Senior Partner marketing Manager, MSP/MSSPs

GET TO KNOW US Horizon3 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.   ABOUT THE ROLE We are seeking an experienced Sr Partner Marketing Manager to join our Global Partner Marketing team with a dedicated focus on our MSSP and MSP business. You will help drive partner growth and accelerate revenue expansion across our existing managed service provider ecosystem. Reporting directly to the Head of Partner Marketing, you will collaborate closely with sales counterparts to develop and execute multi-tiered GTM programs spanning our SMB, Strategic GSI’s, Named accounts, and regional territories. You will be responsible for building comprehensive GTM strategies, launching collaborative co-marketing campaigns, and driving market awareness that helps service providers win new business and expand their existing customer accounts. STRATEGY PLANNING, EXECUTION, & ANALYSIS - Multi-Tier GTM Planning: Partner directly with sales leadership to design and execute multi-tiered go-to-market plans spanning high-volume SMB scale, regional territory MSSPs, and strategic Named GSIs. - Partner Expansion: Develop targeted marketing plays and revenue-driving programs focused on expanding business across our active MSP and MSSP partner base. - Programmatic Scale & Distribution: Optimize low-touch, high-volume marketing motions across cloud marketplaces (such as Pax8) to drive efficient partner activation and scalable demand generation. - Pipeline Reporting & Analytics: Track, analyze, and report on campaign engagement, partner portal adoption, and partner-sourced/influenced pipeline in Salesforce to evaluate ROI and guide future program investments. CO-MARKETING, JOINT CAMPAIGNS, & EVENTS - Integrated Demand Generation: Build and launch multi-channel joint campaigns leveraging digital, social, PR, webinars, and email to drive continuous awareness and generate qualified pipeline across the service provider base. - Scalable Campaign Toolkits: Build repeatable campaign frameworks, co-brandable sales kits, and through-partner collateral that service providers can easily deploy to market Horizon3 to their end clients. - Community & Event Engagement: Expand Horizon3’s brand presence at key MSP industry shows and community gatherings, while driving sustained engagement through partner webinars and portal community activity. - Incentives & Partner Promotion: Design targeted partner incentives, promotional plays, and engagement campaigns that motivate service provider reps and accelerate deal velocity. RELATIONSHIP MANAGEMENT & CROSS-FUNCTIONAL ALIGNMENT - Program Practice Development: Collaborate closely with MSP sales reps to support