Application Support Engineer (L2/L3 Support, JBoss, Banking Domain, Control-M, Disaster Recovery)

EXASOFT PTE. LTD.; Singapore; Presencial; SGD 70.000 - 110.000; Tempo integral

Resumo da vaga

EXASOFT PTE. LTD. is seeking an experienced Application Support Engineer to provide L2/L3 support for banking and enterprise apps, across production and non-production environments.

You will perform maintenance, enhancements and functional testing, with a focus on rapid incident resolution. You will investigate incidents, conduct RCA, and collaborate with clients and technical teams. Strong experience with Oracle, AppDynamics, Control-M, and JBoss/WebSphere is required, along with scripting and

Qualificações

• 6+ years in application and production support, incl. 2+ years hands-on.
• Hands-on Linux, AIX, UNIX including Shell Scripting.
• Strong incident and problem management, troubleshooting and RCA.
• Experience with Oracle databases and SQL for data investigations.
• AppDynamics for monitoring and Control-M for job scheduling.
• JBoss and WebSphere knowledge for app maintenance.
• Banking application support, DR and failover exposure.
• Jira ticket management and client coordination.

Responsabilidades

• Provide L2/L3 application and production support for banking and enterprise apps across prod and non-prod environments, including maintenance and testing.
• Investigate and resolve production incidents with technical troubleshooting and RCA.
• Perform database investigations and data validation using Oracle and SQL.
• Monitor performance with AppDynamics and manage batch operations via Control-M.
• Support server maintenance for JBoss and WebSphere and coordinate fixes.
• Assist in DR exercises, failover operations and restoration tasks.
• Perform system-level troubleshooting and automation using Linux/UNIX shells.
• Manage Jira tickets, prioritize incidents, coordinate with clients and teams, and document resolutions.

Conhecimentos

Linux

AIX

UNIX

Shell Scripting

Oracle

SQL

Incident management

Problem management

Disaster recovery

DR

Jira

Documentation

Ferramentas

AppDynamics

Control-M

JBoss

WebSphere

Jira

Descrição da vaga

Responsibilities:

• Provide L2/L3 application and production support for banking and enterprise applications across production and non-production environments, including application maintenance, enhancements, and functional testing.
• Investigate and resolve production incidents through technical troubleshooting, application log analysis, and root cause analysis (RCA) to minimise recurring issues.
• Perform database investigations and data validation using Oracle databases and SQL queries to identify and resolve application-related issues.
• Monitor application performance using AppDynamics and manage scheduled jobs and batch operations through Control-M.
• Support application server maintenance and troubleshooting, including JBoss and WebSphere, along with application changes and defect resolution.
• Assist in disaster recovery (DR) exercises, failover operations, and application restoration activities to maintain business continuity.
• Perform system-level troubleshooting and operational automation using Linux, AIX, UNIX, and Shell Scripting.
• Manage Jira support tickets, prioritise incidents based on severity, coordinate with clients and technical teams, and maintain technical documentation for timely issue resolution.

Requirements:

• 6+ years of overall experience in application and production support, including at least 2 years of hands‑on application support experience and 2+ years in the banking domain.
• Hands‑on experience with Linux, AIX, and UNIX operating systems, including Shell Scripting for system troubleshooting and operational automation.
• Strong experience in incident and problem management, technical troubleshooting, application log analysis, and root cause analysis (RCA).
• Hands‑on experience with Oracle databases, SQL queries, database investigations, and SQL performance tuning.
• Experience with AppDynamics for application performance monitoring and Control-M for job scheduling and batch processing.
• Strong experience in JBoss application server administration and working knowledge of WebSphere for application maintenance and troubleshooting.
• Experience in banking application support, application enhancements, functional testing, disaster recovery (DR), and failover operations.
• Hands‑on experience with Jira ticket management, change implementation, SLA management, client coordination, and technical documentation.