Senior Product Security Engineer

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 200000 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 2200 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.

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. 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 Security Engineer at Airwallex you will be a trusted member of the Information Security team and work closely with Infrastructure Product and Engineering teams across the business.

Reporting directly to the Product Security Engineering Manager this role will see you being a critical part of Airwallex helping to identify protect detect respond and recover the organisation from cybersecurity threats.

This is a dynamic and hands-on role that requires experience in designing developing and managing infrastructure projects processes and standards related to the security of our networks systems and applications.

What you’ll be doing

• Partner with other teams within Airwallex to analyse new or existing applications software or services and help drive security improvements.

• Design develop test and evaluate new security controls for a rapidly growing business.

• Perform incident response and hunt through log sources to identify new threats.

• Design and implement custom detection strategies and workflows to support the incident response lifecycle.

• Analyse and develop integration testing operations and maintenance of secure systems.

• Use data collected from a variety of endpoint network and cloud tools (e.g. EDR authentication firewalls network traffic logs) to analyse identify and mitigate threats.

• Design test implement deploy and maintain cybersecurity infrastructure projects.

• Investigate analyse and respond to cybersecurity incidents within the Airwallex environment.

• Perform assessments of systems and networks to identify deviations in configurations and policies identify vulnerabilities and support suitable mitigation and remediation.

• Conduct collection processing and/or geolocation of threats in order to exploit locate and/or track cybersecurity threats infrastructure.

• Perform network navigation tactical forensic analysis and defensive operations.

• Identify collect examine and preserve digital forensic evidence using analytical and investigative techniques.

Minimum Qualifications (must-have)

• 5+ years working in a security engineering or incident response role within a tech company

• In depth experience with at least one major cloud platform

• Strong knowledge of common software development tools and infrastructure including CI/CD tooling and pipelines

• Comprehensive 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

• Strong communication skills with the ability to explain technical security and software concepts to a non-technical audience

• 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

Highly Desired

• Bachelor's degree in Cybersecurity Computer Science or similar

• Recognised training or cybersecurity certifications (eg OSCP GIAC CEH)

• Strong experience with Splunk and other common security monitoring tools

• Past DevOps/SRE experience with Kubernetes

• Experience with GCP or Alibaba Cloud (with or without certification)

• Experience with Okta GSuite and cloud-based VPN services

• Experience with Python Java/Kotlin

• Published articles journals or blogs related to cybersecurity

To protect you from recruitment scams please be aware that Airwallex will not ask for bank details sensitive ID numbers (i.e. passport) or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page.

Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition regardless of any other provision to the contrary.

Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit qualifications competence and talent. We don’t regard color religion race national origin sexual orientation ancestry citizenship sex marital or family status disability gender or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation please let us know.

What We Do

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 250000+ 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 2300 of the brightest and most innovative people in tech across 27 offices around the globe. Valued at US$11 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.

Why Work With Us

Airwallex was founded by people told their idea was unreasonable and we've hired that way ever since. We move fast think globally and give you ownership from day one. If you want to pioneer global finance at scale alongside the ambitious let's talk.

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