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Principal Security Architect (Product Security)

London - Office💼 Full-time🗓 2026-07-13 → 2026-07-31

Core

Owns security architecture for enterprise-scale AI-infused scenario planning platform, focusing on secure-by-design patterns for identity, cryptography, and AI guardrails.

Role type

Principal Security Architect (Product Security)

Builds

Secure reference designs and patterns for the Hyperblock, Polaris, and AI-powered products (CoModeler, CoPlanner).

Domain

Enterprise SaaS / AI Security / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Secure software architecture, cryptography, identity and authorization, threat modelling, AI/ML security, supply chain security, offensive security mindset

Preferred skills

Published research or standards contributions, experience in regulated environments, formal offensive security training

Technologies

None explicitly listed

Responsibilities

Define reference architectures for platform and AI products, own identity and authorization architecture for AI agents, set cryptography and key-management standards, design AI guardrails against prompt injection and abuse, lead threat modelling on riskiest systems, drive secure-by-design into supply chain and attack surface, write and review real designs and prototypes

Seniority

Principal, hands-on IC

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