Senior Developer - IBM z/OS Connect

Senior Developer – IBM z/OS Connect Our client, a leading organization in the technology and financial services sector, is seeking a dedicated and experienced Senior Developer – IBM z/OS Connect to join their dynamic team. As a Senior Developer – IBM z/OS Connect, you will be an integral part of the mainframe modernization initiatives supporting innovative digital transformation projects. The ideal candidate will demonstrate strong problem‑solving skills, effective communication, and a collaborative mindset, which will align successfully within the organization. Location Columbus, OH or Nashville, TN (both locations require on‑site presence) Responsibilities Design, develop, and deploy RESTful APIs using IBM z/OS Connect Enterprise Edition (EE). Expose mainframe assets such as CICS, IMS, COBOL, and DB2 as reusable services. Create and maintain API specifications using Swagger/OpenAPI standards. Develop and support COBOL programs and interface logic to enable API exposure. Ensure security, performance, and reliability of mainframe APIs through best practices and troubleshooting. Qualifications 7+ years of experience in z/OS mainframe development, including COBOL, JCL, and z/OS utilities. 3+ years of hands‑on experience with IBM z/OS Connect Enterprise Edition. Strong understanding of RESTful API design, JSON data formats, and API lifecycle management. Experience with CICS, IMS, DB2, and mainframe security principles such as RACF and TLS/SSL. Excellent communication skills and ability to collaborate across technical teams. Benefits Opportunity to work on cutting‑edge mainframe modernization projects. Engagement with a forward‑thinking organization committed to innovation. Collaborative environment fostering professional growth and development. Competitive on‑site work environment in Columbus or Nashville. Participation in a diverse and inclusive workplace culture. Consultant Benefits (upon completion of waiting period) Medical and Prescription Drug Plans Dental Plan Vision Plan Health Savings Account Health Flexible Spending Account Dependent Care Flexible Spending Account Supplemental Life Insurance Short Term and Long Term Disability Insurance Business Travel Insurance 401(k), Plus Match Weekly Pay #J-18808-Ljbffr ManpowerGroup Global, Inc.