Senior Sales Engineer (SLED)

Horizon3

3d•$240,000 - $270,000

About The Position

Horizon3 is seeking a Senior Sales Engineer to partner with Account Executives and help organizations in the SLED vertical understand the technical and business value of the NodeZero autonomous security platform. The role is suited to someone who thrives in a high-velocity environment, can explain complex security concepts clearly, and builds trusted customer relationships. The Senior Sales Engineer supports enterprise deals across mid-sized organizations with diverse environments. The role leads customer discovery and technical qualification; delivers tailored demonstrations and proof-of-value engagements; and connects platform capabilities to risk reduction and business impact. It also involves guiding technical deal strategy, handling objections and competitive positioning, and maintaining continuity after deals close to support adoption, value realization, and potential expansion. The position collaborates with Account Executives, Product, Engineering, Customer Success, and Product Marketing. It also contributes field feedback, internal knowledge sharing, and improvements to technical assets, demo flows, and playbooks for the Enterprise segment.

Requirements

At least 5 years of experience as a Sales Engineer or Solutions Architect in cybersecurity or infrastructure.
Experience working with SLED accounts, combining technical depth with executive interaction.
Strong understanding of cybersecurity fundamentals, including the threat landscape, vulnerability management, identity, cloud, and Active Directory.
Ability to simplify complex technical concepts for practitioners and executives.
Experience running structured proof-of-value engagements and managing technical validation cycles.
Strong collaboration skills and comfort working in a fast-paced, high-growth environment.
Bachelor’s degree in Computer Science, IT, Cybersecurity, or a related field, or equivalent experience.

Responsibilities

Partner with Account Executives on discovery, solution positioning, and technical validation for enterprise deals across mid-sized organizations.
Lead discovery and technical qualification by understanding customers’ infrastructure, security maturity, compliance requirements, and risk priorities.
Deliver tailored demonstrations and proof-of-value engagements that connect NodeZero’s capabilities to customer risk reduction and business impact.
Maintain relationships with key accounts, track evolving needs, support continued value realization, and identify appropriate expansion opportunities.
Explain the platform’s technical operation and business value, framing outcomes in terms of exposure reduction, compliance alignment, and operational efficiency.
Own technical deal strategy, including addressing objections, competitive positioning, and technical concerns throughout the sales cycle.
Collaborate with Product, Engineering, Customer Success, and Product Marketing, and share field feedback to inform roadmap and positioning.
Contribute to internal knowledge sharing and refine demo flows, technical assets, and playbooks for the Enterprise segment.
Maintain post-close technical continuity by supporting handoffs, reinforcing initial value, aligning executives and practitioners, and monitoring adoption, impact, and expansion signals.