Jobs

Horizon3 is seeking a Staff Attack Engineer specializing in AI/LLM security to join their remote team. This role involves breaking AI and agentic systems and translating that research into automated, scalable attack patterns for their autonomous pentesting platform, NodeZero. The ideal candidate will have expert-level Python skills, solid penetration testing fundamentals, and a proven ability to exploit AI/LLM systems, acting as a technical leader for AI/LLM offense. This is an opportunity to build repeatable, scalable attack patterns and drive LLM-powered offensive capabilities within a fast-growing cybersecurity company.