IT Infrastructure & Security

Your tasks

Infrastructure & Reliability

• Deploy, operate and improve our Singapore cloud environment (compute, network, databases,

storage), ensuring high availability and performance for payment workloads

• Build and maintain monitoring, alerting, logging and capacity management; define and track

service level objectives

• Automate infrastructure and releases using Infrastructure-as-Code and CI/CD pipelines
• Apply change management, release review and rollback discipline to protect production

Security Operations & Compliance

• Implement and maintain security baselines, patching, endpoint protection/EDR and vulnerability

scanning; coordinate periodic penetration tests and track remediation

• Manage identity and access, including privileged access, least privilege and segregation of duties
• Operate security monitoring (SIEM) and respond to security incidents, including regular exercises

• Implement technical controls aligned with the MAS Technology Risk Management Guidelines and

Notices on Technology Risk Management and Cyber Hygiene, and with PDPA requirements

• Prepare and maintain security policies, procedures and evidence to support internal audits,

Resilience & Incident Management

• Maintain Business Continuity and Disaster Recovery arrangements and run regular recovery

tests

• Support incident escalation and regulatory incident reporting within MAS timelines

Third Parties & Collaboration

• Support due diligence and ongoing monitoring of cloud providers and other technology vendors,

in line with MAS outsourcing and third-party risk expectations

• Work with the China HQ technology team to apply group standards while meeting Singapore

requirements, and with Compliance and Risk on technology risk reviews before new features go

Requirements

Essential

• Bachelor's degree in Computer Science, Information Technology, Information Security or a

related field

• 4–6 years' experience in infrastructure, DevOps, SRE or security engineering, including running

production systems

• Hands-on experience with AWS (or an equivalent major cloud) and containerised workloads on

Kubernetes

• Experience with Terraform, Ansible or similar IaC tools and CI/CD pipelines
• Solid Linux and networking fundamentals (VPC, firewalls, load balancing, WAF) and experience

operating relational databases and Redis

• Experience with monitoring and observability tools such as Prometheus, Grafana or Datadog
• Practical security operations experience: SIEM, EDR, vulnerability management and incident

response

• Exposure to a regulated or audited environment (for example MAS TRM, ISO 27001, SOC 2 or

PCI DSS), including preparing documentation and evidence

• Fluent English and Mandarin; willingness to participate in an on-call rotation

Strongly Preferred

• Experience supporting payment systems in production, such as cross-border remittance, e

wallets, card processing or FAST/PayNow

• Prior experience at an MAS-licensed financial institution or payments company, including MAS

inspections

• Experience setting up infrastructure and controls in an early-stage or fast-growing environment

Nice to Have

• Certifications such as AWS, CKA/CKS, Security+, CISSP, CISM or OSCP

Personal Attributes

• Ownership mindset and composure under pressure
• Self-driven and comfortable working across time zones and cultures