AI Security Engineer

Perplexity is seeking a highly skilled AI Security Engineer to join their security team, driving the protection of next-generation AI systems against adversarial threats. In this role, you'll design and implement robust mechanisms to secure self-hosted models, LLM APIs, agents, MCPs, and the core AI stack.

What you'll do

• Define, build, and refine mechanisms to secure AI systems (including self-hosted models, LLM APIs, agents, MCPs, and other core components of the AI stack) against adversarial behavior of all kinds
• Understand technically complex AI systems, identify potential weaknesses in their architecture, and implement improvements

What you need

• Hands-on coding and prompting experience
• Bachelor of Science or Master of Science in Computer Science or a related field, or equivalent experience