Horizon3AI jobs, careers, and hiring context

Explore Horizon3AI careers: 90 open roles hiring now. Find jobs at Horizon3AI with direct links to apply. Funding stage: Series E. Headcount: 201-500. Includes the official careers page link. Autonomous penetration testing platform that continuously discovers and exploits attack paths.

This page summarizes open roles, company profile signals, and official application paths so candidates can quickly evaluate fit before applying. Use the role list below to identify team focus, review location patterns, and jump to source listings. For broader comparison across the market, continue to the full company directory and jobs explorer.

Browse all jobsBack to companiesOfficial careers site
Open roles
90
Funding stage
Series E
Total funding
$428.5M

Key facts

Horizon3AI is a Series E stage AI startup, founded in 2019, with $428.5M in total disclosed funding. Its most recent round was a $250M Series E in Aug 2026. It currently lists 90 open roles across Texas, US Remote, Chicago, Illinois, +22 more. Source: Fast AI Jobs company dataset, updated Aug 2026.

Related topic tags

CybersecurityB2B SaaSDevOpsInfrastructure

Sample open roles from this company

Role links below go directly to official listing pages. Use them as a fast path while the full interactive view loads.

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Company profile last updated on Aug 24, 2026.