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unisongroup·2 months ago

Middleware Administrator (JBoss / WebSphere / Apache Tomcat)

Kuala Lumpur, MalaysiaFull-timeMid · 2-5 yearsH1B likely

About this role

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