Jobs at Horizon3.ai

Manage a portfolio of EMEA mid-market customers as a post-sales technical advisor. Drive onboarding, adoption, value realization, retention, renewals, and expansion for the NodeZero cybersecurity platform. Partner with security and IT teams to interpret pentest results, prioritize remediation, and guide offensive security strategies. Conduct business reviews, cultivate executive champions, document customer health, relay feedback internally, and create scalable training and success materials.

Provides advanced technical support to enterprise customers, troubleshooting cloud infrastructure, networking, Linux systems, containers, and security issues. Performs root cause analysis, supports deployments, maintains SLAs, documents solutions, and collaborates with engineering, product, and sales teams. The role also mentors junior staff, contributes to training resources, and helps optimize infrastructure as code, observability, identity management, databases, and customer environments.