OS Connect API Engineer(C1/C2)

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

Role Name: OS Connect API Engineer(C1/C2)
Work site: Columbus, US (Onsite)

Role Summary
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 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.
Required Skills
IBM z/OS Connect
REST APIs
OpenAPI
JSON/XML
CICS
COBOL
DB2
RACF
GitHub
CI/CD
Preferred Skills
APIM
Java
Spring Boot
OAut./OIDC
Mainframe modernization programs