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Horizon3

Autonomous pentesting platform that runs real attack simulations in production for enterprise and government security teams

United Stateshorizon3.ai

Highlights

  • Hiring17 open roles
  • New on EvolcAdded 2026-10-17
  • Remote-friendly17 of 17 open roles remote or hybrid
  • Salary transparent11 of 17 open roles list a salary

About Horizon3

Horizon3 develops NodeZero, a security product that autonomously executes real attack techniques against a customer's production environment without agents. It shows how an attacker could move, what they could access, and which fixes stop them, then re-tests to verify that fixes work.

The website says customers include global governments, Fortune 10 companies and major healthcare providers, and cites 7,012 customers. Sales are run through demos and channel partners, and the open roles include channel account managers and MSP account executives. The website does not describe pricing or the revenue model.

Horizon3 was founded in 2019 and is headquartered in San Francisco, CA, with offices in Chicago and Amsterdam. It lists about 40 open roles, mainly in engineering, sales, marketing and customer success, mostly US remote, with others in Europe, Singapore, Japan, Australia and Canada. The site also cites Inc. 5000 and Deloitte Technology Fast 500 rankings.

Product: NodeZero, an autonomous penetration testing and security validation platform that runs attack techniques in production environments.

Open jobs (17)

See all 17 jobs at Horizon3 →

Leadership

Tech stack

  • Ashby
  • Calendly
  • Cloudflare
  • Google Tag Manager
  • WordPress
  • jQuery