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Principal AI Engineer: LLM & Agentic Systems Leader

Job in Brighton and Hove, Brighton & Hove, East Sussex, England, UK
Listing for: mymoose
Full Time position
Listed on 2026-11-04
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Software Architect, Machine Learning/ ML Engineer, AI Reliability/ Performance Engineer
Salary/Wage Range or Industry Benchmark: 150000 - 190000 GBP Yearly GBP 150000.00 190000.00 YEAR
Job Description & How to Apply Below
Location: Brighton and Hove

Rapid7 is seeking a Principal AI Engineer to define and drive the technical direction of LLM and agentic AI systems across Detection, Response, and Remediation. You will stay hands-on with forecasting, training, and inference, while mentoring teams and shaping platform investments.

You will lead model strategy, evaluation, and deployment to production, balancing performance and cost, and collaborate across security product lines to deliver scalable AI capabilities.

Join us at mymoose as our next Principal AI Engineer: LLM & Agentic Systems Leader in United Kingdom.

The position is based in United Kingdom.

This opportunity is part of our work in IT & Technology, Engineering.

The advertised compensation is 150..

We aim to respond to suitable candidates as soon as possible.

Full responsibilities and requirements are described in the listing above.

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