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Horizon3.ai

Autonomous pentesting SaaS for vulnerabilities

Commercial Account Executive

Account ExecutiveConfirmed live in the last 24 hours
Full-timeTokyo, Japan

About the Job

Requirements

  • Have 4 or more years of quota-carrying, direct-closing experience in B2B software, IT infrastructure, or cybersecurity in Japan.
  • Have a strong track record in commercial or mid-market segments and understand multi-tiered enterprise decision-making processes.
  • Have proven experience leveraging two-tier distribution models, major Japanese systems integrators, and managed security service provider partners.
  • Demonstrate business acumen to navigate consensus-driven buying cycles and complex stakeholder maps.
  • Maintain ownership, personal accountability, and attention to detail throughout the sales cycle.
  • Be adaptable, intellectually curious, and willing to work in a high-growth environment where frameworks and processes are evolving.
  • Have native-level Japanese fluency for customer negotiations and business correspondence, and strong business-level English proficiency for cross-border alignment with global leadership and technical teams.
  • Bring a proactive, customer-centric builder mindset and help elevate Horizon3's brand presence and market reach in Japan.

Responsibilities

  • Drive commercial business growth across Japan through direct customer engagement, channel collaboration, and disciplined execution.
  • Build a healthy pipeline and secure new-logo wins tailored to Japanese corporate buying cycles.
  • Manage opportunities with meticulous follow-through, integrity, and clear accountability at every stage.
  • Partner with systems integrators, distributors, managed security service providers, enterprise sellers, partner managers, and sales engineers to maximize ecosystem reach.
  • Contribute to territory and partner business plans, translating strategy into measurable sales outcomes.
  • Coordinate with Marketing, Channel, Sales Engineering, Deal Desk, and global leadership to advance deals.
  • Share local market feedback, buyer requirements, and competitive dynamics with global product and leadership teams.
  • Represent Horizon3 in the Japanese cybersecurity community.
  • Develop technical understanding of the Horizon3 platform and refine commercial effectiveness.
  • Win new commercial customers and expand market share across target verticals.
  • Establish long-term trust with end customers, executive sponsors, and channel partners.
  • Manage sales cycles with predictable forecasting, rigorous follow-up, and strong operational hygiene.
  • Ramp up efficiently and steadily scale impact within the region.
  • Provide actionable market intelligence to guide regional product positioning and go-to-market strategy.

About the Company

Horizon3.ai

Autonomous pentesting SaaS for vulnerabilities

Horizon3.ai specializes in cybersecurity by offering NodeZero, a SaaS platform for autonomous penetration testing. It lets enterprises simulate cyber-attacks on their own systems in a self-service way, without installing persistent agents, and without ongoing human intervention. The platform works by running security-focused attack simulations in production environments to uncover exploitable vulnerabilities and weak controls, delivering vulnerability assessments, threat simulations, and compliance-oriented testing through tiered subscription plans. This approach differentiates Horizon3.ai from traditional pentesting by being self-service, agentless, and safe to run in live environments, while targeting enterprise customers that must meet standards such as PCI DSS. The company aims to help organizations improve their security posture, prioritize remediation, and maintain regulatory compliance by continuously identifying and fixing weaknesses.

Company size
501-1,000
Company stage
Series E
Total funding
$437M
Headquarters
San Francisco, CA
Founded
2019

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