Drimva

Inception Labs

Member of Technical Staff, RL Infra

San Mateo, United States · On-site · Staff · Full-time · Posted Mar 10, 2026

Education
BS/MS/PhD in Computer Science, Engineering, or a related field (or equivalent experience).

About the job

Designs and operates scalable, reliable infrastructure for reinforcement learning and post-training workloads for large AI models.

What you'll do

  • Build and optimize infrastructure for large-scale reinforcement learning and post-training workloads.
  • Improve reliability, scalability, and throughput of RL pipelines and distributed workloads.
  • Develop monitoring and observability tools for uptime, debugging, and reproducibility.

What they ask for

  • Understanding of ML frameworks from a systems perspective, including PyTorch, TensorFlow, Ray, or Megatron.
  • Experience with reinforcement learning workloads such as PPO, DPO, RLHF, or reward modeling.
  • Experience with Docker, Kubernetes, and CI/CD pipelines.

Nice to have

  • Experience building and maintaining language models with tens of billions of parameters or more.
  • Experience with Kubeflow or Airflow; performance optimization and profiling of ML systems.

Tools

PyTorch, TensorFlow, Ray, Megatron, PPO, DPO, Docker, Kubernetes

AI focus

Builds infrastructure for reinforcement learning and post-training of large AI models, including RL training pipelines and reward workflows.

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 6, 2026 (UTC)