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Horizon3

27 jobs

Posted Sort

27 jobs Posted Sort

Federal Backend Engineer

NewBe an early applicant RemoteNorth AmericaFull-timeMiddle

Senior backend engineer on Horizon3's federal team building core product features: GraphQL APIs and ETL pipelines for data processing, deployed on cloud platforms with containers. Requires a US Top Secret security clearance (or eligibility) and experience with FedRAMP/IL4/5/6-classified systems.

Agile AI Analytics API AWS +16 skills

Staff Front End Software Engineer

NewBe an early applicant RemoteNorth AmericaFull-timeStaff

Staff engineer on the Core Front-End team for Horizon3's NodeZero platform, driving front-end architecture, design systems, shared tooling, and cross-team standards while contributing hands-on production code. Stack: React, TypeScript, GraphQL, GitLab, AWS; fully remote within the US.

Accessibility AI API AWS CI/CD +10 skills

200K – 260K $

Senior Marketing Operations & Analytics Manager

NewBe an early applicant RemoteNorth AmericaFull-timeSenior

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…

AI Analytics Cloud Cybersecurity Data Quality +9 skills

Senior Software Engineer (Data Ingestion)

NewBe an early applicant RemoteNorth AmericaFull-timeSenior

The Sr. Software Engineer on the Data Ingestion team builds and maintains the pipelines that transform raw pentest output into structured, queryable data across the NodeZero platform. NodeZero runs thousands of…

Analytics AWS Cloud Cybersecurity Data Ingestion +11 skills

Software Engineer (API Platform)

RemoteNorth AmericaFull-timeLead

The Software Engineer on the API Platform team helps build the internal API layer that connects NodeZero’s services and powers the interfaces that customers and integrations rely on. API Platform owns the gateway, the…

API Api Design Authentication Cloud Cloud Native +15 skills

Senior / Staff Site Reliability Engineer

RemoteNorth AmericaFull-timeStaff

We are seeking a hands-on Senior OR Staff Site Reliability Engineer to own and evolve the reliability strategy, operating model, and engineering-wide standards supporting our platform This is a foundational role for an…

Argo CD Automation AWS CI/CD Datadog +10 skills

Senior Revenue Operations Program Manager

North AmericaSenior

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…

Cloud Cybersecurity

Staff Developer Experience Engineer (Developer Experience)

RemoteNorth AmericaFull-timeStaff

We are looking for a Senior OR Staff Developer Experience Engineer to help shape how Horizon3 engineers build, test, release, and operate software The Developer Experience team owns the foundations connecting local…

Agentic AI AI Argo CD Automation AWS +22 skills

Staff Software Engineer (Autonomous Defense)

RemoteNorth AmericaFull-timeStaff

We are hiring a Staff Software Engineer to lead the technical work for NodeZero’s defensive agents: the systems that translate proven attack paths into continuous actionable remediation You’ll set direction alongside…

Agentic AI AI API AWS Azure +21 skills

Senior Backend Engineer (Autonomous Defense)

RemoteNorth AmericaFull-timeSenior

As a Senior Backend Engineer on the Defensive Agent 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…

Agentic AI AI API AWS Azure +25 skills

Senior/Staff Platform Engineer

RemoteNorth AmericaFull-timeStaff

We 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 You will lead complex, cross-team initiatives; define…

API Automation AWS CI/CD Cloud +20 skills

Senior Channel Field Marketing Manager, META

MENAFull-timeSenior

United Arab Emirates

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.…

Asana Cloud Cloud Security Cybersecurity Demand Generation +4 skills

Applied AI Engineer (Autonomous Defense)

RemoteNorth AmericaFull-time

We’re looking for an AI Researcher to build the agents that turn our offensive knowledge into defensive action You’ll build agents that reason from a proven attack path to the specific control changes that break it -…

Agentic AI AI API Automation AWS +23 skills

Staff Developer Experience Engineer

Open 20d North AmericaStaff

Staff-level role focused on developer productivity and platform engineering. The engineer defines technical direction for CI/CD, build systems, and developer tooling using Go, Python, and Kubernetes to streamline the software lifecycle for the NodeZero cybersecurity platform.

Cloud Cybersecurity

200K – 270K $

Senior Product Marketing Manager, Internal & Cloud Pentesting

RemoteNorth AmericaFull-timeSenior

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company on a mission to shift the advantage from attackers to defenders. Our flagship product, the NodeZero® platform, autonomously executes real attack…

Active Directory Analytics AWS Azure Cloud +11 skills

Senior Machine Learning Engineer (Autonomous Defense)

RemoteNorth AmericaFull-timeSenior

As a Senior Machine Learning Engineer on the Defensive Agent 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.…

Agentic AI AI AWS Azure Cloud +20 skills

Senior Technical Support Engineer (EMEA)

RemoteEuropeFull-timeSenior

In this role, you will serve as a key technical resource for our enterprise customers, diagnosing and resolving complex issues related to cloud infrastructure, networking, and security You’ll collaborate with…

Active Directory Ansible API Authentication Automation +35 skills

Senior Back-End Engineer (Data & App Platform)

RemoteNorth AmericaFull-timeSenior

The Pentest Data Platform team owns how NodeZero turns raw pentest telemetry into the findings, attack paths, reports, and insights our customers act on. As Horizon3 has grown in both customer count and customer size.…

Airflow API AWS Cloud Cybersecurity +20 skills

Senior/Staff Data Engineer

RemoteNorth AmericaFull-timeStaff

We are seeking a Senior or Staff Data Engineer to design, build, and own the data platform underneath our business-critical pipelines Today the team supports account provisioning, product analytics, and the pipelines…

Airflow Analytics AWS Aws Glue Cloud +17 skills

Senior Backend Engineer (Precision Defense)

RemoteNorth AmericaFull-timeSenior

As a Senior Backend Engineer on the Precision Defense team, you’ll help build the systems that move our customers from reactive security toward proactive, evidence-based defense The team operates across three closely…

Agile API Automation AWS Azure +20 skills