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AI Research Engineer - Datadog AI Research (DAIR)

Paris💼 Full-time🗓 2026-05-15 → 2026-09-26

Core

Build data pipelines, training/evaluation infrastructure, and simulation environments to turn research ideas into working systems for AI-powered observability and security.

Role type

Senior IC AI Research Engineer (RL Infra & Systems)

Builds

Multimodal foundation models, trained autonomous agents, simulation environments, and evaluation infrastructure for cloud observability.

Domain

Cloud Observability, Security, AI/ML Systems

Deliverable

production ML models | infrastructure | research

Required skills

Distributed computing, RL Infra, ML systems for scale, Python, Systems languages (Rust/C++/Go), Cloud/data infrastructure, ML training/inference ops, Large-scale model training/fine-tuning, Automated benchmarking

Preferred skills

Observability/SRE/Security domain knowledge, Bridging prototypes to products, GPU programming (CUDA), Production data pipelines, Simulation/sandbox environments

Technologies

Ray, Slurm, PyTorch, JAX, Megatron-LM, DeepSpeed, SkyRL, VeRL, TorchTitan, CUDA

Responsibilities

Build multimodal data pipelines and training/evaluation infrastructure; Implement models and run large-scale experiments; Build simulation environments for agent training; Orchestrate distributed training and RL; Establish automated benchmarks; Collaborate on product integration and research publications.

Seniority

Senior, hands-on IC

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