App Security & SRE Engineer - Payments Infrastructure

sggovterp; Singapore; On-site; SGD 120,000 - 190,000; Full time

Job summary

sggovterp in Singapore is seeking an experienced application support and SRE professional to manage MEPS+ and government securities systems within MAS. You will handle incident response, patching, and DR drills, while ensuring visibility with Grafana/ELK and strong security practices.

Key responsibilities include patch coordination, RFI responses, audit readiness, and on-call rotations. Experience in payments/financial infrastructure and regulated environments is highly valued.

Qualifications

• At least 5 years' experience in application support, operations, or site reliability engineering - preferably in payments, securities settlement, or financial infrastructure.
• Strong hands-on experience with Java/J2EE application environments, including troubleshooting and diagnosing production issues
• Proficiency in SQL for database queries and production analysis
• Experience with Linux/RHEL environments and shell scripting
• Understanding of application integration patterns, web services, and RESTful APIs
• Familiarity with monitoring and observability platforms (e.g. Grafana, ELK stack)
• Knowledge of security principles, patching procedures, and vulnerability management
• Experience responding to audit or compliance requests, and working within ICT governance frameworks
• Strong analytical and problem-solving skills with ability to diagnose complex technical issues
• Clear communicator - able to write incident reports, drill outcomes, and RFI responses for both technical and non-technical audiences
• Comfortable owning recurring processes (patching cycles, monthly drills)
• Calm under pressure and able to prioritise clearly when multiple issues surface at once
• Organised with the ability to manage multiple priorities and coordinate across teams
• Collaborative by default, but confident taking ownership of assigned areas and working independently when the situation calls for it
• Proactive problem solver who can work effectively and drive improvements within established processes
• Technical Skillset: Experience with JBoss EAP, OpenShift, or containerisation technologies (Docker, Kubernetes)
• Knowledge of CI/CD pipelines and automation tools
• Familiarity with job scheduling tools (e.g. Autosys)
• Understanding of file transfer protocols (SFTP, MQ) and interface resilience
• Experience with the S.W.I.F.T messaging platform and interfaces
• Experience in government or regulated-industry digital projects
• Relevant certifications (e.g. Java, CKAD/CKA, ITIL) are a plus

Responsibilities

• Application support & monitoring
• Monitor and maintain production application health, investigating errors, exceptions, and system alerts to ensure service availability
• Define and implement Service Level Indicators (SLIs) and Service Level Objectives (SLOs), with ongoing refinement to reduce false positives and improve signal quality
• Understand application architecture and integration points with other system components to enable effective troubleshooting
• Conduct daily operational health checks and maintain system observability using monitoring tools (e.g. Grafana, ELK stack)
• Patching & compliance
• Coordinate monthly and quarterly system patching schedules, working with infrastructure teams to verify completion of system and endpoint updates
• Document patch outcomes for governance and audit purposes
• Respond to audit Requests for Information (RFI), providing accurate and timely technical evidence
• Support application security assessments and vulnerability remediation activities
• Incident & continuity management
• Develop task lists and execute contingency drills to validate disaster recovery procedures
• Organise and conduct monthly internal incident management drills
• Participate in on-call rotation to provide timely incident response and resolution
• Participate in CyberEx exercises and implement recommended security measures
• Document incidents and contribute to post-incident reviews and continuous improvement

Skills

Java/J2EE

SQL

Linux

Shell scripting

RESTful APIs

Monitoring

Security

Audit & Compliance

CI/CD

Docker/Kubernetes

OpenShift

Autosys

Grafana/ELK

SWIFT

Tools

Jboss EAP

OpenShift

Docker

Kubernetes

Autosys

Grafana

ELK Stack

SFTP/MQ

SWIFT interfaces

Job description

sggovterp in Singapore is seeking an experienced application support and SRE professional to manage MEPS+ and government securities systems within MAS. You will handle incident response, patching, and DR drills, while ensuring visibility with Grafana/ELK and strong security practices.

Key responsibilities include patch coordination, RFI responses, audit readiness, and on-call rotations. Experience in payments/financial infrastructure and regulated environments is highly valued.