Join Airwallex: Senior Security Engineer - Insider & Fraud Threat Hunter
Airwallex is revolutionizing global finance for modern businesses. We're the unified payments and financial platform trusted by over 150,000 companies like Brex, Rippling, and SHEIN, managing everything from business accounts to embedded finance at a global scale. Backed by industry giants like Visa and Sequoia, and valued at $6.2 billion, we're building the future of finance, and we need your expertise.
Ready to protect a $200B+ payments ecosystem?
As a Senior Security Engineer specializing in insider and fraud threats, you'll be a key player in safeguarding Airwallex, our customers, and our global workforce. This isn't just a job; it's a mission to identify, investigate, and neutralize threats from both internal and external actors. You'll be challenged to:
Design and implement cutting-edge detection rules and automated response mechanisms to uncover insider and fraud risk, using behavioral analytics, anomaly detection, and custom logic.
Dive deep into user, system, and financial data to identify complex fraud tactics and potential abuse by insiders or privileged users.
Contribute insights into evolving fraud trends and trusted insider behaviors, continuously improving Airwallex's proactive security posture through learning and agile solutions.
Mentor fellow team members on advanced detection strategies, fraud taxonomy development, and the intricacies of the fraud/insider threat lifecycle.
What You'll Be Doing
Lead the creation and tuning of high-efficacy detection signatures and analytics across SIEM, EDR, DLP, and payment monitoring platforms, with a focus on both technical threats and subtle abuse scenarios.
Support critical incident response and digital forensics investigations.
Identify and mitigate risks associated with account misuse, privilege escalation, and social engineering.
Collaborate with fraud analysts, KYC operations, compliance, and the broader security team to enhance high-risk workflows (onboarding, KYC, authentication, funds movement).
Create, maintain, and operationalize detection logic for diverse insider and fraud scenarios.
Share your expertise in threat modeling and detection with the engineering team, fostering a culture of continuous learning in fraud and insider risk domains.
What You'll Bring
You're a seasoned cybersecurity professional with a passion for detecting and responding to sophisticated fraud and insider threats, ideally within a Fintech or technology-driven environment. You are:
Intellectually curious and deeply interested in insider threat frameworks, fraud prevention, the psychology of trust abuse, and organizational risk.
Adept at navigating ambiguity, identifying new data sources, and synthesizing signals from diverse platforms and logs.
Proactive in identifying abuse patterns, hypothesizing attacker behavior (internal and external), and validating theories through technical proof.
Articulate in presenting complex scenarios to stakeholders and skilled in collaborating across business, security, compliance, and engineering teams.
Minimum Qualifications
Bachelor’s degree in Computer Science, Information Security, or a related field.
7+ years of hands-on experience in security engineering or detection engineering, with a strong focus on insider threat or fraud risk (ideally in financial or high-growth technology environments).
Proven experience building, tuning, and operating detection and monitoring solutions (e.g., SIEM, EDR, DLP, user behavior analytics, and fraud detection platforms).
Expertise in designing and implementing DLP controls and correlating exfiltration techniques with insider scenarios.
Solid understanding of modern cloud-native architectures and their impact on identity, access, and monitoring.
Experience coordinating incident response and digital forensics investigations.
Preferred Qualifications
Experience within Fintech, payment, or regulated environments dealing with significant fraud or insider risk.
Strong background in digital forensics, transaction analysis, and linking forensic evidence to potential business impact.
Understanding of regulatory requirements, compliance best practices, and incident disclosure obligations for financial institutions.
Why Airwallex?
At Airwallex, you'll be part of a high-caliber, proactive Information Security Team working at the forefront of innovation. We value:
Impact: Make a real difference in protecting our global payments ecosystem.
Learning: Continuously expand your knowledge and skills in a rapidly evolving environment.
Ownership: Take ownership of your projects and contribute to critical security initiatives.
Collaboration: Work alongside exceptional teammates to solve complex challenges.
If you're ready to tackle complex, high-visibility problems and grow your career as we build the future of global banking, let's build what's next together.
Airwallex is an equal opportunity employer committed to diversity and inclusion.