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.
Security Engineer at well-funded AI security startup
Join a well-funded AI security startup in London as their founding Security Engineer, where you will work alongside an elite team with backgrounds from NASA and MIT to build the foundational security layers for autonomous systems from the ground up. This unique opportunity offers heavy autonomy and a direct path to CTO as the company scales, providing the perfect environment for a technically brilliant builder with 0-3 years of experience to solve complex vulnerabilities in production-grade AI while architecting the next generation of secure autonomous infrastructure.
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Location
London, United Kingdom
Compensation
£70k-120k + Equity
Company
Confidential company
Role overview
About the company
Well-funded AI security startup
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.
Who this is a fit for
- 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.
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.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.