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Horizon3 AI

Remote Job Openings at Horizon3 AI (20)

Staff Defensive Security Software Engineer

United States $240K - $270K per year 5-10 yrs exp Software Development

You will design, prototype, and ship security capabilities for the NodeZero platform, focusing on deception technologies like honeytokens and tripwires. You will also provide technical leadership by mentoring engineers and translating ambiguous product goals into concrete technical roadmaps.

Federal Software Engineer, Attack

United States 2-5 yrs exp Software Development

The role focuses on developing attack content and enhancing data model architecture for the NodeZero platform. The engineer will collaborate across teams to improve scalability and resolve product bugs while maintaining high software quality.

Federal Platform Engineer

United States 5-10 yrs exp Software Development

Lead the deployment and operation of product infrastructure across various federal AWS environments, including FedRAMP and classified workloads. Design and implement scalable, secure cloud-native platforms and automation tooling to improve developer efficiency and telemetry collection.

Senior Federal Technical Support Engineer

United States $102K - $126K per year 5-10 yrs exp Software Development

Provide advanced technical support for enterprise customers, focusing on diagnosing and resolving complex issues within FedRAMP and DoD cloud environments. Collaborate with cross-functional teams to perform root cause analysis and optimize customer infrastructure using IaC and containerization.

Enterprise Account Executive, Houston

United States $300K - $350K per year 5-10 yrs exp Sales

Drive sales growth and expand the customer base by acquiring new accounts and building strong relationships within the cybersecurity sector. Manage the full sales lifecycle from qualification and proof of value to negotiation and deal closure.

Mid-Enterprise Account Executive, NorCal

United States $180K - $240K per year 2-5 yrs exp Sales

Drive sales growth and expand the customer base by acquiring new accounts and building strong relationships within the cybersecurity sector. Manage the full sales lifecycle from qualification and product demos to negotiation and post-sales ROI processes.

Senior Software Engineer, Browser Automation

United States $169K - $208K per year 5-10 yrs exp Software Development

Develop and harden a browser automation and crawling engine to discover and interact with target web applications for autonomous penetration testing. Balance deterministic automation with LLM-driven navigation to map attack surfaces reliably and at scale.

Senior Product Marketing Manager, WebApp

United States $148K - $182K per year 5-10 yrs exp Product

Lead the end-to-end go-to-market strategy, messaging, and positioning for the NodeZero WebApp Pentesting product line. Partner with Product and Engineering teams to translate complex offensive security capabilities into high-impact market narratives and sales enablement tools.

WebApp Offensive Security Engineer

United States $196K - $242K per year 5-10 yrs exp Software Development

Perform full-scope web application penetration tests on live customer environments to identify coverage gaps in the NodeZero platform. Collaborate with software engineers to translate manual findings into automated product capabilities and durable detection logic.

Senior Sales Engineer, Spain & Italy

Italy, Spain 5-10 yrs exp Sales

Support Account Executives in the Spanish and Italian markets by providing technical expertise and product demonstrations. Act as a bridge between customers and product teams to refine solutions and improve the NodeZero platform.

Senior Sales Engineer, Singapore

Singapore 5-10 yrs exp Sales

The role involves conducting technical product demonstrations and proof of concepts to help prospects understand the value of cybersecurity solutions. Additionally, the position acts as a bridge between customers and product teams to refine solutions and provide technical training to the sales team.

Channel Field Marketing Manager

United States $110K - $145K per year 2-5 yrs exp Marketing

Build and scale co-marketing programs with channel partners across the Americas to drive partner-sourced and influenced pipeline. Manage the end-to-end co-marketing motion, including MDF budget management, joint program design, and ROI tracking.

Enterprise Account Executive, Chicago

United States $280K - $340K per year 5-10 yrs exp Sales

The Enterprise Account Executive is responsible for driving sales growth and expanding the customer base within the cybersecurity technology sector. This role involves managing the full sales cycle, from qualification and proof of value to deal closure, while nurturing key Channel Partner relationships.

Staff Product Designer

United States $200K - $220K per year 10+ yrs exp Design

The Staff Product Designer will be responsible for expanding the portfolio of autonomous pentesting solutions by transforming complex technical concepts into intuitive product experiences through research, sketching, and prototyping using tools like Figma. This role involves close collaboration with customers, engineers, and product management to ensure designs meet user needs, security standards, and technical constraints.

SMB Account Executive, Chicago

United States $130K - $150K per year 2-5 yrs exp Sales

As an Inside Sales / SMB Account Executive, you will own the full sales cycle for SMB accounts, responsible for acquiring new customers and expanding existing relationships. You will partner closely with various teams to drive efficient growth and maintain pipeline hygiene in Salesforce.

Mid-Enterprise Account Executive, Ohio Valley

United States $180K - $240K per year 5-10 yrs exp Sales

The Mid-Enterprise Account Executive is responsible for driving sales growth and expanding the customer base in the cybersecurity technology sector. This includes acquiring new accounts, building customer relationships, and ensuring customer satisfaction and retention.