Senior Security Engineer

Senior Security Engineer – Trust & Safety (Remote ANZ) We are redefining how the world experiences design. Thanks for stopping by. Where And How You Can Work Our flagship campus is in Sydney. We also have a campus in Melbourne and co‑working spaces in Brisbane, Perth and Adelaide. But you have choice in where and how you work. That means if you want to do your thing in the office (if you’re near one), at home or a bit of both, it’s up to you. What You’d Be Doing In This Role Lead proactive investigations into account takeovers, coordinated account abuse, bot activity, and emerging threats targeting account integrity. Collaborate on defining and implementing metrics (e.g. ATO rates, detection efficacy, false positives) that help quantify risk posture and guide abuse mitigation strategies. Develop threat detection alerts, anomaly signals, and logging strategies to enable early abuse identification. Collaborate across engineering, product, and operations to shape end‑to‑end mitigations and recommend scalable controls. Partner with analytics engineers to ensure threat metrics are reliable, visible, and segment‑able across user tiers and abuse methods. Drive post‑incident reviews, support threat modeling for new features, and maintain knowledge bases for common and novel attack vectors. Contribute to T&S tooling and platform development for fraud / abuse detection and mitigation. You're probably a match if You have 5+ years of experience in security engineering, abuse prevention, or Trust & Safety, with a proven record of impact. You demonstrate the ability to conduct deep‑dive investigations and distill complex threat findings into clear, stakeholder‑aligned insights. You are familiar with product telemetry, detection signals, and the design of abuse‑resilient systems. You are comfortable writing and reviewing code in languages such as Python, Java, or equivalent. You exercise strong judgment and autonomy in navigating uncertainty, with a track record of influencing strategic decisions through security investigations. You bring strong technical skills in SQL, log analysis, metrics definition, and basic statistical reasoning. You may have bonus experience working closely with data scientists, analytics engineers, or in fraud / risk analytics contexts. You have hands‑on experience using AI in your work to drive greater impact. About The Team The Trust & Safety (T&S) Group vision is to make Canva the world’s most trusted company for safe design. As a Senior Security Engineer focused on Account Integrity and Abuse Intelligence, you’ll lead investigations, design detection strategies, and build scalable, data‑driven defenses against evolving threats. What’s In It For You? We offer a stack of benefits to set you up for every success in and outside of work. Equity packages – we want our success to be yours too. Inclusive parental leave policy that supports all parents & carers. An annual Vibe & Thrive allowance to support your wellbeing, social connection, office setup & more. Flexible leave options that empower you to be a force for good, take time to recharge and support you personally. Other Stuff To Know We see AI as a powerful amplifier of creativity and technology at Canva. In some interviews, you may also be asked to solve a problem using an AI tool to show how you approach challenges with tech by your side. Your recruitment partner will walk you through what to expect. We make hiring decisions based on your experience, skills and passion, as well as how you can enhance Canva and our culture. Please note that interviews are conducted virtually. #J-18808-Ljbffr