Senior Platform Security Engineer – AI-First

Company: Harmonic Security
Apply for the Senior Platform Security Engineer – AI-First
Location: London
Job Description:

Harmonic Security is seeking a Senior Software Security Engineer to own our platform security architecture and write the code that embodies secure design. You will shape authentication, encryption, secrets management, and multi-tenant isolation, while extending patterns across the core platform.

This is hands-on work in a fast-moving environment. You will collaborate with the platform team, manage your security backlog, and run threat modeling to ensure security is built in from the start.

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Posted: August 7th, 2026