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 robust, 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)
Strong 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.)

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📌 Sales Engineer (Eastern Canada) (Nova Scotia)
🏢 Horizon3
📍 Nova Scotia