Java/J2EE Application Support Engineer
Unison Group · Singapore
About The Role
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.
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