Principal AI Engineer

About the role

AI is reshaping cybersecurity on both sides. Attackers can use AI to strike at machine speed, and only AI-powered defense can keep up. At the same time, organizations can only adopt AI with confidence if it is secure. Rapid7 sits at the intersection of security and AI, and we are building industry-defining products for this new era.

What you'll do

• Set the technical direction for how Rapid7 builds, tunes and serves LLMs and agentic systems across its security products
• Define the architecture and technical roadmap for LLM and agentic AI systems across Detection and Response and Exposure and Remediation
• Lead model strategy: when to use frontier or open-source models, and when to fine-tune, distill, or post-train
• Establish evals as the release gate for every AI system we ship
• Lead design reviews and resolve the hardest technical trade-offs

What you need

• 12–22 yrs of experience
• Machine learning
• LLMs
• Python
• AWS
• PyTorch
• Vulnerability assessment
• PhD

Good to have

• IPR