Unison Group

Builds financial risk and compliance systems

Middleware Administrator - JBoss / WebSphere / Apache Tomcat

DevOps & InfrastructureConfirmed live in the last 24 hours

Full-timeKuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia$6k - $10kIn-person

About the Job

Requirements

Experience administering middleware platforms, including JBoss Enterprise Application Platform, IBM WebSphere Application Server, and Apache Tomcat.
Knowledge of Java EE architecture.
Knowledge of JVM tuning, including heap and garbage-collection tuning.
Experience with WAR and EAR deployments, thread dumps, and heap dumps.
Application performance troubleshooting.

Responsibilities

Install, configure, and administer middleware servers.
Deploy Java enterprise applications in WAR, EAR, and JAR formats.
Configure and manage JBoss domains and 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.
Install SSL certificates.
Support production incidents and conduct root cause analysis.
Create deployment and operational documentation.

Middleware Administrator (JBoss / WebSphere / Apache Tomcat)

Unison Group · Kuala Lumpur, Malaysia · Full-time · Posted 2026-05-25

Salary: unknown currency 6,000–10,000

Workplace: on_site

Department: Noresh

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

Apply

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About the Company

Unison Group

Builds financial risk and compliance systems

Unison Group builds technology systems for financial institutions that need to manage risk, meet reporting rules and modernize their operations. Its consultants work across liquidity, market and credit risk, combining financial knowledge with software implementation and data analysis. The business also designs cloud infrastructure and develops custom applications, connecting these systems with the information and processes clients already use. It earns money through consulting, technology implementation and engineering services for enterprises, with work ranging from system design to deployment. Founded as Unison Consulting in 2012, the group is headquartered in Singapore.

Company size: 201-500
Company stage: Not listed
Total funding: Not listed
Headquarters: Not listed
Founded: 2012

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