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Senior Site Reliability Engineer (GPU & ML Infrastructure)

Company: Criteo

Location: Paris, London

Posted: June 03, 2026

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Position Details

What You'll Do:

At Criteo, the Platform Core group builds the foundational infrastructure powering our global advertising platform. We design and operate large-scale, resilient systems supporting real-time decision-making and data processing across thousands of services.

As we expand our distributed computing and ML infrastructure capabilities, we are building a new team focused on GPU platforms and high-performance model serving technologies.

As a Site Reliability Engineer in the GPU team, you will help design, operate, and scale the infrastructure powering machine learning training and inference workloads.

You will work on technologies such as:

Ray on Kubernetes

  • Build and operate scalable Ray clusters running on Kubernetes.

  • Develop reliable self-service distributed computing platforms for ML workloads.

  • Improve provisioning, observability, reliability, and operational efficiency of ray-as-a-service ...