Sales Engineer (Northern California)

Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by ITOps/SecOps teams, consulting pentesters, and MSSPs and MSPs.

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, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants. Collectively, we are a team of learn it alls, committed to a culture of respect, collaboration, ownership, and results.

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

Horizon3 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 (this is open to candidates at the Mid to Senior Level) 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.

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

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

• Located in the northern California region of the united states

• Experience working Mid-Market or 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)

• 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

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.

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