Full-time

Senior Security Engineer — Build Cloud Security from Zero

Posted by Arcadia • Toronto, ON, Canada

📍 Toronto, ON 🕒 February 24, 2026

About the Role

A fast-growing AI SaaS startup in Toronto is looking for a Senior Security Engineer to build and scale their security function. This role involves maintaining security controls across AWS and Kubernetes, leading incident investigations, and ensuring compliance as the company scales. Strong knowledge in cloud security architecture and experience with IAM are essential. The position offers a competitive salary and meaningful equity in a vibrant, innovative environment.
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