Horizon3
Open positions
Staff Attack Engineer (AI/LLM)
We are hiring a Staff Attack Engineer specializing in AI/LLM security to join our team. You will break AI and agentic systems and turn that research into automated attacks inside NodeZero, our autonomous pentesting…
Senior Back End Engineer
The Senior Backend Engineer will be joining one of our world-class software engineering teams, and will be a key contributor to both user-facing product launches as well as platform enhancements and stability Develop…
Senior Software Engineer (Browser Automation)
We’re building an autonomous, black-box web application penetration tester It crawls and attacks real production websites the way a skilled human pentester would, finding broken access control, injection, XSS, and…
WebApp Offensive Security Software Engineer
We’re looking for a Webapp Offensive Security Engineer with deep, hands-on web application penetration testing experience to push our autonomous testing beyond what it can do today You’ll be testing real customer web…