Senior Corporate Security Engineer

ABOUT AIRWALLEX Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Proudly founded in Melbourne, we have a team of over 2,200 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. If you’re ready to do the most ambitious work of your career, join us. ATTRIBUTES WE VALUE We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you’re motivated by our mission and operating principles https://www.airwallex.com/us/operating-principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero‑to‑one ideas into real products, and you “get stuff done” end-to-end. You use AI to work smarter and solve problems faster. Here, you’ll tackle complex, high‑visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let’s build what’s next. ABOUT THE TEAM Airwallex’s Information Security team partners closely with engineering, IT, and other stakeholders to protect our systems, data, and employees while enabling the business to move quickly. The team helps build and maintain strong security practices across the company—from secure product and infrastructure design to risk reduction, incident response, audits, and compliance—so security is built into how we operate, not treated as a blocker. Your role As a Senior Corporate Security Engineer, you will be a critical part of defending Airwallex’s enterprise systems and employees from threats such as malware, phishing and unauthorised access. This role is a highly technical opportunity to detect, investigate and prevent security issues across a modern corporate environment. You will work on digital forensics, incident response and tool development and deployment, protecting a range of corporate IT platforms from endpoints to identity providers. What you’ll be doing - Contribute to incident response for malware, phishing, digital forensics. - Design, develop, test, and evaluate new corporate security controls for a rapidly growing business. - Perform incident response and hunt through log sources to identify new threats. - Design and implement security alerts and workflows to support the incident response lifecycle. - Secure corporate IT infrastructure and remediate issues across identity providers, endpoints, corporate networks and other platforms. - Deploy, configure and operate security tooling with a laser focus on impact. What you’ll bring - A passion for solving the complex challenges of high-growth startups. - Self motivation and drive to learn new skills, or dive deeper into existing skills. - Bachelor's degree in Computer Science, Cybersecurity or similar. - 5+ years working in a security engineering or incident response role within a tech company. - Strong experience with Crowdstrike, Splunk or other common security monitoring tools. - In depth understanding of common attacker tools and techniques, how they can be detected and prevented, and ability to respond to incidents with high depth and quality of investigation. - Experience with GCP, Alibaba Cloud or other cloud platforms is preferred