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.

Director, Mid-Enterprise Sales, TOLA

Horizon3.ai, Inc.

Texas

Full-time

Expires Jun 21, 2026

Mid-level

Remote

$325k-375k

+1 more

3 hours ago

Sales Development Representative

Horizon3.ai, Inc.

Melbourne, Australia

Full-time

Expires Jun 21, 2026

Remote

3 hours ago

Payroll Administrator

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 18, 2026

Remote

$68k-76k

Degree Required

3 days ago

Commercial Sales Engineer

Horizon3.ai, Inc.

Chicago, Illinois

Full-time

Expires Jun 16, 2026

Remote

$140k-160k

5 days ago

Senior Attack Engineer, AWS SME

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 14, 2026

Python

DynamoDB

AWS

+5 more

7 days ago

Senior Marketing Campaign Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 14, 2026

Senior

Remote

$150k-185k

7 days ago

Account Executive (MSSP) East

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 14, 2026

Remote

$250k-280k

7 days ago

Senior Engineering Manager, Integrations & APIs

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 10, 2026

Python

Java

PostgreSQL

+6 more

11 days ago

Staff Attack Engineer, AI/LLM

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 10, 2026

Python

Neo4j

AWS

+5 more

11 days ago

Director, Engineering, Proactive Offense

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 8, 2026

Python

PostgreSQL

Neo4j

+5 more

13 days ago

Director Mid-Enterprise Sales, Northeast

Horizon3.ai, Inc.

New York City, NY

Full-time

Expires Jun 8, 2026

Mid-level

Remote

$325k-375k

+1 more

13 days ago

Technical Recruiter

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 8, 2026

Design

Remote

$89k-185k

13 days ago

Sales Engineer (Central)

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 6, 2026

Remote

$220k-260k

Degree Required

15 days ago

Senior Attack Engineer, Offensive Tooling

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 6, 2026

Python

Rust

Linux

+3 more

15 days ago

Channel Sales Engineer

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 4, 2026

AWS

Azure

GCP

+3 more

17 days ago

Director, Global Sales Operations

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Jun 2, 2026

Remote

$210k-240k

19 days ago

Technical Support Engineer, EMEA

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires May 31, 2026

Python

FastAPI

PostgreSQL

+4 more

21 days ago

Mid-Enterprise Account Executive, Ohio Valley

Horizon3.ai, Inc.

US, Remote

Full-time

Expires May 31, 2026

Mid-level

Remote

$180k-240k

21 days ago

Manager, Attack Engineering

Horizon3.ai, Inc.

US, Remote

Full-time

Expires May 31, 2026

Python

AWS

Azure

+4 more

21 days ago

Senior Engineering Manager, User Platform & Enterprise

Horizon3.ai, Inc.

US, Remote

Full-time

Expires May 27, 2026

Python

Java

PostgreSQL

+5 more

25 days ago

Senior Sales Development Representative - France

Horizon3.ai, Inc.

Amsterdam, Netherlands

Full-time

Expires May 24, 2026

Senior

Remote

28 days ago

Partner Business Manager (MSP)

Horizon3.ai, Inc.

EMEA, Remote

Full-time

Expires May 23, 2026

Remote

29 days ago

Senior Manager, Public Relations and Communications

Horizon3.ai, Inc.

US, Remote

Full-time

Expires May 22, 2026

Senior

Remote

$170k-210k

+1 more

1 month ago

Senior/Staff Product Manager, MSP

Horizon3.ai, Inc.

San Francisco, California

Full-time

Expires May 9, 2026

Product Management

Senior

Remote

+2 more

1 month ago

Senior Marketing Operations & Analytics Manager

Horizon3.ai, Inc.

US, Remote

Full-time

Expires May 9, 2026

Senior

Remote

$166k-185k

1 month ago

Sales Engineer (West Coast)

Horizon3.ai, Inc.

US, Remote

Full-time

Expires May 6, 2026

Remote

$220k-260k

Degree Required

2 months ago

Enterprise Account Executive, NYC

Horizon3.ai, Inc.

New York City, NY

Full-time

Expires May 6, 2026

Remote

$300k-380k

2 months ago

Staff Product Designer

Horizon3.ai, Inc.

San Francisco, California

Full-time

Expires May 3, 2026

JavaScript

Design

Senior

+2 more

2 months ago

⏰ EXPIRES SOON

Account Executive (MSSP) Central

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Apr 28, 2026 (Soon)

Remote

$200k-220k

2 months ago

⏰ EXPIRES SOON

Senior Engineering Manager, Precision Defense

Horizon3.ai, Inc.

US, Remote

Full-time

Expires Apr 26, 2026 (Soon)

Python

Java

PostgreSQL

+6 more

2 months ago