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Jobs at Horizon3

172 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.

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Mid-Enterprise Account Executive, NorCal
4 months ago
Horizon3 · United States
RemoteFull-timeMid level$200K – $250K a yearSales
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. Our flagship product, the NodeZeroTM platform, delivers production-safe…
Senior Software Engineer, Browser Automation
4 months ago
Horizon3 · United States
RemoteFull-timeSenior$199K – $235K a yearEngineering
We're building an autonomous, black-box web application penetration tester. It crawls and attacks real production websites the way a skilled human pentester would, finding broken access control, injection, XSS, and more, under a strict production-safe, no-false-positives…
Commercial Account Executive, Chicago
4 months ago
Horizon3 · Chicago, Illinois, United States
HybridFull-timeEntry level$130K – $150K a yearSales
Own the full sales cycle from qualification to POV, negotiation, and close for commercial accounts.; Drive new business through a mix of outbound and partner‑sourced opportunities.; Run high‑velocity sales cycles, managing 20–60 opportunities at once with precision and…
Federal Backend Engineer
5 months ago
Horizon3 · United States
RemoteFull-timeEngineering
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 flagship product, the NodeZeroTM platform, delivers production-safe…
Enterprise Account Executive, Chicago
6 months ago
Horizon3 · Chicago, Illinois, United States
RemoteFull-timeSenior$300K – $350K a yearSales
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. Our flagship product, the NodeZeroTM platform, delivers production-safe…
Director of Enterprise Sales, Northeast
6 months ago
Horizon3 · New York, United States
HybridFull-timeDirector$375K – $450K a yearSales
Execute Regional Strategy: Develop and execute a comprehensive regional sales strategy focused on landing new logos, expanding existing accounts, and driving consistent revenue growth.; Lead & Coach: Hire, lead, coach, and mentor a team of Account Executives, ensuring…
Mid-Enterprise Account Executive, Ohio Valley
6 months ago
Horizon3 · United States
RemoteFull-timeMid level$200K – $250K a yearSales
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. Our flagship product, the NodeZeroTM platform, delivers production-safe…
Commercial Sales Engineer
6 months ago
Horizon3 · Chicago, Illinois, United States
RemoteFull-timeEntry level$120K – $155K a yearSales
Work with Cutting-Edge Technology – Gain hands-on experience with NodeZero, an autonomous pentesting platform changing the cybersecurity landscape.; Learn from Industry Experts – Partner with experienced Account Executives, Sales Engineers, Customer Success leaders, and…
Staff Attack Engineer, AI/LLM
7 months ago
Horizon3 · United States
RemoteFull-timeLead / staff$235K – $275K a yearEngineering
We are hiring a Staff Attack Engineer specializing in AI/LLM security to join our team. You will break AI and agentic systems and turn that research into automated attacks inside NodeZero, our autonomous pentesting platform.
Enterprise Account Executive, NYC
8 months ago
Horizon3 · New York, United States
RemoteFull-timeSenior$300K – $380K a yearSales
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. Our flagship product, the NodeZeroTM platform, delivers production-safe…
Sales Development Representative, Chicago
11 months ago
Horizon3 · Chicago, Illinois, United States
HybridFull-time$80K – $90K a yearSales
Horizon3 is a fast-growing, cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix, and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe…
Senior Back End Engineer
17 months ago
Horizon3 · United States
RemoteFull-timeSenior$170K – $235K a yearEngineering
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 flagship product, the NodeZeroTM platform, delivers production-safe…

Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.