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Co-Founder & CEO

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Horizon3.ai Names Matthew Schaner VP of Americas Sales

Horizon3.ai Establishes European Headquarters In The Netherlands To Accelerate Cybersecurity Innovation

Ridge Ventures - Portfolio

SimpleHelp RMM flaw could give attackers full access to managed endpoints (CVE-2026-48558)

Senior Engineering Manager, Clients Team

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find and fix exploitable attack vectors. The Senior Engineering Manager will lead the Client team responsible for software shipped into customer environments, focusing on managing workflows, shipping software, and building a strong engineering team.

Senior Manager, Recruiting Operations

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to proactively addressing security vulnerabilities. They are seeking a Senior Manager of Recruiting Operations to enhance their People Operations by improving systems and processes, ensuring an exceptional employee experience as the company scales.

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find and fix exploitable attack vectors. The Senior Engineering Manager will lead the Client team responsible for software shipped into customer environments, manage CI/CD workflows, and build a strong engineering team.

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors. They are seeking a Senior Manager of Recruiting Operations to build scalable, efficient, and employee-centric programs while overseeing the recruiting function and enhancing the overall candidate experience.

Senior Manager, Customer Success

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors. They are seeking a mission-driven Manager of Customer Success to lead a high-performing team of Customer Success Managers, ensuring customers realize value from their product and driving performance across the team.

Commercial Sales Engineer

Horizon3.ai is a fast-growing cybersecurity company on a mission to help organizations proactively find, fix, and verify exploitable attack vectors. They are seeking an ambitious Commercial Sales Engineer who will work with cutting-edge technology and collaborate with experienced professionals to drive sales growth and enhance customer experiences.

Horizon3.ai is a fast-growing cybersecurity company on a mission to help organizations proactively find, fix, and verify exploitable attack vectors before adversaries exploit them. They are seeking an ambitious Commercial Sales Engineer who is excited to learn quickly and work with cutting-edge technology while helping organizations modernize their security programs.

Customer Success Manager

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find and fix exploitable attack vectors. The Customer Success Manager will play a key role in scaling the post-sales experience, serving as a strategic advisor to high-value customers and collaborating with various teams to drive adoption and growth.

Regional Sales Manager, UK Public Sector

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find and fix exploitable attack vectors. They are seeking a Regional Sales Manager for the UK Public Sector to drive sales growth, acquire new accounts, and build strong relationships within local government and healthcare institutions.

Mid-Enterprise Account Executive

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find and fix exploitable attack vectors. The Mid-Enterprise Account Executive will be responsible for driving sales growth, expanding the customer base in the cybersecurity technology sector, and building strong customer relationships.