Security Engineer (£70k–£120k + Equity) at well-funded AI security startup

Job Title

Security Engineer

Salary

£70k–£120k + Equity

Company Description

Well-funded AI security startup

Job Description

Join an elite team as the founding security engineer building critical infrastructure for autonomous systems. You will lead the development of secure AI frameworks, ensuring integrity and safety across production models. This high-impact role offers significant autonomy to shape technical strategy and evolve into a leadership position as the organization scales rapidly.

Location

London, UK

Why this role is remarkable

• Join as the first engineering hire with a direct path to CTO as the company grows.
• Backed by top-tier venture capital firms and recognized by leading global AI research labs.
• Work alongside a founding team with deep technical pedigree from institutions like NASA and MIT.

What You Will Do

• Design and implement robust security protocols for large-scale autonomous AI deployments.
• Develop automated systems to detect and mitigate adversarial attacks on production models.
• Architect scalable security infrastructure that integrates seamlessly with modern AI development workflows.

The ideal candidate

• Strong background in cybersecurity, application security, or AI/ML systems (0-3 years post-university).
• Experience in offensive or defensive security research, specifically targeting prompt injection or model vulnerabilities.
• Proactive builder mindset with a track record of shipping production-grade code or contributing to significant open-source projects.

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