Research Engineer, Cybersecurity RL

Location: San Francisco, CA or New York City, NY; hybrid policy requires staff to be in an Anthropic office at least 25% of the time, with some roles requiring more office time.

Salary: $500,000–$850,000 USD annual salary

Company

Anthropic develops reliable, interpretable, and steerable AI systems intended to be safe and beneficial for users and society.

What you will do

• Develop novel approaches for safely advancing AI capabilities in secure coding, vulnerability remediation, and defensive cybersecurity.
• Design and implement reinforcement learning environments.
• Conduct experiments and evaluations and deliver results into production training runs.
• Collaborate with researchers, engineers, and cybersecurity specialists across and outside Anthropic.

Requirements

• 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 commitment to developing safe and beneficial systems.
• Bachelor’s degree or an equivalent combination of education, training, and experience.
• Relevant field of study demonstrated through coursework, training, or professional experience.
• Required years of experience correlate with the internal job level requirements.

Nice to have

• Professional experience in security engineering, fuzzing, detection and response, or other applied defensive work.
• Experience participating in or building CTF competitions and cyber ranges.
• Academic research experience in cybersecurity.
• Familiarity with reinforcement learning techniques and environments.
• Familiarity with LLM training methodologies.

Culture & Benefits

• Collaborative research environment focused on a small number of large-scale AI research efforts.
• Frequent research discussions and emphasis on communication skills.
• Flexible working hours and office-based collaboration.
• Competitive compensation, optional equity donation matching, generous vacation, and parental leave.
• Visa sponsorship may be available; sponsorship success depends on the role and candidate, with immigration lawyer support.