Principal AI/ML Engineer

Contract Type Freelance

Adecuado Start Date 01/09/2027

Duration of Contract 9 years (Initial Term of 3 years + three optional 2-year renewal periods)

Location 3 days onsite per week in Brussels – Haren

Sector Air Traffic Management (ATM) / Aviation sector

Also open to discuss a permanent position for the right candidate.

Atos is hiring a Principal AI/ML Engineer to design and ship production-grade machine learning systems, from model development through to deployment.

What you'll bring

- 8+ years of hands-on experience in AI/ML
- Expert-level Python and experience with ML frameworks (TensorFlow, PyTorch, MXNet), including deep learning and reinforcement learning
- Strong grasp of data preprocessing, feature engineering, model evaluation, and hyperparameter optimisation at scale
- MLOps experience:



CI/CD for ML pipelines, containerisation (Docker, Kubernetes), and cloud ML platforms (SageMaker, Vertex AI, Azure ML)
- Comfortable with Git, big data tools (Spark, Dask), and deploying production-ready models (ONNX, REST APIs)

Nice to have

- Domain depth in NLP, computer vision, or time-series analysis
- Advanced MLOps tooling (MLflow, Kubeflow) or federated learning experience
- Track record leading cross-functional AI/ML projects in production environments

Education & languages

Degree in Computer Science, Data Science, Mathematics, or equivalent hands-on experience.

English (C1).

📌 Machine learning engineer (España)
🏢 Atos
📍 España