About the job
About Horizon3.ai
Horizon3.ai is a cybersecurity company focused on helping organizations find and fix security risks before attackers do. The team has built NodeZero™, a platform for autonomous penetration testing and attacker-focused validation. NodeZero™ works safely in production and covers internal, external, cloud, and hybrid environments.
Who We Are
Horizon3.ai brings together former U. S. Special Operations cyber operators, startup engineers, and cybersecurity professionals. The company values respect, collaboration, ownership, and results. The team aims to remove ineffective tools, reduce alert fatigue, and move beyond "checkbox security."
Role Overview: Commercial Sales Engineer (Chicago, Illinois)
This Commercial Sales Engineer role is based in Chicago, Illinois. The position is customer-facing and suited for someone eager to learn and grow. The role involves supporting organizations as they modernize their security practices.
What You’ll Do
- Engage directly with customers to understand their security needs
- Help organizations adopt and implement the NodeZero™ platform
- Work alongside sales and technical teams to deliver solutions
- Contribute to a high-growth environment where ownership and results matter
What We Look For
- Ambition and motivation to make a difference in cybersecurity
- Interest in learning new technologies and approaches
- Experience or interest in customer-facing roles
- Comfort working in a collaborative, high-growth setting

