Commercial Sales Engineer
Horizon3ai
| Company | Horizon3ai |
| Category | Engineering |
| Location | Chicago |
| Remote | Remote |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 15 Apr 2026 |
| Last verified | 3 Aug 2026 |
| Source | Employer ATS (ashby) |
Description
Get to Know Us
Horizon3.ai http://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.
WHAT YOU’LL DO
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.
WHAT YOU’LL BRING
- 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
WHAT SUCCESS LOOKS LIKE
- You become a trusted partner to Account Executives and help win new business
- You confidently deliver compelling demos and support evaluations
- You rapidly grow your technical and commercial skill set
- You build strong relationships internally and externally
- You establish yourself as a rising Sales Engineer in one of cybersecurity’s most innovative companies
Perks of Horizon3.ai
- Inclusive Team: We value diversity and promote an inclusive culture where everyone can thrive.
- Growth Oppor