Lead Cloud Security Engineer

Secure a multi-cloud data platform remotely from Canada, focusing on tenant isolation, compute boundaries, and high-throughput customer APIs.In this Lead application security role, you will become the first dedicated security engineer and define priorities across a growing engineering organization. Your work spans AWS, Azure, and GCP, including customer-owned cloud accounts and new regional launches. You will balance security, cost, performance, and data residency.Key Responsibilities:
Design and refine compute isolation frameworksSecure multi-region and multi-cloud backend launchesStrengthen access control granularity on public APIsDetect abuse without blocking legitimate customersFind and solve highest-leverage architecture problemsRequirements:
Production experience with APIs, distributed systems, or pipelinesSix or more years in security engineeringExperience as one of the first security hiresMulti-cloud or multi-region platform security experienceAbility to explain designs clearly under technical questioningBring backend depth and security leadership to cloud boundaries, compute isolation, API protection, and enterprise data residency requirements.
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