290K–340K USD / year
Director of Engineering, Webapp & AI Attack
Engineering managerRemote — United States
Published on 2026-10-26
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About this role
Lead the Webapp and AI Attack engineering portfolio, setting strategy and guiding teams that turn offensive security research into reliable NodeZero capabilities. The role spans web application testing and security assessment of AI-enabled and agentic systems, with responsibility for organizational health, delivery, and cross-functional alignment.
About the company
Horizon3.ai is a technology company specializing in cybersecurity solutions, focusing on automated penetration testing and threat detection for enterprises. They provide a range of services aimed at enhancing security posture and risk management for organizations across various sectors.
The team
WebApp and AI Attack teams within the Proactive Offense organization.
Stack
PythonTypeScriptGoAWSAzureGCPNeo4jPostgreSQL
What you'll do
- Lead and develop engineering teams, managers, and senior technical leaders.
- Set portfolio strategy and roadmaps aligned with customer needs and product priorities.
- Guide web application discovery, crawling, browser automation, authentication, and attack coverage.
- Productize repeatable security assessments for AI, LLM, and agentic systems.
- Establish quality, testing, reliability, observability, and operational standards.
- Drive cross-team initiatives and communicate tradeoffs, progress, and risks.
- Use customer feedback and production signals to improve capabilities and outcomes.
What we're looking for
- Significant experience leading software engineering teams building customer-facing products.
- Experience leading multiple teams and developing managers and senior technical leaders.
- Strong technical judgment in architecture, automation, distributed systems, and production operations.
- Experience taking complex capabilities from research or concept through reliable production delivery.
- Familiarity with offensive security, web application testing, vulnerability research, or security products.
- Working knowledge of modern web architecture, HTTP, authentication, APIs, and browser automation.
- Familiarity with AI/LLM and agentic-system security, including trust boundaries and tool-use risks.
- Experience with cloud platforms and fluency in a modern programming language.
Nice to have
- Leadership experience spanning web application security and AI/LLM security.
- Experience with web crawling, browser automation, SSO, SAML, or OIDC.
- Experience shipping AI security capabilities or using OWASP Top 10 for LLM Applications or MITRE ATLAS.
- Security research, open-source contributions, publications, or conference talks.
- Certifications such as OSCP, OSEP, or OSWE.
Benefits
- Stock options
- Health, vision, and dental insurance for employees and their families
- Flexible vacation policy
- Generous parental leave