Customer Success Manager

Horizon3.ai

Customer Success Manager in a fast-growing remote cybersecurity company focusing on EMEA markets. Partnering with clients to enhance value realization and customer satisfaction through cybersecurity protocols.

Posted 7/9/2026full-timeRemote • 🇬🇧 United KingdomMid-LevelSenior💰 £85,000 - £120,000 per yearWebsite

Tech Stack

Tools & technologies

CloudCyber Security

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Cybersecurity PrinciplesTechnical OnboardingAccount Strategy AlignmentCustomer Health ManagementSaaS Environment ExperienceOffensive Security KnowledgeCloud Security UnderstandingDocumentation DevelopmentBusiness Review ConductingCustomer Needs Assessment

Soft Skills

Customer AcumenCommunication SkillsCollaborationProblem-SolvingAdvocacy

Certifications

CompTIA Security+CISSP