Middleware Administrator (JBoss / WebSphere / Apache Tomcat)
Unison Group · Kuala Lumpur
Job Summary
We are looking for an experienced Middleware Administrator to manage enterprise application server environments including JBoss Enterprise Application Platform, IBM WebSphere Application Server, and Apache Tomcat.
The role involves installation, configuration, deployment, performance tuning, troubleshooting, and ongoing administration of enterprise middleware platforms.
Key Responsibilities
- Install, configure, and administer middleware servers
- Deploy Java enterprise applications (WAR/EAR/JAR)
- Configure and manage JBoss domains/standalone servers
- Manage WebSphere application server environments
- Configure Apache Tomcat instances and connectors
- Monitor server performance and troubleshoot issues
- Perform JVM tuning and memory optimization
- Manage server patching and upgrades
- Configure clustering and high availability
- Handle SSL certificate installation
- Support production incidents and root cause analysis
- Create deployment and operational documentation
Technical Skills Required
Middleware Platforms
- JBoss Enterprise Application Platform
- IBM WebSphere Application Server
- Apache Tomcat
Core Technical Knowledge
- Java EE architecture
- JVM tuning (Heap, GC tuning)
- WAR / EAR deployment
- Thread dumps / Heap dumps
- Application performance troubleshooting