Partner Customer Success Manager, Horizon3
$120-130k
+ Equity
Required up to 30% of travel
Autonomous security solutions
Be an early applicant
Autonomous security solutions
201-500 employees
Be an early applicant
$120-130k
+ Equity
Required up to 30% of travel
201-500 employees
Company mission
To help find and fix attack vectors before attackers can exploit them.
Role
Who you are
- 5+ years of experience in Customer Success, Technical Account Management, Channel Management, or Partner Enablement—preferably in cybersecurity or B2B SaaS
- Strong understanding of MSSP/MSP business models and their delivery of security services (e.g., SOC operations, vulnerability management, red teaming)
- Technical fluency in cybersecurity solutions and/or experience supporting highly technical users
- Demonstrated success building long-term relationships with partners, managing joint success plans, and driving retention and expansion
- Experience supporting revenue-based goals tied to partner adoption, NRR, or managed ARR
- Self-starter comfortable navigating ambiguity and scaling post-sales programs from the ground up
- Strong presentation, training, and interpersonal skills—able to engage both technical practitioners and executive stakeholders
- Proficient with CS tools like Salesforce, Gainsight, JIRA, and Confluence
- Willingness to travel to partner sites and industry events (~10–30%)
What the job involves
- We’re looking for an experienced, mission-driven Partner Success Manager to join our growing team and lead the post-sales experience for our managed service partners
- In this role, you’ll act as the strategic and technical advisor to MSSPs and MSPs, helping them succeed in deploying, operationalizing, and delivering value with NodeZero across their customer base
- You’ll partner cross-functionally with Sales, Product, Engineering, and Support to amplify partner impact and help scale our presence in the partner ecosystem
- Own the Partner Lifecycle: Serve as the primary post-sales point of contact for a portfolio of MSSP/MSP/GSI partners—guiding them from onboarding and activation to value realization, enablement, and advocacy
- Drive Adoption & Enablement: Lead technical onboarding and hands-on training sessions to ensure partner teams can effectively use NodeZero and deliver measurable outcomes for their customers
- Build Strategic Relationships: Cultivate trusted relationships with partner stakeholders across delivery, technical, and executive roles to align on joint success and roadmap planning
- Measure & Optimize Performance: Monitor partner engagement, usage patterns, and customer outcomes to identify areas of opportunity, risk, and growth. Use data to inform strategic recommendations
- Resolve & Escalate: Serve as an escalation point for partner-related issues, collaborating with Support and Product to ensure fast, high-quality resolution
- Contribute to Partner Playbooks & Content: Create scalable partner resources, including guides, case studies, enablement sessions, and QBR frameworks
- Enable Joint GTM Success: Partner with Channel and Sales to support co-selling motions and drive mutual revenue growth through partner-led customer expansion
- Influence Product Direction: Relay structured feedback from partners to internal teams, helping shape the product roadmap with a deep understanding of partner needs and market dynamics
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.
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