# Research Engineer – Cybersecurity RL

**Company:** [Anthropic](https://hotfix.jobs/companies/anthropic)
**Location:** San Francisco, CA, New York, NY
**Role:** Security Engineering
**Salary:** $300k – $405k/yr
**Skills:** Reinforcement Learning, Cybersecurity, Machine Learning, Software Engineering, Rl Environments, Llm Training, Secure Coding, Vulnerability Remediation, Fuzzing, Ctf
**Posted:** 2026-02-12

> Research Engineer on Cybersecurity RL team advances AI models in secure coding, vulnerability remediation, and defensive cybersecurity using RL techniques. Requires cybersecurity expertise, ML experience, and strong engineering skills.

## Job Description

## You may be a good fit if you:
- Have experience in cybersecurity research.
- Have experience with machine learning.
- Have strong software engineering skills.
- Can balance research exploration with engineering implementation.
- Are passionate about AI's potential and committed to developing safe and beneficial systems.

## Strong candidates may also 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 RL techniques and environments.
- Familiarity with LLM training methodologies.

## Logistics
**Education requirements:** We require at least a Bachelor's degree in a related field or equivalent experience.

**Annual Salary:** $300,000 — $405,000 USD

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