Partner Customer Success Manager

About the role

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.

Responsibilities

• 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.

Requirements

• 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%)
• Other duties
• Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.
• Travel: This is a fully remote position, but successful execution of the job may require up to 30% of travel.
• Perks of Horizon3.ai
• Inclusive Team: We value diversity and promote an inclusive culture where everyone can thrive.
• Growth Opportunities: Be part of a dynamic and growing team with numerous career development opportunities.
• Innovative Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking.
• Hybrid & Remote Work: We embrace a mix of remote and hybrid work models depen

Benefits

Additional Information

Get to Know Us Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by ITOps/SecOps teams, consulting pentesters, and MSSPs and MSPs. We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools, false positives resulting in alert fatigue, blind spots, "checkbox" security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants. Collectively, we are a team of learn it alls, committed to a culture of respect, collaboration, ownership, and results.

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