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 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

This role will support our Eastern Canada territory, partnering with customers across the region and aligning closely with our regional sales leadership

Work alongside AEs to support discovery, solution positioning, and technical validation across mid-sized organizations with diverse environments

Meet with prospective customers to understand their infrastructure, security maturity, compliance requirements, and risk priorities

Run compelling, outcome-driven demos and proof-of-value engagements that clearly connect NodeZero’s capabilities to customer risk reduction and business impact

Stay connected with key accounts to track evolving needs, ensure continued value realization, and surface expansion opportunities where it makes sense to

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

Navigate objections, competitive positioning, and technical concerns throughout the sales cycle

Partner with Product, Engineering, Customer Success, and Product Marketing to ensure field feedback informs roadmap and positioning

Contribute to internal knowledge sharing and continuously refine demo flows, technical assets, and playbooks for the Enterprise 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

What Success Looks Like

You build strong, trust-based relationships with 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

Benefits

Growth Opportunities: Be part of a dynamic and growing team with numerous career advancement opportunities

Innovation-Driven Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking

Inclusive and Diverse Team: We value diversity and promote an inclusive culture where everyone can thrive

Flexible Work Environment: Enjoy the convenience and work-life balance that comes with remote work

Requirements

5+ years of experience as a Sales Engineer or Solutions Architect, in cybersecurity or infrastructure

Located in Eastern Canada (preferably Greater Toronto area)

Solid collaboration skills and comfort operating in a fast-paced, high-growth environment

Experience running structured PoVs and managing technical validation cycles

Ability to simplify complex technical concepts for both practitioners and executives

Experience working Enterprise accounts with a mix of technical depth and executive interaction

Bilingual proficiency in English and French preferred (to support customers across Canada)

Bachelor’s degree in Computer Science, IT, Cybersecurity, or related field (or equivalent experience)

Strong understanding of cybersecurity fundamentals (threat landscape, vulnerability management, identity, cloud, AD, etc.)

📌 Sales Engineer (Eastern Canada) (Eastern Passage)
🏢 Horizon3
📍 Eastern Passage