
51 - 200 employees
Founded 2019
🔒 Cybersecurity
🤖 Artificial Intelligence
☁️ SaaS
Cybersecurity • Artificial Intelligence • SaaS
Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.
🔥 12 hours ago
🇺🇸 United States – Remote
💵 $199k - $235k / year
⏰ Full Time
🟠 Senior
💻 Solutions Engineer
👻 Ghost score 20%
Where this job comes from
Posted on Horizon3.ai's careers page, not through a job board
First seen by Remote Rocketship 12 hours ago
Still open on Horizon3.ai's site. Checked 45 minutes ago.

51 - 200 employees
Founded 2019
🔒 Cybersecurity
🤖 Artificial Intelligence
☁️ SaaS
Cybersecurity • Artificial Intelligence • SaaS
Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.
• Design, build, and operate backend services and workflows that provision customer accounts and assets and activate product entitlements • Own projects from technical design through testing, release, observability, and production support • Build reliable asynchronous workflows with safe retries, idempotency, error handling, and recovery from partial failures • Improve monitoring and troubleshooting for provisioning and activation; investigate failures and address root causes • Partner with licensing, administration, Product, and customer-facing teams to deliver a consistent path from purchase to product activation • Write tests, design documentation, runbooks, and operational guidance • Use rollout practices that support safe changes • Contribute to design and code reviews • Support teammates through technical problem solving
• Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience • 7+ years of professional software engineering experience building and operating backend services • Experience designing APIs, data models, or distributed workflows for production systems • Strong SQL and relational database experience • Experience with a cloud platform such as AWS, GCP, or Azure • Experience with Docker or other containerized applications • Strong foundation in testing and production operations • Ability to own complex work, communicate clearly, and collaborate across engineering and Product teams • Experience with customer onboarding, account provisioning, purchase or subscription events, or product activation workflows • Experience with event-driven systems, queues, workflow orchestration, retries, idempotency, or failure recovery • Experience with entitlements, multi-tenant SaaS, partner channels, or product-led growth workflows • Experience with Python or Go, PostgreSQL, GraphQL, AWS, Kubernetes, Temporal, Prefect, or similar tools • Experience improving service observability with Datadog, Prometheus, OpenTelemetry, or comparable tools
• Equity package in the form of stock options for all full-time roles • Career development opportunities • Collaborative environment encouraging creativity and out-of-the-box thinking • Health, vision and dental insurance for you and your family • Flexible vacation policy • Generous parental leave • Fully remote work model • Up to 5% travel may be required
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