Founding Security Engineer

London - Hybrid

The client:

This company is building agentic systems that can write code, use tools, and work with sensitive enterprise data. Their focus is on making these systems safe enough to operate inside large organisations.

They sit at the centre of AI, security, and infrastructure. The work is practical. It’s about making advanced systems usable in real environments, not just research settings.

Their platform supports knowledge systems and autonomous agents used by enterprise teams. Security is core to the product, not an afterthought.

The team is small and technical. You’ll be working closely with engineers and researchers, shaping how security is built from day one. This is an early-stage environment. You’ll have full ownership and a direct impact on how the platform evolves.

The role:

As a Founding Security Engineer, you’ll define and build the security foundations of the platform.

• You’l...