Home / Engineering / Senior Machine Learning Engineer, Model Training and Reinforcement Learning

Senior Machine Learning Engineer, Model Training and Reinforcement Learning

Nebius · Palo Alto, California, United States

Senior Machine Learning Engineer, Model Training and Reinforcement Learning is open at Nebius in Palo Alto, California, United States. The posting gives a salary of $195K - $262K. Posted on Jul 22, 2026, and still on Nebius’s careers page when we last checked, on Nov 14, 2026.

About the role

Nebius Token Factory is building an AI training and model post-training capability for frontier model improvement. This role owns the infrastructure that makes large-scale training and RL experiments possible, reliable, reproducible, and efficient. The work sits at the intersection of distributed systems, GPU performance, model training frameworks, RL pipelines, and production engineering. A Senior Machine Learning…

The opening lines of the posting. The rest is on Nebius’s careers page.

Hiring at Nebius

Nebius has 374 open roles right now, 95 of them remote. Most are in Engineering, Data & Research and Security. The median advertised salary across its roles with a published range is $170K. See all its roles

Similar Engineering jobs

All Engineering jobs
Apply on company site