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Horizon3AI

Autonomous penetration testing platform that continuously discovers and exploits attack paths.

CybersecuritySeries D$186M raised

Open Positions

47 jobs available

DEPARTMENT

All (47)Engineering (21)Marketing (1)Product (2)Sales (23)

LOCATION

All (47)APAC, Remote (1)Amsterdam, Netherlands (5)Chicago, Illinois (2)EMEA, Remote (1)Indianapolis (1)Melbourne, Australia (1)New York City, NY (1)North Carolina (1)Philadelphia (1)San Francisco, California (1)Singapore (1)Texas (1)US, Remote (30)
RoleDepartmentLocationCompensationAction

Account Executive, Iberia

Sales
EMEA, Remote

Agentic Offensive AI Engineer

Engineering
Indianapolis

Attack Engineer

Engineering
US, Remote

Channel Account Manager, Northeast

Sales
US, Remote

Channel Account Manager, TOLA

Sales
Texas

Channel Field Marketing Manager

Marketing
US, Remote

Channel Solutions Architect

Sales
US, Remote

Commercial Account Manager, DACH

Sales
Amsterdam, Netherlands

Frequently Asked Questions about Horizon3AI

What does Horizon3AI do?

Autonomous penetration testing platform that continuously discovers and exploits attack paths.

How many employees does Horizon3AI have?

Horizon3AI has 231 employees as of 2026.

How much funding has Horizon3AI raised?

Horizon3AI has raised $186M in total funding. Their most recent round was a Series D.

What technologies does Horizon3AI use?

Horizon3AI works with technologies including AI, Automation, Cybersecurity, Enterprise, SaaS.

More About Horizon3AI

Company Info

San Francisco, CA

Founded 2019

231 employees

$186M total raised

Technologies

AIAutomationCybersecurityEnterpriseSaaSDevOpsB2B SaaSInfrastructure