WebSphere & API Integration Engineer

The purpose of this request is to support the client’s (B) Mainframe Operations and Application Support environment through a combined WebSphere Application Server (WAS) and API Development resource responsible for supporting enterprise middleware, API integration, HATS-based services, and application connectivity within the RRB IVR and mainframe ecosystem., The resource will serve as a WebSphere Application Server (WAS) and API Integration Subject Matter Expert responsible for, maintaining, troubleshooting, and enhancing enterprise application services, middleware components, and HATS-based API integrations running within the RRB environment., Provide administration, configuration, maintenance, and operational support for IBM WebSphere Application Server (WAS) environments Support and maintain HATS-based APIs transforming 3270/5250 mainframe applications into RESTful services Troubleshoot and resolve WebSphere, API, middleware, and integration-related issues Perform WebSphere health checks, performance analysis, tuning, and Maintain and update HATS macros, Integration Objects, RESTful service files, and related API components Support API testing, validation, troubleshooting, and regression testing using tools such as Postman Collaborate with cross-functional infrastructure, mainframe, application, and operations teams to support enterprise integrations Support integration of WebSphere and API services within the software development and deployment lifecycle Assist with DevOps, automation, and operational improvement initiatives where applicable Develop and maintain technical documentation, operational procedures, configurations, and knowledge transfer materials Participate in root cause analysis, incident resolution, change implementation, and post-implementation support activities Provide technical guidance, operational recommendations, and knowledge transfer to IBM and customer teams Support secure API and middleware practices including SSL/TLS and authentication/security integration

1. Bachelor’s degree in computer science, Information Technology, or related field
2. Minimum 5 years of experience supporting WebSphere Application Server and enterprise middleware environments
3. Minimum 5 years of experience in API development/support within enterprise environments
4. Strong knowledge of IBM WebSphere Application Server architecture, installation, configuration, administration, and troubleshooting
5. Experience with IBM Host Access Transformation Services (HATS)
6. Proficiency in Java / Java EE and RESTful API development concepts
7. Experience with API testing and documentation tools such as Postman and Swagger
8. Strong understanding of enterprise integration, middleware, distributed systems, and of enterprise integration, middleware, distributed systems, and web services
9. Experience supporting application performance tuning and operational optimization
10. Familiarity with DevOps, CI/CD, and automation concepts
11. Strong problem-solving, troubleshooting, and analytical skills
12. Strong communication and collaboration skills supporting cross-functional teams

Nice to Have Skills: Experience with Docker and Kubernetes Familiarity with API security standards (OAuth, JWT, SSL/TLS) standards (OAuth, JWT, SSL/TLS) Experience with Jenkins, Git, RAD, or other DevOps tooling Familiarity with API management platforms such as Apigee, Kong, or MuleSoft Experience supporting enterprise environments within federal or regulated industries IBM WebSphere-related certifications Experience with event-driven architectures and messaging technologies 7-10+ years overall enterprise middleware/API support experience

8:00AM to 5:00 PM (CT)

(100% - 40 hours/week)

VIVA is an equal opportunity employer. All qualified applicants have an equal opportunity for placement, and all employees have an equal opportunity to develop on the job. This means that VIVA will not discriminate against any employee or qualified applicant on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status