Job Description
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Role Name: OS Connect API Engineer(C1/C2)_Onshore
Work site: Columbus, US (Onsite)
Start date: Immediate availability.
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, 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.
Required Skills
IBM z/OS Connect
REST APIs
OpenAPI
JSON/XML
CICS
COBOL
DB2
RACF
GitHub
CI/CD
Preferred Skills
APIM
Java
Spring Boot
OAuth2/OIDC
Mainframe modernization programs
BM z/OS Connect
Role Name: OS Connect API Engineer(C1/C2)_Onshore
Work site: Columbus, US (Onsite)
Start date: Immediate availability.
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, 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.
Required Skills
IBM z/OS Connect
REST APIs
OpenAPI
JSON/XML
CICS
COBOL
DB2
RACF
GitHub
CI/CD
Preferred Skills
APIM
Java
Spring Boot
OAuth2/OIDC
Mainframe modernization programs
BM z/OS Connect
Numbers & Facts
| Location | Columbus, OH |
| Industry | Computer/IT Services |
| Salary | $65–$70 Per Hour |
| Company Size | 500 to 999 employees |
| Website | https://www.apolisrises.com/ |
Benefits
Paid Sick Days, Employee Referral Program, Employee Events, Retirement / Pension Plans
About Company
Since 1996, RJT has provided successful SAP, Oracle, and IT consulting solutions and staffing services to clients around the world. The new Apolis brings you the same personalized service fortified with a greater array of IT solutions, global expertise, and cost-management strategies.
We are a global IT consultancy that seamlessly integrates experts and leading-edge solutions into your organization so you can focus on what really matters.
Skills
- Application Programming Interface (API)unmatched
- Authenticationunmatched
- Cloud Architectureunmatched
- Cobol Programming Languageunmatched
- Continuous Deployment/Deliveryunmatched
- Continuous Integrationunmatched
- GitHubunmatched
- Gradleunmatched
- IBM CICS (Customer Information Control System)unmatched
- IBM DB2unmatched
- IBM z-OS Operating Systemunmatched
- Identify Issuesunmatched
- Mainframe Computerunmatched
- OAuthunmatched
- Onboardingunmatched
- RACF (Resource Access Control Facility)unmatched
- REST (Representational State Transfer)unmatched
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