Customer Success Manager, Horizon3
€100-140k
OTE
OTE is 80/20 split. UK OTE Range: £85,000 - £120,000 (GBP)
Autonomous security solutions
Be an early applicant
Autonomous security solutions
201-500 employees
Be an early applicant
€100-140k
OTE
OTE is 80/20 split. UK OTE Range: £85,000 - £120,000 (GBP)
201-500 employees
Company mission
To help find and fix attack vectors before attackers can exploit them.
Role
Who you are
- This role requires a background in cybersecurity and someone who is consultative, proactive, and excited to build strong customer relationships across geographies
- 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
- Location: UK, Germany, France or The Netherlands
- Languages Required : French or German as well as business fluency in English
- Comfortable with tools like Salesforce, Gainsight, and JIRA; detail-oriented and organized
What the job involves
- As a Customer Success Manager in EMEA, you will play a key role in scaling and strengthening our international post-sales experience as part of a growing global Customer Success organization
- You will serve as a strategic advisor to a portfolio of high-value customers, partnering directly with technical and business stakeholders to drive adoption, value realization, retention, and growth
- You’ll collaborate cross-functionally with Sales, Product, Engineering, and Support while helping shape and evolve the Customer Success experience across the EMEA region
- 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
Our take
In an era marked by escalating cyber threats and data breaches, safeguarding digital assets has become a high priority across all industries. Amid this landscape, Horizon3.ai stands out as an autonomous security solution by addressing the critical need for robust cybersecurity.
At the heart of Horizon3.ai's mission is NodeZero™, a platform designed to elevate proactive security measures. Using this, customers can verify their security posture and identify potential vulnerabilities through self-service. This proactive approach to cybersecurity effectively thwarts potential exploits and ensures the integrity of their digital infrastructure.
With 2025 funding in hand, the company is poised to further its ambition to develop into an industry-leading cybersecurity company. The infusion of funds will be channelled towards expanding its partner network, refining its offerings and entering the US government market. Horizon3 aims to establish itself as a pivotal player in the evolving autonomous security landscape, a highly lucrative market valued at $80 billion.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
-8% employee growth in 12 months
Company
Funding (last 2 of 6 rounds)
Jun 2025
$100m
SERIES D
Aug 2023
$40m
SERIES C
Total funding: $187m
Company benefits
- Growth Opportunities: Be part of a dynamic and growing team with numerous career advancement opportunities
- Innovation-Driven Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking
- Flexible Work Environment: Enjoy the convenience and work-life balance that comes with remote work
- Inclusive and Diverse Team: We value diversity and promote an inclusive culture where everyone can thrive
Company HQ
SoMa, San Francisco, CA
Leadership
Snehal Antani
(Co-Founder & CEO)Graduated from the Rensselaer Polytechnic Institute with an MS in Computer Science. Previously worked at IBM as a Lead Architect, at GE Capital as the CIO of Distribution Finance and Splunk as the SVP & GM of Business Analytics & IoT.
Anthony Pillitiere
(Co-Founder)Graduated from the University of Maryland with a Bachelor's Degree in Computer Systems Networking and Telecommunications. Previously worked at the United States Air Force in multiple roles, including Deputy Chief Technology Officer.
Share this job
View 47 more jobs at Horizon3