[Remote] z/OS Connect API Architecture Engineer

Note: The job is a remote job and is open to candidates in USA. Confidential is seeking a z/OS Connect API Architecture Engineer to modernize mainframe services through API enablement using IBM z/OS Connect. The role involves installing and configuring z/OS Connect EE and WebSphere Liberty, developing REST APIs that expose CICS and DB2 transactions, and building secure, reusable integration capabilities. The engineer will also support API gateway integration, CI/CD pipelines, troubleshooting, and mainframe modernization initiatives.

Responsibilities

• Installation and configuration of a new IBM z/OS Connect EE and WebSphere Liberty environment from scratch
• Develop REST APIs using IBM z/OS Connect
• Expose CICS and DB2 transactions through modern API contracts
• Build and maintain API service definitions, mappings, and YAML configurations
• Develop OpenAPI specifications aligned with enterprise standards
• Configure and support JWT, OAuth2, OIDC, RACF, and certificate-based authentication
• Implement CI/CD deployment pipelines using GitHub Actions and Gradle
• Support integration with APIM as the enterprise API gateway
• Troubleshoot performance, security, and connectivity issues
• Develop onboarding templates and reusable API accelerators
• Participate in mainframe modernization initiatives and Shadow Service migration efforts

Skills

• · IBM z/OS Connect
• · REST APIs
• · OpenAPI
• · JSON/XML
• · CICS
• · COBOL
• · DB2
• · RACF
• · GitHub
• · CI/CD
• · APIM
• · Java
• · Spring Boot
• · OAuth2/OIDC
• · Mainframe modernization programs

Benefits

• Remote is also a possibility.

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