AI Security Engineer

InfoSec People Ltd; United Kingdom; Remote; GBP 90,000 - 125,000; Full time

Benefits offered by this job

Remote work

Job summary

InfoSec People Ltd in the United Kingdom is partnering with a fast-growing Cyber Security SaaS organisation to hire a Senior AI Security Engineer. You will help build autonomous AI agents capable of planning, reasoning and executing security workflows in tightly controlled environments.

This hands-on role focuses on production AI systems, security testing automation, and safe integration with tooling. Remote UK work with competitive salary and benefits.

Qualifications

• 4+ years' software engineering experience.
• Experience building and shipping production AI applications.
• Knowledge of agentic AI frameworks such as LangGraph, MCP, RAG or similar.
• Experience integrating AI systems with external tools and services.
• Kubernetes and Docker experience.
• Cloud experience, ideally GCP.
• Strong understanding of APIs, microservices and distributed systems.
• Excellent communication and collaboration skills.
• Genuine interest in cyber security and offensive security concepts.
• Startup or scale-up environments.
• Fully remote working.

Responsibilities

• Build autonomous AI agents that automate security testing activities.
• Develop production-grade LLM applications and orchestration systems.
• Create secure integrations between AI systems and tooling.
• Improve agent reasoning, planning and decision-making capabilities.
• Design and implement evaluation, monitoring and guardrail frameworks.
• Operate containerised workloads in Kubernetes environments.
• Partner with security specialists to automate attack-path analysis.
• Contribute to technical design discussions and mentor engineers.

Skills

Software engineering

Production AI applications

Kubernetes

Docker

Cloud (GCP)

APIs & Microservices

Security awareness

Team collaboration

Offensive security interest

Tools

LangGraph

MCP

RAG

Kubernetes

Docker

Job description

Remote UK | Competitive Salary + Benefits

We're partnering with a fast-growing Cyber Security SaaS organisation that is transforming how enterprises identify and remediate security vulnerabilities through AI-powered automation.

They're looking for a Senior AI Security Engineer to help build autonomous AI agents capable of planning, reasoning and executing sophisticated security workflows within tightly controlled environments.

This is a hands-on engineering role for someone who enjoys building products, solving difficult technical problems and owning delivery from concept through to production.

The Opportunity

You'll play a key role in designing and delivering AI agents that automate complex security testing activities, helping organisations identify vulnerabilities faster and more effectively.

Working at the intersection of AI and Cyber Security, you'll collaborate with software engineers and security specialists to create intelligent systems capable of reasoning, planning and safely executing real-world security workflows.

Responsibilities

• Build autonomous AI agents that automate security testing activities
• Develop production-grade LLM applications and orchestration systems
• Create secure integrations between AI systems and specialist tooling
• Improve agent reasoning, planning and decision-making capabilities
• Design and implement evaluation, monitoring and guardrail frameworks
• Operate containerised workloads in Kubernetes environments
• Partner with security specialists to automate complex attack-path analysis
• Contribute to technical design discussions and mentor engineers

Requirements

• 4+ years' software engineering experience
• Experience building and shipping production AI applications
• Knowledge of agentic AI frameworks such as LangGraph, MCP, RAG or similar
• Experience integrating AI systems with external tools and services
• Kubernetes and Docker experience
• Cloud experience, ideally GCP
• Strong understanding of APIs, microservices and distributed systems
• Excellent communication and collaboration skills
• Genuine interest in cyber security and offensive security concepts
• Penetration testing
• Red Teaming
• Security tooling development
• Startup or scale-up environments
• Fully remote working
• Significant technical ownership
• Work alongside highly skilled security researchers
• Exposure to cutting-edge AI technologies
• Complex technical challenges
• Opportunity to shape product direction
• Collaborative engineering culture

Ready for Your Next Challenge?

If you're building production AI systems, enjoy solving complex engineering problems and want to work at the intersection of AI and Cyber Security, we'd love to speak with you.

This is an excellent opportunity to join a team pushing the boundaries of autonomous AI systems in a real-world security environment.