Research Engineer, Cybersecurity

Location: Zürich, Switzerland; hybrid with at least 25% office attendance

Company

Anthropic develops reliable, interpretable, and steerable AI systems designed to be safe and beneficial.

What you will do

• Design, build, and maintain reinforcement-learning environments and evaluations for secure coding, vulnerability discovery, remediation, and defensive security.
• Run experiments on new AI training approaches and deliver successful results into production training runs.
• Partner with researchers, engineers, and cybersecurity specialists to identify defensive workflows that AI can strengthen.
• Collaborate with external cybersecurity experts and organizations to create realistic environments and evaluations.
• Contribute to team strategy, including research priorities, partnerships, and investment areas.
• Participate in an on-call rotation as needed.

Requirements

• Experience in cybersecurity research or applied security work.
• Experience with machine learning and the ability to combine research exploration with engineering implementation.
• Commitment to developing safe and beneficial AI systems.
• Bachelor’s degree or equivalent education, training, or professional experience in a relevant field.
• Ability to work from the Zürich office at least 25% of the time.

Nice to have

• Professional experience in security engineering, fuzzing, detection and response, or other applied defensive security 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 large-scale AI research.
• Frequent research discussions and emphasis on communication.
• Competitive compensation and benefits.
• Optional equity donation matching, generous vacation, and parental leave.
• Flexible working hours and an office designed for collaboration.
• Visa sponsorship is available, with immigration-lawyer support, subject to role and candidate eligibility.