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Full-Time

Machine Learning Systems Engineer, RL Engineering at Anthropic

Company Anthropic
Location San Francisco, CA | New York City, NY | Seattle, WA
Salary Competitive salary
Posted Posted on January 2, 2026

Job Description

Opening. We're looking for a Machine Learning Systems Engineer to join our Reinforcement Learning Engineering team. This role will be responsible for building, maintaining, and improving the algorithms and systems that our researchers use to train models.

What you'll do

You'll be responsible for improving the speed, reliability, and ease-of-use of our systems. This will involve working closely with our researchers to understand their needs and develop solutions that meet those needs.

  • Responsibility 1: Profiling our reinforcement learning pipeline to find opportunities for improvement
  • Responsibility 2: Building a system that regularly launches training jobs in a test environment so that we can quickly detect problems in the training pipeline

What you need

  • Required skill 1: High performance, large scale distributed systems
  • Required skill 2: Large scale LLM training

Why this matters

As a Machine Learning Systems Engineer, you'll play a critical role in enabling breakthroughs in AI capabilities and safety. Your work will directly impact the development of our research and the progress of our team.

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