← All roles

Research Engineer, Cybersecurity RL (Reinforcement Learning)

Anthropic· AI Research & Engineering
Apply on company site
Hybrid (San Francisco, CA; New York City, NY)$500k - $850knot specifiedPosted 10mo ago

About the role

Research Engineer role within the Horizons team focused on cybersecurity RL, designing and implementing reinforcement learning environments and experiments to advance secure coding, vulnerability remediation, and other defensive cybersecurity capabilities, and delivering work into production training runs.

Responsibilities

  • Design and implement RL environments for cybersecurity tasks
  • Conduct experiments and evaluations of RL approaches
  • Deliver work into production training runs
  • Collaborate with researchers, engineers, and cybersecurity specialists across Anthropic and externally
  • Develop novel approaches at the intersection of cybersecurity and AI safety
  • Balance research exploration with engineering implementation

Qualifications

  • Experience in cybersecurity research
  • Experience with machine learning
  • Strong software engineering skills
  • Ability to balance research exploration with engineering implementation
  • Passion for AI's potential and safe/beneficial systems

Skills

Required:Cybersecurity research experienceMachine learning experienceSoftware engineeringRL environment designProduction ML training deploymentCollaboration across teams

Benefits

  • Competitive compensation and benefits
  • Optional equity donation matching
  • Generous vacation and parental leave
  • Flexible working hours
  • Lovely office space
Last updated Oct 14, 2026. Interested? Apply on the company site.

About Anthropic

building reliable, interpretable, and steerable AI systems

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

ai-infrastructure-and-developmentliquid-ai-recruiting-targetsetter-30setter-30-2026-q1wing-list-2026wing-list-2026-giga-stage

More open roles at Anthropic