Staff Product Security Engineer (Cybersecurity)

Location: Singapore; the role is also based in San Francisco, Sydney, or Melbourne

Company

Airwallex provides a unified payments and financial platform for global businesses, combining proprietary infrastructure and software for accounts, payments, spend management, treasury, and embedded finance.

What you will do

• Create and build security controls that enable secure scaling across the organisation.
• Design and deliver security improvements for applications, software, services, networks, systems, and cloud infrastructure.
• Develop detection strategies and incident response workflows, and investigate, contain, and respond to cybersecurity incidents.
• Analyse endpoint, network, and cloud telemetry, threat intelligence, and forensic evidence to identify and mitigate threats.
• Conduct defensive operations, tactical forensics, threat hunting, vulnerability assessment, and remediation activities.
• Partner with Infrastructure, Product, Engineering, IT, and other stakeholders to embed security into new and existing services.

Requirements

• 8+ years of experience in security engineering or incident response within a technology company.
• In-depth expertise with at least one major cloud platform.
• Strong knowledge of software development infrastructure, CI/CD tooling, and pipelines.
• Deep understanding of attacker tools and techniques, including detection, prevention, and high-quality incident investigations.
• Strong communication skills for explaining technical security and software concepts to non-technical audiences.
• Self-motivation, continuous learning, and the ability to solve complex challenges in a high-growth environment.

Nice to have

• Bachelor’s degree in Cybersecurity, Computer Science, or a related field.
• Cybersecurity certifications such as OSCP, GIAC, or CEH.
• Experience with Splunk, Kubernetes, DevOps/SRE, GCP, Alibaba Cloud, Okta, GSuite, or cloud-based VPN services.
• Experience with Python or Java/Kotlin.
• Published cybersecurity articles, journal papers, or blog posts.

Culture & Benefits

• Work with Information Security, Engineering, Infrastructure, Product, and IT stakeholders to protect systems, data, and employees.
• Build security into company operations while enabling rapid business growth.
• Operate in a high-ownership environment focused on impact, curiosity, sound judgment, and continuous improvement.
• Work on complex, high-visibility cybersecurity challenges with an international technology organisation.