS engineering, system support, performance optimization, and enterprise-level operations. Experience supporting large, complex mainframe infrastructures. Preferably non-visa-dependent candidates. Experience with modernization, automation, or DevOps tools is a plus. Additional desirable exposure: DB2, CICS, MQ, storage subsystems, or hybrid/cloud-integrated architectures. Education: Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience (preferred). 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 Tana Stilloe at Tana.Stilloe@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.</p>