Senior Sales Engineer (SLED)

About this role

Partner with Account Executives to help SLED customers evaluate Horizon3’s NodeZero autonomous security platform. Lead discovery, demos, and proof-of-value engagements, translating technical findings into customer risk reduction and business impact. Support technical deal strategy and remain involved after close to reinforce adoption and identify expansion opportunities.

About the company

Horizon3.ai is a technology company specializing in cybersecurity solutions, focusing on automated penetration testing and threat detection for enterprises. They provide a range of services aimed at enhancing security posture and risk management for organizations across various sectors.

What you'll do

• Partner with Account Executives on discovery, solution positioning, and technical validation
• Lead customer discovery and assess infrastructure, security maturity, compliance needs, and risks
• Deliver tailored demos and structured proof-of-value engagements
• Navigate technical objections and competitive positioning throughout sales cycles
• Maintain post-sale technical continuity and identify adoption or expansion signals
• Share customer feedback and improve demos, technical assets, and playbooks

What we're looking for

• 5+ years of experience as a Sales Engineer or Solutions Architect in cybersecurity or infrastructure
• Experience working with SLED accounts and engaging both technical and executive stakeholders
• Knowledge of cybersecurity fundamentals, including vulnerability management, identity, cloud, and Active Directory
• Ability to explain complex technical concepts in business terms
• Experience managing structured proof-of-value and technical validation cycles
• Bachelor’s degree in a related field or equivalent experience

Benefits

• Stock options
• Health, vision, and dental insurance for employees and family
• Flexible vacation policy
• Generous parental leave