Principal Applied AI Scientist

Company: Lorien
Apply for the Principal Applied AI Scientist
Location: London
Job Description:

We’re looking for a hands‑on Applied AI Scientist to design, build and deploy real‑world AI solutions in complex, constrained environments. This is a senior technical role focused on delivery and impact – ideal for someone who enjoys solving challenging problems and influencing through expertise.

What you’ll be doing

  • Designing, building and deploying AI/ML solutions end‑to‑end
  • Working closely with users to translate real‑world problems into technical solutions
  • Developing models using production‑grade Python
  • Deploying AI solutions in secure, offline / air‑gapped environments
  • Working with GPU hardware for training and inference
  • Optimising performance, scalability and system resilience
  • Influencing technical direction through delivery and expertise
  • Sharing knowledge and supporting continuous learning across the team

What we’re looking for

  • Strong experience as an Applied AI Scientist / Data Scientist
  • Experience building and deploying AI solutions without reliance on cloud‑managed services
  • Solid understanding of modern AI/ML techniques
  • Experience with GPU‑based model training/inference
  • Ability to work independently and own delivery end‑to‑end
  • Strong problem‑solving skills and stakeholder engagement

Nice to have:

  • Experience in secure or air‑gapped environments
  • Experience with edge or constrained systems
  • Background delivering AI in real‑world operational environments
  • Ability to influence technical decisions without formal authority
  • Work on complex, real‑world AI challenges
  • High‑trust, collaborative environment focused on impact
  • Opportunity to shape solutions in cutting‑edge, constrained environments

If you’re a hands‑on AI engineer who thrives on solving real problems and delivering impact, apply now.

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Posted: June 1st, 2026