Senior Manager, Customer Success

Horizon3.ai
United States
Workplace: RemoteFull timeUSD 180,000 - 225,000 annuallyFunction: Customer Success & Account ManagementExperience: 7+ yearsEducation: bachelorsSkills: ["Communication","Leadership","Collaboration","Strategic thinking"]

Lead and grow a remote, enterprise-focused Customer Success team for Horizon3.ai’s NodeZero platform, driving adoption, value realization, and strategic, executive-level relationships with Fortune 500 and MSSP customers. Build playbooks, optimize post-sales programs, and collaborate cross-functionally to ensure renewals, expansion, and measurable security outcomes.

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Horizon3.ai
Horizon3.ai
3 months ago

Senior Manager, Customer Success

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Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Closed

Job Summary

Lead and grow a remote, enterprise-focused Customer Success team for Horizon3.ai’s NodeZero platform, driving adoption, value realization, and strategic, executive-level relationships with Fortune 500 and MSSP customers. Build playbooks, optimize post-sales programs, and collaborate cross-functionally to ensure renewals, expansion, and measurable security outcomes.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Customer Success & Account Management
Seniority: Sr. Manager level

Key Responsibilities

  • •Lead & Develop the Team: Coach and mentor a team of Customer Success Managers across enterprise, scale, and MSSP segments. Foster a culture of ownership, accountability, and continuous improvement.
  • •Drive Adoption & Value Realization: Ensure customers operationalize NodeZero across their environments and workflows - driving measurable improvements in security posture and outcomes.
  • •Own Strategic Customer Relationships: Engage directly with executive stakeholders (e.g., CISOs, security leadership) especially within Fortune 500 and strategic partners to align on goals, roadmap, and long-term value.
  • •Enable Expansion & Retention: Guide your team to identify and drive expansion opportunities while mitigating risk, improving health scores, and securing renewals.
  • •Collaborate Cross-Functionally: Work closely with Sales, Channel, Product, and Support teams to orchestrate seamless onboarding, resolve blockers, and advocate for customer needs.
Travel: Medium travel

Pay and Benefits

Salary: USD 180,000 - 225,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceVisionDentalEquityParental LeaveRemote Work

Key Requirements

  • •7+ years of experience in Customer Success, Account Management, or related post-sales roles in cybersecurity or B2B SaaS
  • •2–3+ years of direct people management experience
  • •Proven success meeting or exceeding goals tied to Net Revenue Retention (NRR), Gross Dollar Retention (GDR), and expansion
  • •Experience managing strategic customers (Fortune 500), with executive-level relationship management and negotiation skills
  • •Bachelor’s degree required; advanced degree or MBA is a plus
Experience:7+ yearsCybersecurityB2B SaaS
Education:Bachelor's
Skills:CommunicationLeadershipCollaborationStrategic thinking
Languages:English
Tech Stack:GainsightSalesforceJIRAConfluence

Company Brief

Horizon3.ai
Builds NodeZero®, an autonomous penetration-testing platform that continuously finds, prioritizes, and verifies exploitable vulnerabilities across on-premises, cloud, and hybrid environments to help organizations reduce security risk.
Industry: Cybersecurity
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Funding: Series D
Headquarters: San Francisco, United States
Founded: 2019
Glassdoor
Glassdoor: 4.9
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