UAT Payment Systems Engineer – Application Support

NEWBRIDGE ALLIANCE PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

NEWBRIDGE ALLIANCE PTE. LTD. is seeking an experienced Application Support Engineer to manage the UAT environment for our key Payment Systems. You will collaborate closely with Development, QA and Infra teams to ensure high availability, stability and smooth execution of UAT cycles.

The role covers deployment, monitoring, incident management, automation, and documentation with strong ownership and proactive problem solving. Excellent communication across multiple stakeholders is essential.

Qualifications

• 4-8 years of experience in Application Support, UAT, 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.
• Bachelor's Degree in Computer Science, Engineering or related field.
• ITIL knowledge is a plus

Responsibilities

• Own the UAT Environment & Deployment Management including installation, configuration and patching of Java-based apps.
• Perform end-to-end deployment of releases, hotfixes, and scripts (Shell, SQL, Java).
• Ensure environment readiness before each QA cycle and maintain deployment checklists per change management.
• Perform daily/weekly health-checks on application logs, servers, Oracle DB jobs, and batch jobs.
• Proactively identify performance bottlenecks and stability risks; implement proactive alerts and preventive measures.
• Drive continuous improvement to enhance UAT availability and stability.
• Provide L2/L3 support for UAT issues; perform RCA and permanent fixes.
• Coordinate with Development, QA, DBA and Infra to resolve issues within SLA.
• Automate manual tasks related to monitoring 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.
• Maintain SOPs, Runbooks & Deployment Checklists.

Education

Bachelor's Degree in Computer Science, Engineering or related field

ITIL knowledge

Tools

Jenkins

JIRA

ServiceNow

AppDynamics

Dynatrace

Grafana

WebLogic

JBoss

Tomcat

Oracle DB 19c

Shell Scripting

CI/CD concepts

Job description

NEWBRIDGE ALLIANCE PTE. LTD. is seeking an experienced Application Support Engineer to manage the UAT environment for our key Payment Systems. You will collaborate closely with Development, QA and Infra teams to ensure high availability, stability and smooth execution of UAT cycles.

The role covers deployment, monitoring, incident management, automation, and documentation with strong ownership and proactive problem solving. Excellent communication across multiple stakeholders is essential.