OptiTalent · Job Finder
Jobs at Horizon3
172 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
121–140 of 172 jobs
Enterprise Account Executive, France
5 weeks agoHorizon3 · France
RemoteFull-timeSenior€240K – €280K a yearSalesHorizon3 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/Staff Site Reliability Engineer
6 weeks agoHorizon3 · United States
RemoteFull-timeLead / staff$199.8K – $270K a yearEngineeringHorizon3 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…
Senior/Staff Developer Experience Engineer
6 weeks agoHorizon3 · United States
RemoteFull-timeLead / staff$199.8K – $270K a yearEngineeringWe are looking for a Senior OR Staff Developer Experience Engineer to help shape how Horizon3 engineers build, test, release, and operate software.
Senior/Staff Platform Engineer
6 weeks agoHorizon3 · United States
RemoteFull-timeLead / staff$199.8K – $270K a yearEngineeringWe are looking for a Senior OR Staff Platform Engineer to join Horizon3’s Internal Platform Team (IPT) and shape the cloud and delivery foundations behind NodeZero.
Horizon3 · Amsterdam, Netherlands
HybridFull-timeSenior€70K – €85K a yearSalesHorizon3 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…
Horizon3 · United States
RemoteFull-timeSenior$195K – $230K a yearEngineeringWe're hiring a Senior Detection Engineer to be the blue team voice inside the Autonomous Defense team. You'll sit between Product and Engineering as the person who defines what "correct" means. When an attack technique is detected, you decide what remediation that claim…
Federal Sales Engineer, DoW
7 weeks agoHorizon3 · Washington, District of Columbia, United States
RemoteFull-timeSenior$230K – $270K a yearSalesHorizon3 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…
Federal Sales Engineer, CIV
7 weeks agoHorizon3 · Washington, District of Columbia, United States
Full-timeSenior$230K – $270K a yearSalesHorizon3 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…
Enterprise Account Executive, Wisconsin
7 weeks agoHorizon3 · United States
RemoteFull-timeSenior$300K – $350K a yearSalesHorizon3 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…
Enterprise Account Executive, Italy
7 weeks agoHorizon3 · Italy
RemoteFull-timeSenior€240K – €270K a yearSalesHorizon3.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. Our flagship product, the NodeZeroTM platform, delivers production-safe…
Senior Executive Assistant, CRO
7 weeks agoHorizon3 · Washington, District of Columbia, United States
HybridFull-timeExecutive$150K – $170K a yearAdministrationHorizon3 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…
Enterprise Account Executive, Los Angeles
7 weeks agoHorizon3 · United States
RemoteFull-timeSenior$300K – $350K a yearSalesHorizon3 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…
Horizon3 · United States
RemoteFull-timeSenior$211K – $249K a yearData & AIAs a Senior Machine Learning Engineer on the Autonomous Defense team, you'll be the person who gets our defensive models into production and keeps them there. Our AI researchers define how NodeZero's agents should reason. You build the pipelines, serve infrastructure, and…
Senior Backend Engineer, Autonomous Defense
7 weeks agoHorizon3 · United States
RemoteFull-timeSenior$170K – $235K a yearEngineeringAs a Senior Backend Engineer on the Autonomous Defense team, you'll build the platform that NodeZero's defensive agents run on. Our AI researchers define what these agents should reason about, you build the systems that make that work in production, across thousands of customer…
Applied AI Engineer, Autonomous Defense
7 weeks agoHorizon3 · United States
RemoteFull-timeMid level$313K – $369K a yearData & AIWe're looking for an AI Researcher to build the agents that turn our offensive knowledge into defensive action.
Horizon3 · United States
RemoteFull-timeLead / staff$255K – $300K a yearEngineeringWe are hiring a Principle Software Engineer to lead the technical work for NodeZero's defensive agents: the systems that translate proven attack paths into continuous actionable remediation.
Enterprise Account Executive, KSA
7 weeks agoHorizon3 · Saudi Arabia
RemoteFull-timeSenior€240K – €270K a yearSalesHorizon3.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. Our flagship product, the NodeZeroTM platform, delivers production-safe…
Commercial Account Executive, DC
8 weeks agoHorizon3 · Washington, District of Columbia, United States
Full-timeEntry level$130K – $150K a yearSalesOwn 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…
Senior Sales Engineer (Colorado/Missouri)
2 months agoHorizon3 · United States
RemoteFull-timeSenior$240K – $270K a yearSalesHorizon3 is redefining how organizations defend themselves against modern cyber threats. Our autonomous security platform, NodeZero, helps companies proactively find and fix vulnerabilities before attackers do.
Sales Engineer (Northeast)
2 months agoHorizon3 · United States
RemoteFull-timeSenior$195K – $270K a yearSalesHorizon3 is redefining how organizations defend themselves against modern cyber threats. Our autonomous security platform, NodeZero, helps companies proactively find and fix vulnerabilities before attackers do.
Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.