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Unison Group New Zealand

Singapore / Global

Java/J2EE Application Support Engineer

Job Description

Job Overview

We are looking for a dynamic and motivated

Java/J2EE Application Support Engineer

to join our application support team. The ideal candidate will have hands-on experience in

Java/J2EE, Unix/Linux, SQL, web applications, batch processing, and application support

. Candidates with development experience who are willing to transition into an application support role are also encouraged to apply.

The role requires strong ownership, troubleshooting skills, a willingness to learn, and the ability to work in a

24×7 shift-based support environment

, including night shifts, weekends, and public holidays.

Key Responsibilities

Provide L1/L2 application support for Java/J2EE-based enterprise applications

Monitor applications, batch jobs, interfaces, and system processes

Analyze and troubleshoot application issues using Java logs, Unix/Linux commands, and SQL queries

Perform incident investigation, root-cause analysis, and resolution within defined SLAs

Support web applications and batch processing environments

Work with JBOSS application servers, MariaDB/SQL databases, Shell scripts, and related middleware

Execute SQL queries for data validation, investigation, and troubleshooting

Monitor and support scheduled jobs and batch processes

Support MQ setup/configuration and Connect:Direct (C:D) processes where required

Coordinate with development, infrastructure, database, middleware, and business teams to resolve production issues

Ensure timely communication and escalation of critical incidents

Follow ITIL/application support processes and maintain proper incident and problem-management documentation

Participate in application deployments, production releases, and post-release validation

Take ownership of assigned incidents and ensure timely resolution without compromising quality

Continuously learn new technologies, applications, and banking processes

Required Technical Skills

Hands-on experience with Java/J2EE applications

Minimum 1 year of application support experience; Java developers with strong technical fundamentals and willingness to move into support are also considered

Good knowledge of Java/J2EE programming

Hands-on experience with Unix/Linux commands

Good understanding of SQL queries and database troubleshooting

Knowledge of:

Web applications

Batch jobs

JBOSS

MariaDB

SQL

Shell scripting

Job scheduling

Exposure to MQ setup is an advantage

Experience with Connect:Direct (C:D) is an advantage

Banking/financial services domain experience is an added advantage

Preferred Experience

1-5 years

of relevant experience in Java/J2EE application support, production support, or Java development with strong willingness to transition into application support.

Apply Now

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