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

22 hours ago

Senior Commercial Account Executive, Eastern Europe

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Sep 19, 2026

Senior

Remote

22 hours ago

Senior Engineering Manager, Data Processing Platform

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 19, 2026

Python

Go

AWS

+5 more

22 hours ago

Senior Manager, Commercial Sales, DACH & Eastern Europe

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Sep 19, 2026

Senior

Remote

22 hours ago

Staff Technical Support Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 19, 2026

Python

JavaScript

AWS

+6 more

22 hours ago

Manager, Commercial Sales Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 14, 2026

Remote

$250k-276k

6 days ago

Staff Corporate Events Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 14, 2026

Senior

Remote

$170k-210k

6 days ago

Senior Manager, Recruiting Operations

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 14, 2026

Design

Senior

Remote

+1 more

6 days ago

Senior Sales Engineer, Japan

Horizon3.ai, Inc.

Japan

Full-time

Expires Sep 8, 2026

Senior

Remote

Degree Required

12 days ago

Senior Technical Alliances Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 8, 2026

Senior

Remote

$150k-166k

12 days ago

Enterprise Account Executive, Houston

Horizon3.ai, Inc.

Texas

Full-time

Expires Sep 8, 2026

Remote

$300k-350k

12 days ago

Senior HR Business Partner, EPD

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 8, 2026

Senior

Remote

$150k-185k

12 days ago

FP&A Manager, Product & Engineering

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 7, 2026

Remote

$149k-185k

13 days ago

Senior Enablement Operations Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Sep 7, 2026

Senior

Remote

$149k-185k

13 days ago

Mid-Enterprise Account Executive, Houston

Horizon3.ai, Inc.

Texas

Full-time

Expires Sep 7, 2026

Mid-level

Remote

$200k-250k

13 days ago

Senior Marketing Specialist

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Sep 2, 2026

Senior

Remote

18 days ago

Mid-Enterprise Account Executive, NorCal

Horizon3.ai, Inc.

California

Full-time

Expires Aug 31, 2026

Mid-level

Remote

$180k-240k

20 days ago

Mid-Enterprise Account Executive, Northwest

Horizon3.ai, Inc.

Seattle

Full-time

Expires Aug 31, 2026

Mid-level

Remote

$180k-240k

20 days ago

Account Executive, MSP, East

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 31, 2026

Remote

$140k-150k

20 days ago

Staff Revenue Operations Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 29, 2026

AWS

Senior

Remote

+1 more

22 days ago

Mid-Enterprise Account Executive, SoCal

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 25, 2026

Mid-level

Remote

$180k-240k

26 days ago

Commercial Account Executive, Chicago

Horizon3.ai, Inc.

Chicago, Illinois

Full-time

Expires Aug 23, 2026

Hybrid

$130k-150k

28 days ago

Senior Software Engineer, Browser Automation

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 23, 2026

JavaScript

TypeScript

Node.js

+5 more

28 days ago

Senior Software Engineer, Agentic Systems

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 23, 2026

Python

Neo4j

AWS

+3 more

28 days ago

Senior Product Marketing Manager, WebApp

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 20, 2026

Senior

Remote

$148k-182k

1 month ago

Channel Account Manager, DACH

Horizon3.ai, Inc.

Germany

Full-time

Expires Aug 20, 2026

Remote

Degree Required

1 month ago

Senior Sales Development Representative, UKI

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Aug 15, 2026

Senior

Remote

1 month ago

Senior Revenue Operations Coordinator

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Aug 15, 2026

Senior

Remote

Degree Required

1 month ago

Staff Attack Engineer, OCI

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 12, 2026

Python

AWS

Azure

+5 more

1 month ago

WebApp Offensive Security Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 12, 2026

Python

PostgreSQL

Neo4j

+2 more

1 month ago

Senior People Operations Lead (International)

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Aug 12, 2026

Senior

Remote

1 month ago

Senior Sales Development Representative, DACH

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires Aug 12, 2026

Senior

Remote

1 month ago

Senior Customer Success Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 12, 2026

Senior

Remote

$140k-175k

1 month ago

Enterprise Sales Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 3, 2026

Remote

$220k-260k

Degree Required

2 months ago

Senior Sales Engineer, Singapore

Horizon3.ai, Inc.

Singapore

Full-time

Expires Aug 3, 2026

Senior

Remote

Degree Required

2 months ago

Enterprise Account Executive, Singapore

Horizon3.ai, Inc.

Singapore

Full-time

Expires Aug 3, 2026

Remote

2 months ago

Manager, Sales Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 3, 2026

Remote

$250k-276k

2 months ago

Principal Cloud FinOps Analyst

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Aug 3, 2026

AWS

Azure

GCP

+3 more

2 months ago

Sales Development Representative, Singapore

Horizon3.ai, Inc.

Singapore

Full-time

Expires Aug 3, 2026

Remote

2 months ago

Mid-Market Account Executive, Singapore

Horizon3.ai, Inc.

Singapore

Full-time

Expires Aug 3, 2026

Mid-level

Remote

2 months ago

Expires soon

Senior Manager, Customer Success

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jul 27, 2026 (Soon)

Senior

Remote

$180k-225k

+1 more

2 months ago

Expires soon

Global Help Desk Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jul 27, 2026 (Soon)

Remote

$149k-185k

Degree Required

2 months ago

Expires soon

Field Marketing Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jul 27, 2026 (Soon)

Remote

$110k-135k

2 months ago

Expired

Director, Pentest Platform

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 21, 2026

Python

PostgreSQL

MongoDB

+5 more

2 months ago

Expired

Senior Sales Enablement Manager, Commercial & SDR

Horizon3.ai, Inc.

Chicago, Illinois

Full-time

Expired Jul 21, 2026

Senior

Remote

$149k-185k

2 months ago

Expired

Senior, L&D Program Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 20, 2026

Senior

Remote

$150k-185k

2 months ago

Expired

Senior Federal Field Marketing Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 20, 2026

Senior

Remote

$149k-185k

2 months ago

Expired

Senior Field Marketing Specialist

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 20, 2026

Senior

Remote

$89k-110k

2 months ago

Expired

Manager, Compliance

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 20, 2026

AWS

Remote

$149k-185k

+1 more

2 months ago

Expired

Channel Field Marketing Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 20, 2026

Remote

$110k-135k

2 months ago

Expired

Manager, Security Engineering, Cloud & AppSec

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 20, 2026

AWS

Azure

GCP

+5 more

2 months ago

Expired

Senior Customer Success Manager, ANZ

Horizon3.ai, Inc.

Canberra, Australia

Full-time

Expired Jul 20, 2026

Senior

Remote

2 months ago

Expired

IT Analyst, EMEA

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expired Jul 18, 2026

Remote

2 months ago

Expired

Senior Engineering Manager, Cloud Platform

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 11, 2026

AWS

Azure

GCP

+5 more

2 months ago

Expired

Senior HR Business Partner, GTM

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 9, 2026

Senior

Remote

$150k-220k

2 months ago

Expired

Commercial Counsel

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 7, 2026

Remote

$113k-140k

2 months ago

Expired

Marketing Operations Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 7, 2026

Remote

$109k-135k

2 months ago

Expired

Partner Marketing Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 7, 2026

Remote

$89k-0k

2 months ago

Expired

Mid-Enterprise Account Executive, NYC

Horizon3.ai, Inc.

New York City, NY

Full-time

Expired Jul 7, 2026

Mid-level

Remote

$180k-240k

2 months ago

Expired

Senior Engineering Manager, Data Engineering

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jul 5, 2026

Python

AWS

Kubernetes

+5 more

3 months ago

Expired

Senior Sales Development Representative

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expired Jul 5, 2026

Senior

Remote

3 months ago

Expired

Regional Vice President, Enterprise Sales, NYC

Horizon3.ai, Inc.

New York City, NY

Full-time

Expired Jun 25, 2026

Remote

$375k-450k

Degree Required

3 months ago

Expired

Staff Software Engineer, Attack

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jun 25, 2026

Python

Rust

Senior

+2 more

3 months ago

Expired

Field & Channel Marketing Manager EMEA

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expired Jun 23, 2026

Remote

3 months ago

Expired

Enterprise Account Executive, Melbourne

Horizon3.ai, Inc.

Melbourne, Australia

Full-time

Expired Jun 23, 2026

Remote

$390k-490k

3 months ago

Expired

Mid-Market Account Executive, Sydney

Horizon3.ai, Inc.

Sydney, Australia

Full-time

Expired Jun 23, 2026

Mid-level

Remote

$250k-350k

3 months ago

Expired

Mid-Market Account Executive, Melbourne

Horizon3.ai, Inc.

Melbourne, Australia

Full-time

Expired Jun 23, 2026

Mid-level

Remote

$250k-350k

3 months ago

Expired

Senior/Staff Product Manager, Offense

Horizon3.ai, Inc.

New York City, NY

Full-time

Expired Jun 23, 2026

Go

Product Management

Senior

+3 more

3 months ago

Expired

Manager, Commercial Sales

Horizon3.ai, Inc.

Chicago, Illinois

Full-time

Expired Jun 23, 2026

Remote

$230k-260k

3 months ago

Expired

Office Operations Manager, Chicago

Horizon3.ai, Inc.

Chicago, Illinois

Full-time

Expired Jun 23, 2026

Remote

$110k-120k

3 months ago

Expired

Enterprise Account Executive, Twin Cities Minnesota

Horizon3.ai, Inc.

Minnesota

Full-time

Expired Jun 23, 2026

Remote

$280k-340k

3 months ago

Expired

Sales Development Representative

Horizon3.ai, Inc.

Melbourne, Australia

Full-time

Expired Jun 21, 2026

Remote

3 months ago

Expired

Director, Mid-Enterprise Sales, TOLA

Horizon3.ai, Inc.

Texas

Full-time

Expired Jun 21, 2026

Mid-level

Remote

$325k-375k

+1 more

3 months ago

Expired

Payroll Administrator

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jun 18, 2026

Remote

$68k-76k

Degree Required

3 months ago

Expired

Commercial Sales Engineer

Horizon3.ai, Inc.

Chicago, Illinois

Full-time

Expired Jun 16, 2026

Remote

$140k-160k

3 months ago

Expired

Senior Attack Engineer, AWS SME

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jun 14, 2026

Python

DynamoDB

AWS

+5 more

3 months ago

Expired

Senior Marketing Campaign Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jun 14, 2026

Senior

Remote

$150k-185k

3 months ago

Expired

Account Executive (MSSP) East

Horizon3.ai, Inc.

US, Remote

Full-time

Expired Jun 14, 2026

Remote

$250k-280k

3 months ago