About this role
Lead AI Engineer Publication Date: Jul 18, 2026 Ref. No: 505017 Location: Timisoara, RO
Who we are. We are a team of passionate experts with a clear ambition: applying digital technology to advance what matters for our clients and society. Together we create reliable and responsive digital foundations for the world’s businesses, institutions, and communities. Learn more on Advancing what matters. Atos is hiring a Lead AI Engineer to build and operate the model, infrastructure, and data layer of the Belgium AI delivery practice. The role trains and fine-tunes custom large and small language models for project use, builds and administers the AI infrastructure those models run on, and leads the data management, modelling, and integration work that every AI project depends on.
Key Responsibilities
- Build and train custom LLMs and SLMs.
- Fine-tune, align, and adapt models for project needs.
- Create and administer the AI infrastructure.
- Set up comp