# Director of Engineering, Webapp & AI Attack at Horizon3.ai

- Company: Horizon3.ai
- What the company does: Horizon3 uses real-world attacks to safely show what attackers can actually do in your environment—so you can fix and prove what matters. Backed by NEA.
- Company website: https://horizon3.ai/
- Type: Startups (AI role)
- Level: Principal and up
- Location: US, Remote
- Work setup: Remote
- Pay: $290K to $340K base salary per year (USD)
- Posted: 2026-10-26
- Apply by: 2026-12-10
- Apply: https://jobs.ashbyhq.com/horizon3ai/c7405594-7e7a-4881-a028-74be80e82914?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/horizon3-ai-director-of-engineering-webapp-and-ai-attack/

## About the role

As Director of Engineering for Webapp and AI Attack, you’ll set direction and lead the teams that turn Webapp and AI related offensive security expertise into dependable, customer-facing NodeZero capabilities. You’ll own the strategy, execution, and organizational health of this portfolio, partnering with engineering managers, technical leaders, Product, Platform, and customer-facing teams. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Familiarity with offensive security, web application penetration testing, vulnerability research, attack automation, or building security products
- Working knowledge of modern web application architecture, HTTP, authentication and session flows, APIs, browser automation, and the challenges of testing real-world applications at scale
- Familiarity with AI/LLM and agentic-system security, including trust boundaries, tool-use risks, and approaches to evaluating AI-enabled systems
- Experience with cloud software and production platforms, and fluency in at least one modern programming language such as Python, TypeScript, Go, or a comparable language
- Understanding of engineering practices such as CI/CD, automated testing, observability, incident response, and operational readiness
- Direct leadership experience across both web application security and AI/LLM security, deep expertise in one area paired with the ability to build strong technical leadership in the other is also valuable

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/horizon3-ai-director-of-engineering-webapp-and-ai-attack/