Senior Product Security Engineer (San Francisco)

About AirwallexAirwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 250,000 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 2,300 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.Attributes We ValueWe 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 teamAirwallex’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 roleAs 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 doingPartner 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 companyIn depth experience with at least one major cloud platformStrong knowledge of common software development tools and infrastructure, including CI/CD tooling and pipelinesComprehensive 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 investigationStrong communication skills with the ability to explain technical security and software concepts to a non-technical audienceA passion for solving the complex challenges of high-growth startupsSelf motivation and drive to learn new skills, or dive deeper into existing skillsHighly DesiredBachelor's degree in Cybersecurity, Computer Science or similarRecognised training or cybersecurity certifications (eg OSCP, GIAC, CEH)Strong experience with Splunk and other common security monitoring toolsPast DevOps/SRE experience with KubernetesExperience with GCP or Alibaba Cloud (with or without certification)Experience with Okta, GSuite, and cloud-based VPN servicesExperience with Python, Java/KotlinPublished articles, journals or blogs related to cybersecurityApplicant Safety Policy: Fraud and Third-Party RecruitersTo 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.Equal opportunityAirwallex 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.Compensation Range: $160K - $250KLocationUS - San Francisco; AU - SydneyEmployment TypeFull timeLocation TypeHybridDepartmentEngineeringInformation SecurityCompensation$160K – $250K • Offers Equity • Offers BonusAirwallex promotes fair compensation practices in accordance with applicable national, federal, state, and local law.These expected base pay ranges are based on information at the time this post was generated and represent the company’s good faith minimum and maximum ranges for this role at the time of posting.The actual compensation offered to a candidate will be dependent upon multiple factors, including but not limited to relevant experience, skills and other qualifications, geographic location as noted, internal equity, and other external market factors.Certain roles may be eligible for other compensation including, but not limited to, annual bonuses, commissions, RSUs, or other forms of compensation in addition to the established salary range.Benefits vary by country and employment type in accordance with local statutory requirements. All employees receive at least the statutory minimum for paid annual leave and public holidays, with many of our locations offering additional company-provided vacation days.For example, for US-based employees, they are eligible to participate in medical, dental, and vision insurance, a 401(k) plan, short-term and long-term disability, basic life insurance, and well-being benefits. US-based employees also receive 20 paid days of vacation and 12 paid days of company holidays in a calendar year.Further details about our compensation and benefits package are available upon request by contacting our Talent Acquisition team.