
51 - 200 employees
Founded 2019
🔒 Cybersecurity
🤖 Artificial Intelligence
☁️ SaaS
Cybersecurity • Artificial Intelligence • SaaS
Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.
🔥 17 hours ago
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51 - 200 employees
Founded 2019
🔒 Cybersecurity
🤖 Artificial Intelligence
☁️ SaaS
Cybersecurity • Artificial Intelligence • SaaS
Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.
• Provide advanced, hands-on technical support to a distributed workforce • Serve as a Tier 2/3 escalation point for complex endpoint, identity, and collaboration issues • Own high-impact incidents from triage through root-cause analysis and resolution • Identify recurring problems and drive durable fixes through runbook updates, automation, and configuration changes • Configure and troubleshoot endpoint management tools, policies, profiles, compliance checks, and asset tracking • Troubleshoot identity and access issues involving SSO, MFA, conditional access, and group- or role-based access • Support Google Workspace, Slack, and Zoom, including complex calendaring, meeting, and integration issues • Provide advanced remote support for office infrastructure, conference room AV, network connectivity, and shared devices • Travel occasionally to offices, including Chicago, for upgrades, deployments, and onsite events • Refine ticket triage, escalation paths, and SLAs with the Global Help Desk Manager and IT team • Create and maintain troubleshooting runbooks, how-to guides, SOPs, and knowledge base articles • Recommend and evaluate tools or configurations that improve support quality and end-user experience • Support onboarding and offboarding with IT and People teams • Manage device lifecycle activities including procurement, provisioning, refresh, deprovisioning, asset tracking, and inventory hygiene • Collaborate with Security and IT Engineering on device compliance, access control, and incident response • Communicate status and resolutions clearly to employees at all levels • Mentor junior analysts and share knowledge across the team
• Substantial experience in IT support, help desk, or IT operations with clear Tier 2/3 responsibilities supporting a distributed workforce • Strong troubleshooting skills across macOS and/or Windows endpoints, including OS, hardware, networking basics, and standard enterprise software • Clear communication with technical and non-technical employees • Ability to prioritize and manage concurrent requests • Sound judgment regarding self-resolution versus escalation, and documentation of learnings • Comfortable working remotely with a distributed team and occasionally traveling to Horizon3 offices, including Chicago • 4–6+ years of experience in IT support, help desk, or IT operations, with at least part of that time in a Tier 2/3 capacity • Experience supporting in-office and remote/distributed employees at a high-growth technology company strongly preferred • Relevant certifications such as CompTIA A+, Network+, ITIL Foundation, or Jamf are a plus but not required • Experience with Jira or Jira Service Management or comparable ITSM platform • Experience managing identity and access in Okta, Entra, or similar SSO/MFA platforms • Hands-on experience with Jamf, Intune, Kandji, or similar endpoint management tools • Strong user and admin-level experience with Google Workspace, Slack, and Zoom • Familiarity with common SaaS business applications and access models • Experience maturing an IT support function, implementing tools, designing workflows, or defining SLAs is an advantage • Experience in high-growth SaaS or cybersecurity companies • Track record of creating or improving IT documentation, knowledge bases, or self-service resources • Experience supporting zero-trust security practices, device compliance, or security-focused configuration baselines • Comfort mentoring junior analysts or acting as an informal team lead on incidents or projects
• Equity package in the form of stock options for all full-time roles • Health, vision, and dental insurance for employees and their families • Flexible vacation policy • Generous parental leave • Growth and career development opportunities • Inclusive and collaborative work culture • Remote and hybrid work models depending on role and location
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