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Middleware Administrator (JBoss / WebSphere / Apache Tomcat)

Unison Group
CompanyUnison Group
CategoryOperations & Admin
LocationKuala Lumpur
RemoteOn-site (inferred)
EmploymentFull-time
LevelNot stated
SalaryNot stated by the employer
Posted25 May 2026
Last verified7 Aug 2026
SourceEmployer ATS (workable)
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Description
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