Job Details

Senior Security Engineer

Senior Security Engineer

📍 City of London, London
£80,000 per annum
£80000 - £110000/annum
Industry: IT
Remote: Yes
Posted: 26-08-2026
Company: 83zero Ltd
Type: Permanent
Reference: 225538156

Job Description:

Security Engineer - GenAI / AI Security

Up to £110,000 + Excellent Benefits

London - Hybrid | 1-2 days per week in the office

Permanent

The Opportunity

Are you an experienced Security Engineer with a strong interest in Generative AI, LLM security and cyber engineering?

We're looking for a talented Security Engineer to join an established technology environment, where you'll play a key role in designing and developing security solutions that protect AI and LLM-based applications from emerging threats, including adversarial attacks and prompt injection.

This is an exciting opportunity to work at the intersection of Cyber Security, Software Engineering and Generative AI, helping to develop secure and scalable solutions within a complex enterprise environment.

The Role

You'll be responsible for designing, developing, optimising and enhancing a GenAI prompt security platform, alongside building automated security testing capabilities to validate protection mechanisms across a range of LLM use cases.

You'll collaborate with Engineering, Operations and technology teams to deliver secure, scalable and resilient solutions.

Key Responsibilities

About You

We're looking for someone who combines strong software engineering fundamentals with a genuine interest in AI and Cyber Security.

You'll ideally have:

Desirable Experience

Experience in one or more of the following would be advantageous:

Interested?

If you're an experienced Security Engineer looking for your next opportunity in GenAI, LLM and Cyber Security, we'd love to hear from you.

Apply now to find out more.

Apply Now