Sales Engineer (Tri-State)

We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools, false positives resulting in alert fatigue, blind spots, "checkbox” security culture, c...

As a remote first company, we require minimum 25Mbps consumer grade broadband connection.

Horizon3.ai is redefining how organizations defend themselves against modern cyber threats. Our autonomous security platform, NodeZero, helps companies proactively find and fix vulnerabilities before attackers do.

We’re looking for a Mid-Enterprise Sales Engineer to partner closely with our Account Executives and help growing organizations understand the technical and business value of our platform. This role is ideal for someone who thrives in high-velocity environments, can simplify complex security concepts, and enjoys building trusted relationships with customers.
Be a trusted technical partner in Mid-Enterprise deals
Work alongside AEs to support discovery, solution positioning, and technical validation across mid-sized organizations with diverse environments.
Lead discovery and technical qualification
Meet with prospective customers to understand their infrastructure, security maturity, compliance requirements, and risk priorities.
Deliver tailored demos and PoVs
Run compelling, outcome-driven demos and proof-of-value engagements that clearly connect NodeZero’s capabilities to customer risk reduction and business impact.
Maintain continuity through the customer lifecycle
Stay connected with key accounts to track evolving needs, ensure continued value realization, and surface expansion opportunities where it makes sense to.
Translate technical depth into business value
Help customers understand not just how the platform works, but why it matters—framing results in terms of exposure reduction, compliance alignment, and operational efficiency.
Own technical deal strategy
Navigate objections, competitive positioning, and technical concerns throughout the sales cycle.
Collaborate cross-functionally
Partner with Product, Engineering, Customer Success, and Product Marketing to ensure field feedback informs roadmap and positioning.
Support enablement and knowledge sharing
Contribute to internal knowledge sharing and continuously refine demo flows, technical assets, and playbooks for the Mid-Market segment.
Stay engaged after the deal closes to ensure a smooth technical handoff, reinforce initial value, and maintain executive and practitioner alignment—remaining attentive to adoption, impact, and expansion signals
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.
In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

5+ years of experience as a Sales Engineer or Solutions Architect, ideally in cybersecurity or infrastructure
Located in Eastern Time Zone
Experience working Mid-Market and Enterprise accounts with a mix of technical depth and executive interaction
Strong understanding of cybersecurity fundamentals (threat landscape, vulnerability management, identity, cloud, AD, etc.)
Ability to simplify complex technical concepts for both practitioners and executives
Experience running structured PoVs and managing technical validation cycles
Strong collaboration skills and comfort operating in a fast-paced, high-growth environment
Bachelor’s degree in Computer Science, IT, Cybersecurity, or related field (or equivalent experience)
Local to the Tri-State area
You build strong, trust-based relationships with Mid-Market/Enterprise customers
PoVs are structured, outcome-driven, and consistently demonstrate clear value
You partner seamlessly with AEs and contribute meaningfully to pipeline progression and win rates
Customer feedback informs ongoing product and positioning improvements