WebSphere / Liberty Engineer
Core
Design, build, and maintain high-volume business logic on mainframes while refactoring legacy code to enable modern cloud and mobile application integration.
Role type
Senior Middleware Engineer (WebSphere/Liberty)
Builds
Mainframe business logic, modernized cloud-native applications, and secure middleware environments.
Domain
Enterprise Mainframe Modernization & Middleware
Deliverable
production ML models | product features | infrastructure
Required skills
IBM WebSphere Application Server (WAS), WebSphere Liberty/Open Liberty, Java (Java EE/Jakarta EE), Linux/Unix Administration, JVM Performance Tuning, SSL/LDAP/SSO Authentication, CI/CD tools (Jenkins, Git, Maven, Gradle), Shell Scripting/Python
Preferred skills
OpenShift, Kubernetes, Docker, Spring Boot, MicroProfile, Monitoring Tools (Splunk, Dynatrace, ELK, Grafana, Prometheus), Ansible, Cloud Platforms (AWS, Azure, IBM Cloud)
Technologies
WebSphere Liberty, Open Liberty, Java EE, Jakarta EE, Linux, JVM, SSL, LDAP, Jenkins, Git, Maven, Gradle, Shell, Python, OpenShift, Kubernetes, Docker, Spring Boot, MicroProfile, Splunk, Dynatrace, AppDynamics, ELK, Grafana, Prometheus, Ansible, AWS, Azure, IBM Cloud
Responsibilities
Manage Liberty runtime configuration, JVM settings, and security configs; Install, configure, and maintain WAS/Liberty environments; Provide L2/L3 support and perform root cause analysis; Monitor performance and tune JVM parameters; Support migration from Traditional WAS to Liberty; Develop automation scripts for CI/CD pipelines; Configure SSL certificates and authentication mechanisms.
Seniority
Senior, hands-on IC
