Principal AI Engineer, Training & Evaluation Architect
Job Description & Overview
Oliver Bernard is seeking a Principal AI Engineer in London to own model training, post-training, RL, evaluation and agent infrastructure. This hands-on IC role offers influence over technical direction and requires strong production AI experience.
You will lead end-to-end AI initiatives, build pipelines for training and fine-tuning, develop evaluation systems and agent harnesses, and set direction while staying close to code and models.
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Key Details
- Date Posted: 23 Oct 2026
- Location: United Kingdom
- Employment Type: Permanent
- Category: IT & Technology, Engineering
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Verified Transport EmployerVerified transport and logistics firm operating commercial fleets across the UK network.
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