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Application Support Engineer

Newbridge


Job Location:

Singapore - Singapore

Monthly Salary: $ 6000 - 8000
Posted: 31 August 2026 (3 days ago)
Application Deadline: 28 November 2026
Vacancies: 1 Vacancy

Job Summary

Our client is looking for an experienced Application Support Engineer to manage and support the UAT environment for their key Payment Systems. You will be part of a collaborative team working closely with Development QA and Infrastructure teams to ensure high availability stability and smooth execution of UAT cycles. This is a critical role requiring strong ownership in environment management deployment and L2/L3 troubleshooting.

2. Key Roles & Responsibilities

A. UAT Environment & Deployment Management

  • Own the installation configuration and patching of Java-based applications in the UAT environment.
  • Perform end-to-end deployment of application releases hotfixes and scripts (Shell SQL Java).
  • Ensure environment readiness before each QA cycle and maintain deployment checklists in compliance with change management (JIRA / ServiceNow).

B. Monitoring & Stability

  • Perform daily and weekly health-checks on application logs servers (CPU Memory Disk - Linux / Solaris) Oracle DB 19c jobs and batch jobs.
  • Proactively identify performance bottlenecks and stability risks; implement proactive alerts and preventive measures.
  • Drive continuous improvement initiatives to enhance UAT availability and stability.

C. Incident Management & Troubleshooting

  • Provide L2/L3 support for UAT issues - perform detailed troubleshooting Root Cause Analysis (RCA) and provide permanent fixes.
  • Analyze Java logs heap dumps thread dumps and Oracle AWR reports for RCA.
  • Act as the central coordinator engaging Development QA DBA and Infra teams to resolve issues within SLA.

D. Automation & Documentation

  • Automate manual tasks related to monitoring health-checks and recovery to improve MTTR.
  • Create and maintain Runbooks SOPs Deployment Guides and Knowledge Base articles.
  • Ensure all RCA documents are delivered within 48 hours of incident closure.
3. Tech Stack & Skills Required
  • Programming / Debugging: Java 8/17/21 - strong in log analysis heap/thread dump analysis
  • OS & Scripting: Linux / Solaris Administration Shell Scripting
  • Database: Oracle DB 19c - SQL job monitoring AWR analysis
  • Application Servers: WebLogic / JBoss / Tomcat
  • Tools: Jenkins JIRA ServiceNow Monitoring Tools (e.g. AppDynamics Dynatrace Grafana)
  • Other: Batch job schedulers CI/CD concepts
4. Deliverables & KPIs

Deliverables:

  1. Weekly UAT Health & Stability Report
  2. Deployment Log & Release Tracking
  3. RCA Documentation (within 48h)
  4. Automated Monitoring & Auto-Recovery Scripts
  5. Maintained SOPs Runbooks & Deployment Checklists

KPIs:

  • UAT Environment Availability > 99.5%
  • MTTR < 4 Hours
  • Deployment Success Rate > 98%
  • 100% compliance on documentation and reporting timelines
5. Qualifications
  • 4-8 years of experience in Application Support UAT Support or Non-Production Environment Management.
  • Experience in Banking / Payment Systems domain is highly preferred (SWIFT MEPS FAST GIRO PayNow).
  • Strong analytical and problem-solving skills with a strong sense of ownership.
  • Excellent communication skills to manage multiple stakeholders across Dev QA and Infra.
  • Bachelors Degree in Computer Science Engineering or related field.
  • ITIL knowledge is a plus