OS Connect API Engineer(C1​/C2

OS Connect API Engineer

The z/OS Connect API Engineer is responsible for modernizing mainframe services through API enablement using IBM z/OS Connect. This role bridges traditional CICS/COBOL systems with modern API and cloud-native architectures while enabling secure, scalable, and reusable integration capabilities.

Key Responsibilities:

• 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, OAut., OIDC, RACF, and certificate-based authentication.
• Implement CI/CD deployment pipelines using Git Hub 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.

Required Skills:

• IBM z/OS Connect REST APIs
• OpenAPI JSON/XML
• CICS COBOL DB2 RACF

Preferred

Skills:

• APIM
• Java Spring Boot
• OAut./OIDC
• Mainframe modernization programs