You will join as the first engineering hire after the founders, taking full ownership of a platform securing autonomous AI agents. You will build ML models for agent classification, manage runtime evidence pipelines, and enforce security policies across various modalities, directly shaping the infrastructure layer of enterprise-grade AI security.
Founding AI Engineer at VC-backed AI security startup
Join a high-growth AI security startup as their Founding AI Engineer and build the infrastructure layer that makes autonomous systems trustworthy. As the first engineering hire, you'll work alongside founders with deep technical pedigree from MIT and NASA to solve the critical problem of securing enterprise AI agents. If you have serious chops in ML systems or security infrastructure and want to own a platform from day one with significant founding equity, this is the role for you. Based in London, this is a rare chance to shape a wide-open category in one of the hottest segments of the AI ecosystem.
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Location
London, United Kingdom
Compensation
£70k-£120k + 2-4% Equity
Company
Confidential company
Role overview
About the company
VC-backed AI security startup
What you will do
- Design and implement ML systems for real-time agent classification and detection.
- Build robust runtime evidence pipelines to monitor and secure autonomous systems in production.
- Architect and enforce policy layers across diverse AI models and modalities.
Who this is a fit for
- Technical expertise in AI/ML systems, detection and response, or security infrastructure.
- Proven track record of shipping production-grade ML or significant open-source/research contributions.
- High-autonomy builder who thrives in early-stage environments and handles technical ambiguity with ease.
Why this role is remarkable
- Founding equity and massive ownership as the first engineering hire alongside founders from MIT and NASA.
- Backed by top-tier VCs and elite global startup programs including Microsoft and Google for Startups.
- Opportunity to build in AI security, one of the fastest-growing and most critical categories in enterprise tech.
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.