Research Scientist Engineer Biological Safety

AI safety and research company building reliable, interpretable, and steerable AI systems, including the Claude product family and developer platform.

Series F+Recently funded51 current maintainers45 active leads15 new active leads30 lead step-downs10 early lead departures
San Francisco, United States
About Anthropic

Anthropic PBC develops frontier AI systems and deploys them through Claude products and the Claude Platform, with a stated focus on safety, interpretability, and steerability.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will design and run biological capability evaluations, develop classifier datasets, train and tune classifiers, and analyze production performance. You will build reusable tooling, conduct red-teaming, partner across functions, and communicate biological safety findings.

Requirements

  • Python
  • Scientific programming
  • Data analysis
  • Machine learning
  • Modern biology
  • Quantitative experimentation
  • Biosecurity
  • Dual-use research
  • Tooling

Responsibilities

  • Design, build, and run biological capability evaluations
  • Develop training and evaluation datasets for safety classifiers
  • Train, tune, and iterate on safety classifiers
  • Build repeatable evaluation and classifier-development tooling
  • Analyze production classifier and evaluation performance
  • Design and run red-teaming and stress-testing
  • Partner across Research, Product, and Policy teams
  • Contribute to external communications
  • Track developments in biology, machine learning, and biosecurity

Benefits

  • Equity donation matching
  • Generous vacation
  • Parental leave
  • Flexible working hours
Research Scientist Engineer Biological Safety at Anthropic | JobStash