AI/ML Security Architect

Barclay Simpson; City Of London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Barclay Simpson is representing a major international organisation seeking an AI/ML Security Architect to support the secure adoption of Generative and Agentic AI across a complex enterprise environment. The role provides security architecture and design authority across AI/ML initiatives, collaborating with engineering, cloud and security teams to define practical controls and secure-by-design patterns.

Experience with LLMs, RAG, AI agents, vector databases, prompt injection and data leakage,

Qualifications

• Experience in designing secure AI systems and threat modelling.
• Understanding of secure-by-design patterns for AI/ML initiatives.
• Ability to collaborate with engineering, cloud and security teams.

Responsibilities

• Provide security architecture and design authority across AI/ML initiatives.
• Define practical controls and secure-by-design patterns for AI deployments.
• Collaborate with engineering, cloud and security teams to implement safeguards.

Skills

AI security

LLMs

Threat modelling

Cloud security

Job description

This major international organisation is seeking an AI/ML Security Architect to support the secure adoption of Generative and Agentic AI across their complex enterprise environment.

As AI/ML Security Architect, you'll provide security architecture and design authority across AI/ML initiatives, working closely with engineering, cloud and security teams to define practical controls and secure-by-design patterns. This will include areas such as LLMs, RAG, AI agents, vector databases, prompt injection, data leakage, identity, tool/API integration and AI threat modelling, alongside broader cloud and enterprise security architecture.

The successful candidate will have a strong security architecture background combined with genuine AI/LLM security experience. Exposure to technologies such as GCP/Vertex AI/Gemini, AWS Bedrock, Azure OpenAI, Anthropic Claude or LangChain/LangGraph would be particularly relevant.

This is a cutting-edge opportunity which will shape how AI is securely adopted across a large-scale global organisation.

Hybrid working in either London or Reading.

Visa sponsorship is available but you must be currently living in the UK.