Onboarding Program Manager, GTM

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.   What You’ll Do Horizon3 is scaling its go-to-market organization across segments, roles, and regions. We believe a consistent, role-relevant onboarding and ramp experience is one of the most important levers for accelerating productivity, reinforcing how we sell, and creating consistency as we grow. We are looking for a GTM Onboarding Program Manager to own and scale the end-to-end onboarding and ramp experience for our GTM organization. This includes onboarding quota carriers across Commercial, Mid-Enterprise, and Enterprise sales, as well as SDRs and, over time, extending the program to Sales Engineers, Customer Success, and other customer-facing teams. Reporting to our Field Enablement and Global Onboarding Leader, you will design and operationalize repeatable onboarding journeys from pre-boarding through readiness and the first 90 days in role. The monthly GTM sales bootcamp is a key component of that experience, bringing new hires together for immersive learning, connection, and certification, but this role is responsible for the broader system that surrounds bootcamp, including role-based learning paths, manager reinforcement, post-bootcamp ramp, and measurement of time to productivity. You will partner closely with GTM Enablement, Sales leadership, Product Marketing, RevOps, People, managers, and subject matter experts to ensure each audience develops the context, skills, behaviors, and role-specific capabilities needed to contribute quickly. As Horizon3 grows, you will build the processes, infrastructure, and operating rhythm that allow onboarding and ramp programs to scale efficiently while maintaining a high-quality employee experience. This role will be responsible for Owning the end-to-end GTM onboarding and ramp program from pre-boarding through the first 90 days, including role-specific readiness milestones and manager reinforcement. Designing and continuously improving onboarding paths for Commercial, Min-Enterprise, and Enterprise sellers, SDRs, and, over time, Sales Engineers, Customer Success, and other customer-facing teams. Owning and evolving the monthly GTM sales bootcamp as a central component of the broader onboarding experience, including curriculum, certification, facilitation, logistics, onsite execution, and post-program follow-up. Connecting pre-work, bootcamp, role onboarding, manager-led reinforcement, field application, and post-bootcamp ramp into one cohesive experience. Establishing clear learning objectives, role expectations, certifications, readiness checkpoints, and success measures for each audience. Equipping managers with practical reinforcement plans, coaching resources, and visibility into what new hires have learned and what they need to apply on the job. Partnering with Sales, RevOps, Product Marketing,