Horizon3.ai, Inc.

About Horizon3.ai, Inc.

Horizon3.ai provides autonomous security testing and attack surface management software. Its NodeZero platform continuously assesses enterprise networks, clouds, and applications to find exploitable weaknesses, validate fixes, and prioritize risks. The company serves Fortune 500, government, and mid-market organizations seeking proactive defense without manual red teams.

Open Positions at Horizon3.ai, Inc.

Senior Sales Engineer, DACH Channel

Horizon3.ai, Inc.

Germany

Full-time

Expires Sep 19, 2026

AWS

Azure

GCP

+4 more

2 months ago

Senior Commercial Account Executive, Eastern Europe

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Sep 19, 2026

Senior

Remote

2 months ago

Senior Manager, Commercial Sales, DACH & Eastern Europe

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Sep 19, 2026

Senior

Remote

2 months ago

Senior Engineering Manager, Data Processing Platform

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 19, 2026

Python

Go

AWS

+5 more

2 months ago

Staff Technical Support Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 19, 2026

Python

JavaScript

AWS

+6 more

2 months ago

Expires soon

Manager, Commercial Sales Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 14, 2026 (Soon)

Remote

$250k-276k

2 months ago

Expires soon

Staff Corporate Events Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 14, 2026 (Soon)

Senior

Remote

$170k-210k

2 months ago

Expires soon

Senior Manager, Recruiting Operations

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 14, 2026 (Soon)

Design

Senior

Remote

+1 more

2 months ago

Expires soon

Senior Technical Alliances Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 8, 2026 (Soon)

Senior

Remote

$150k-166k

2 months ago

Expires soon

Senior Sales Engineer, Japan

Horizon3.ai, Inc.

Japan

Full-time

Expires Sep 8, 2026 (Soon)

Senior

Remote

Degree Required

2 months ago

Expires soon

Enterprise Account Executive, Houston

Horizon3.ai, Inc.

Texas

Full-time

Expires Sep 8, 2026 (Soon)

Remote

$300k-350k

2 months ago

Expires soon

Senior HR Business Partner, EPD

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 8, 2026 (Soon)

Senior

Remote

$150k-185k

2 months ago

Expired

Senior Enablement Operations Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Sep 7, 2026

Senior

Remote

$149k-185k

2 months ago

Expired

FP&A Manager, Product & Engineering

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Sep 7, 2026

Remote

$149k-185k

2 months ago

Expired

Mid-Enterprise Account Executive, Houston

Horizon3.ai, Inc.

Texas

Full-time

Expired Sep 7, 2026

Mid-level

Remote

$200k-250k

2 months ago

Expired

Senior Marketing Specialist

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expired Sep 2, 2026

Senior

Remote

2 months ago

Expired

Account Executive, MSP, East

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 31, 2026

Remote

$140k-150k

2 months ago

Expired

Mid-Enterprise Account Executive, Northwest

Horizon3.ai, Inc.

Seattle

Full-time

Expired Aug 31, 2026

Mid-level

Remote

$180k-240k

2 months ago

Expired

Mid-Enterprise Account Executive, NorCal

Horizon3.ai, Inc.

California

Full-time

Expired Aug 31, 2026

Mid-level

Remote

$180k-240k

2 months ago

Expired

Staff Revenue Operations Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 29, 2026

AWS

Senior

Remote

+1 more

2 months ago

Expired

Mid-Enterprise Account Executive, SoCal

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 25, 2026

Mid-level

Remote

$180k-240k

2 months ago

Expired

Commercial Account Executive, Chicago

Horizon3.ai, Inc.

Chicago, Illinois

Full-time

Expired Aug 23, 2026

Hybrid

$130k-150k

2 months ago

Expired

Senior Software Engineer, Agentic Systems

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 23, 2026

Python

Neo4j

AWS

+3 more

2 months ago

Expired

Senior Software Engineer, Browser Automation

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 23, 2026

JavaScript

TypeScript

Node.js

+5 more

2 months ago

Expired

Senior Product Marketing Manager, WebApp

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 20, 2026

Senior

Remote

$148k-182k

3 months ago

Expired

Channel Account Manager, DACH

Horizon3.ai, Inc.

Germany

Full-time

Expired Aug 20, 2026

Remote

Degree Required

3 months ago

Expired

Senior Sales Development Representative, UKI

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expired Aug 15, 2026

Senior

Remote

3 months ago

Expired

Senior Revenue Operations Coordinator

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expired Aug 15, 2026

Senior

Remote

Degree Required

3 months ago

Expired

Staff Attack Engineer, OCI

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 12, 2026

Python

AWS

Azure

+5 more

3 months ago

Expired

WebApp Offensive Security Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 12, 2026

Python

PostgreSQL

Neo4j

+2 more

3 months ago

Expired

Senior People Operations Lead (International)

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expired Aug 12, 2026

Senior

Remote

3 months ago

Expired

Senior Sales Development Representative, DACH

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expired Aug 12, 2026

Senior

Remote

3 months ago

Expired

Senior Customer Success Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 12, 2026

Senior

Remote

$140k-175k

3 months ago

Expired

Enterprise Sales Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 3, 2026

Remote

$220k-260k

Degree Required

3 months ago

Expired

Senior Sales Engineer, Singapore

Horizon3.ai, Inc.

Singapore

Full-time

Expired Aug 3, 2026

Senior

Remote

Degree Required

3 months ago

Expired

Enterprise Account Executive, Singapore

Horizon3.ai, Inc.

Singapore

Full-time

Expired Aug 3, 2026

Remote

3 months ago

Expired

Manager, Sales Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 3, 2026

Remote

$250k-276k

3 months ago

Expired

Principal Cloud FinOps Analyst

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Aug 3, 2026

AWS

Azure

GCP

+3 more

3 months ago

Expired

Mid-Market Account Executive, Singapore

Horizon3.ai, Inc.

Singapore

Full-time

Expired Aug 3, 2026

Mid-level

Remote

3 months ago

Expired

Sales Development Representative, Singapore

Horizon3.ai, Inc.

Singapore

Full-time

Expired Aug 3, 2026

Remote

3 months ago

Expired

Senior Manager, Customer Success

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 27, 2026

Senior

Remote

$180k-225k

+1 more

3 months ago

Expired

Global Help Desk Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 27, 2026

Remote

$149k-185k

Degree Required

3 months ago

Expired

Field Marketing Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 27, 2026

Remote

$110k-135k

3 months ago