Staff Software Engineer - Security (AI)

Location: London, United Kingdom; onsite

Salary: £160K–£230K plus equity

Company

hirify.global provides an AI-native requirements platform that enables hardware teams to design, validate, and evolve complex systems with AI agents.

What you will do

• Own platform-wide security architecture, including threat modeling, secure design reviews, and security standards.
• Harden application and cloud infrastructure security across identity, networks, secrets, tenant isolation, and data protection.
• Drive SOC 2 readiness and prepare for defense and aerospace requirements, including export control and ITAR.
• Secure AI and agentic systems against prompt injection, model-driven data leakage, unauthorized actions, and insufficient guardrails.
• Build detection, monitoring, vulnerability-management, and CI/CD security tooling.
• Establish and run incident response from detection through postmortems, while supporting customer security reviews.

Requirements

• 8+ years of production software engineering experience, including operating secure cloud services at scale.
• Deep application and cloud security experience with AWS, GCP, or Azure, including identity and access, secrets, network security, and data protection.
• Experience owning security in a regulated or high-trust environment and implementing SOC 2.
• Strong threat modeling, secure architecture, and incident response skills.
• Experience securing AI or LLM systems.
• Ability to act as the security lead at a startup and set the security agenda independently.

Nice to have

• Experience with export control, ITAR, or FedRAMP.

Culture & Benefits

• Fast prototyping of AI workflows followed by production hardening.
• Clear ownership from prototype through production, with iterative delivery.
• Evaluation, observability, and safety built into the first version of systems.
• Meaningful equity, health, dental, and vision coverage.
• Flexible time off and support for experimentation, learning, and staying current with the AI ecosystem.