Jobs at Horizon3.ai (Now Hiring) — 56 open — Page 2

Senior Commercial Account Executive, France

Amsterdam, North Holland, Netherlands · Hybrid

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, cybersecurity company dedicated to the mission of enabling organisations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our fla…

Skills: Cybersecurity sales, Commercial sales, Mid-market sales, Account management, Partner management

Senior Sales Engineer, DACH Channel

Germany · Remote Solely

$160k–$190k/yr

Senior$179M raised

Get to Know Us Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit the…

Skills: Partner Enablement, Pre-Sales, Offensive Security, Penetration Testing, Vulnerability Management

Principal Engineer, Tech Lead - Integrations & APIs

United States · Remote OK

$213k–$273k/yr

Senior+$179M raised

Get to Know Us Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Software Architecture, API Design, Distributed Systems, Backend Development, Technical Leadership

Senior Federal Field Marketing Manager

United States · Remote OK

$149k–$185k/yr

Senior$179M raised

Get to Know Us Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. …

Skills: B2B Field Marketing, Federal Market Strategy, Pipeline Generation, Channel Co-Marketing, Budget Management

Senior Engineering Manager, Site Reliability

United States · Remote OK

$260k–$280k/yr

Senior+$179M raised

Get to Know Us Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit the…

Skills: Site Reliability Engineering, Incident Management, Observability, Cloud Infrastructure, People Management

Salesforce Systems Architect

United States · Remote OK

$160k–$210k/yr

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Salesforce Architecture, Platform Governance, Salesforce Flow, Security Compliance, Change Management

Senior Manager, Attack Engineering

United States · Remote OK

$235k–$280k/yr

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Offensive Security, Attack Engineering, Red Teaming, Python, SaaS Security

Systems Operations Administrator, Pre-Sales

United States · Remote OK

$100k–$140k/yr

Mid level$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Salesforce Administration, Chili Piper, Lead Routing, Account Routing, Revenue Operations

Staff Data Governance Administrator

United States · Remote OK

$160k–$210k/yr

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Data Governance, Salesforce Administration, Revenue Operations, Data Architecture, Stakeholder Management

Senior Sales Engineer (Tri-State)

United States · Remote Solely

$220k–$260k/yr

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Sales Engineering, Solutions Architecture, Cybersecurity Fundamentals, Vulnerability Management, Proof of Value (PoV)

Senior Legal, Privacy & Export Compliance

United States · Remote OK

$153k–$162k/yr

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. Our…

Skills: Export Compliance, Privacy Operations, Data Protection, Contract Management, Denied Party Screening

Staff Revenue Operations Manager

United States · Remote OK

$170k–$210k/yr

Senior+$179M raised

Get to Know Us Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit the…

Skills: Sales Operations, Revenue Operations, Salesforce, Forecasting, Capacity Planning

Senior Engineering Manager, Clients Team

United States · Remote OK

$260k–$280k/yr

Senior+$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Engineering Management, Docker, Go, Python, C++

Senior Technical Alliances Manager

United States · Remote OK

$150k–$167k/yr

Senior+$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Technology Alliances, Partner Management, Go-To-Market Strategy, Technical Integrations, Cybersecurity

Enterprise Account Executive, Houston

Texas, United States · Remote OK

$300k–$350k/yr

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Cybersecurity Sales, Channel Partner Management, Sales Forecasting, Deal Negotiation, CRM Management

Enterprise Account Executive, Japan

Melbourne, Victoria, Australia · Remote OK

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organisations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Cybersecurity Sales, Channel Partner Management, Sales Process Management, Pipeline Forecasting, Deal Negotiation

Senior Sales Engineer, Japan

Japan · Remote OK

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Pre-Sales Engineering, Solutions Architecture, Cybersecurity, Product Demonstrations, Proof of Concept

Staff Technical Recruiter

United States · Remote Solely

$120k–$205k/yr

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. Our…

Skills: Full-cycle Recruiting, Technical Sourcing, Candidate Negotiation, Pipeline Building, Technical Acumen

Mid-Enterprise Account Executive, Houston

Texas, United States · Remote Solely

$200k–$250k/yr

Mid level$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Cybersecurity Sales, Channel Partner Management, Sales Process Management, Pipeline Forecasting, Product Demonstration

FP&A Manager, Product & Engineering

United States · Remote OK

$150k–$185k/yr

Senior$179M raised

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. …

Skills: Financial Planning And Analysis, Budgeting, Forecasting, Headcount Planning, Financial Modeling

About Horizon3.ai

AI-Native Proactive Security

Industry
Computer and Network Security
Company size
201-500 employees
Founded
2019
Headquarters
San Francisco, CA
LinkedIn followers
32,215
Total funding
$179M

Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up? And, how do we withstand the onslaught of AI-powered attacks? Horizon3.ai’s NodeZero® shifts the advantage from attackers to defenders by giving organizations the power to fight AI with AI. The Proactive Security Platform autonomously tests your defenses at machine speed, safely finds and prioritizes exploitable attack paths, instantly verifies fixes, and drives a continuous loop so you can prove you’re resilient, not just hope you are. NodeZero, the World’s Best AI Hacker™, was built by an elite team of U.S. cyber veterans and has honed its skills over 225K production-safe tests, more than all manual pentests in history. More than 5,000 organizations including the NSA, CISA, Fortune 100 giants, and major healthcare providers trust Horizon3.ai to prioritize what matters and prove they’re ready for what’s next. Horizon3.ai has been recognized by Fast Company as one of the World’s Most Innovative Companies in 2026. The company ranked #3 overall on the 2025 Deloitte Technology Fast 500 and was named the #1 cybersecurity company on the Inc. 5000 in 2025. It has also been named to the Fortune Cyber 60 in both 2023 and 2025 and is a two-time Black Unicorn Award winner.

Offices: San Francisco, CA 94118, US · Durham, NC 27701, US

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View all jobs at Horizon3.ai