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Horizon3.ai

Continuous, autonomous pentesting, powered by NodeZero. Are your systems secure? Don't wait for a breach to find out!

Customer Success Manager

Customer Success ManagerCustomer SuccessFull TimeRemoteSeniorTeam 51-200Since 2019H1B No SponsorCompany SiteLinkedIn

Location

United Kingdom

Posted

1 day ago

Salary

£85K - £120K / year

Seniority

Senior

Bachelor Degree5 yrs expFrenchGermanEnglishCloudCyber Security

Job Description

Customer Success Manager

Horizon3.ai

• Manage a portfolio of EMEA customers as their primary post-sales technical advisor, developing a deep understanding of the NodeZero platform to guide successful adoption • Cultivate champions with security leaders—from analysts to CISOs—and guide them through the lifecycle of adoption, expansion, and advocacy • Deliver technical onboarding and enablement to drive adoption of NodeZero, including advanced features like Tripwires, Insights, and Rapid Response, ensuring customers realize maximum value • Proactively identify customer needs and potential challenges, suggesting solutions that improve their experience and enhance their cybersecurity posture • Partner closely with IT and Security teams (SOC, red/blue teams, AppSec, etc.) to help interpret pentest results, prioritize remediation, and guide long-term offensive security strategy • Collaborate closely with Sales and Renewals teams to drive retention and growth by identifying expansion opportunities, aligning on account strategy, and ensuring a seamless renewal process • Act as a customer advocate, relaying customer feedback and technical issues to our internal teams to help drive the evolution of our product and services • Conduct regular check-ins and quarterly business reviews to align on strategy, secure executive buy-in, and showcase business outcomes • Contribute to documentation, training materials, and repeatable playbooks to scale technical success across the region • Maintain detailed records of customer health and touchpoints using internal CS platforms

Job Requirements

  • 5+ years in Customer Success, Technical Account Management, Client Services, within a SaaS cybersecurity environment
  • In-depth knowledge of cybersecurity practices and principles; possession of relevant certifications (e.g., CompTIA Security+, CISSP) is highly preferred.
  • Deep understanding of enterprise security, information technology, cloud, or offensive security is highly preferred
  • Strong customer acumen—able to align solutions to business priorities and present clearly to both technical and executive stakeholders
  • Experience managing a book of business with revenue targets (ARR, NRR, GRR)
  • Startup or high-growth company experience is preferred; you thrive in fast-paced, ambiguous environments
  • Languages Required : French or German as well as business fluency in English

Benefits

  • Health, vision & dental insurance for you and your family
  • Flexible vacation policy
  • Generous parental leave
  • Equity package in the form of stock options

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Netherlands