z/OS Connect API Engineer

Capgemini • Chicago, ND

1d • $73,150 - $174,000 • Remote

About The Position

At Capgemini, you will collaborate with cross-functional teams to deliver innovative technology solutions that drive business value and enhance client experiences. You will contribute to the design, development, and continuous improvement of scalable, high-quality solutions in a dynamic and collaborative environment.

Requirements

• IBM z/OS Connect Enterprise Edition
• REST API Development
• OpenAPI / Swagger Specifications
• JSON and XML
• CICS
• COBOL
• DB2
• RACF
• GitHub
• CI/CD Pipelines
• Git-based Version Control
• Gradle Build Automation
• API Design and Development Best Practices
• Mainframe Integration and Connectivity
• Troubleshooting and Performance Tuning
• Enterprise Security and Authentication Frameworks
• Strong understanding of mainframe application architecture and transaction processing.
• Experience exposing legacy services as modern REST APIs.
• Ability to translate business and technical requirements into scalable API solutions.
• Knowledge of enterprise security, authentication, and authorization standards.
• Familiarity with API lifecycle management and governance frameworks.
• Understanding of DevOps, release management, and automated deployment practices.

Nice To Haves

• API Management (APIM)
• Java Development
• Spring Boot
• OAuth 2.0 and OpenID Connect (OIDC)
• Enterprise Integration Patterns
• Mainframe Modernization Programs
• Cloud-native Architecture and Microservices

Responsibilities

• Design, develop, and deploy RESTful APIs using IBM z/OS Connect Enterprise Edition.
• Expose existing CICS, COBOL, and DB2 transactions as modern API services.
• Create and maintain API service definitions, request/response mappings, and YAML-based configurations.
• Develop and manage OpenAPI specifications in alignment with enterprise API standards and governance frameworks.
• Build reusable integration patterns and API accelerators to support rapid service onboarding.
• Configure and support enterprise authentication and authorization mechanisms, including JWT, OAuth 2.0, OpenID Connect (OIDC), RACF, and Certificate-based authentication.
• Ensure APIs comply with organizational security, compliance, and governance requirements.
• Design and maintain CI/CD pipelines using GitHub Actions, Gradle, and related DevOps tools.
• Automate API deployment, testing, and release management processes.
• Support integration with enterprise API management platforms and gateways.
• Troubleshoot and resolve API performance, security, configuration, and connectivity issues.
• Monitor API health, reliability, and service availability.
• Collaborate with infrastructure, middleware, and application teams to optimize service performance.
• Support enterprise mainframe modernization initiatives.
• Contribute to Shadow Service Migration and API enablement programs.
• Promote API-first and cloud-integration best practices across development teams.

Benefits

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed