Senior IBM z/OS Connect Administrator / Developer
ITTConnect
Senior IBM z/OS Connect Administrator / Developer ITTConnect is seeking a Senior IBM z/OS Connect Administrator / Developer to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in consulting, digital transformation, technology and engineering services with over 300,000 team members in nearly 50 countries. The end client is in the Utilities sector. Job location: Columbus, OH (on site work). Relocation OK. This person will design, implement, and support enterprise-grade API enablement solutions on IBM Mainframe. The ideal candidate should have strong expertise in z/OS Connect EE administration, CICS integration, high availability architecture, security, and REST API implementation. Key Responsibilities: Install, configure, upgrade, and administer IBM z/OS Connect EE environments. Design and implement High Availability (HA) deployments across multiple LPARs and multiple z/OS Connect instances. Configure and support z/OS Connect integration with CICS regions, CICSPlex, and other mainframe assets. Design and implement HA and failover strategies for z/OS Connect and CICS environments. Develop, deploy, and manage REST APIs exposing CICS and other mainframe transactions. Configure and support RACF-based authentication and authorization. Implement JWT, TLS/SSL, and enterprise security controls for API access. Troubleshoot performance, connectivity, and production issues across z/OS Connect, CICS, RACF, and networking layers. Collaborate with Mainframe, Security, Infrastructure, and API Management teams. Requirements: 5+ years of experience with IBM z/OS Connect EE. Strong hands-on experience with: IBM z/OS z/OS Connect EE IBM CICS Transaction Server RACF REST APIs / JSON JWT and OAuth2 Authentication TLS/SSL Security DevOps and CI/CD automation CICSPlex SM and Sysplex environments. Experience configuring multi-instance and multi-LPAR HA architectures. Experience exposing CICS transactions as REST APIs. Strong troubleshooting and production support skills. Experience with Liberty Server administration. ITTConnect
Vacancy posted 2 days ago
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