Commercial Sales Engineer
About The Position
Horizon3.ai is a fast-growing cybersecurity company on a mission to help organizations proactively find, fix, and verify exploitable attack vectors before adversaries exploit them. Our flagship platform, NodeZero™, delivers production-safe autonomous pentesting and attacker-centric validation across internal, external, cloud, and hybrid environments. We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and cybersecurity practitioners who were tired of ineffective tools, alert fatigue, blind spots, and “checkbox security.” We operate with a culture of respect, collaboration, ownership, and results, and we’re looking for sellers who thrive in fast-moving, high-growth environments. We’re looking for an ambitious Commercial Sales Engineer who is early in their career and excited to learn quickly, work with cutting-edge technology, and make an impact in a customer-facing role. This is a great opportunity to accelerate your career while helping growing organizations modernize their security programs. Why This Role is Exciting Work with Cutting-Edge Technology – Gain hands-on experience with NodeZero, an autonomous pentesting platform changing the cybersecurity landscape. Learn from Industry Experts – Partner with experienced Account Executives, Sales Engineers, Customer Success leaders, and security professionals who will invest in your growth. Fast Career Growth – Build the technical, business, and customer-facing skills that can quickly accelerate your Sales Engineering career. Make Immediate Impact – Help customers solve real security challenges and directly influence revenue growth. Join a High-Energy Team – Be part of a collaborative, mission-driven company reshaping offensive security.
Requirements
- 1–4 years of experience in Sales Engineering, Customer Success, Technical Account Management, or another customer-facing technical role
- Strong interest in cybersecurity and desire to build a long-term career in the space
- Excellent communication skills with the ability to simplify technical topics
- High curiosity, coachability, and eagerness to learn
- Ability to thrive in a fast-paced, high-growth environment
- Based in Chicago or open to relocating there
Responsibilities
- Support Commercial Sales Growth
- Partner closely with Account Executives to drive opportunities across small and mid-sized organizations by supporting discovery, demos, and technical evaluations.
- Learn Customer Environments
- Join customer conversations to understand their infrastructure, security maturity, and business priorities.
- Deliver Powerful Demos & Proof of Value
- Show prospects how NodeZero helps identify real attack paths, validate security controls, and reduce risk.
- Simplify Complex Security Concepts
- Translate technical capabilities into clear business value for both technical buyers and executive stakeholders.
- Grow as a Trusted Advisor
- Develop the confidence to answer customer questions, guide conversations, and help move deals forward.
- Collaborate Across Teams
- Work with Sales, Product, Marketing, and Customer Success to improve customer experience and share market feedback.
- Continuously Build Expertise
- Learn modern cybersecurity concepts, offensive security methodologies, and consultative selling skills from experienced mentors.
Benefits
- Inclusive Team: We value diversity and promote an inclusive culture where everyone can thrive.
- Growth Opportunities: Be part of a dynamic and growing team with numerous career development opportunities.
- Innovative Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking.
- Remote Work: We are a 100% remote company. Enjoy the convenience and work-life balance that comes with remote work.
- Competitive Compensation: We offer competitive salary, equity and benefits. Our benefits include health, vision & dental insurance for you and your family, a flexible vacation policy, and generous parental leave.
- All full-time roles are eligible for an equity package in the form of stock options.
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What This Job Offers
Job Type
Full-time
Career Level
Entry Level
Education Level
No Education Listed
