IT Manager

Horizon3.ai
US, Remote$160k – $190kPosted 20 March 2026

Job Description

IT Manager 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. SUMMARY/OVERVIEW We are seeking a highly motivated and experienced IT Manager to lead our internal IT Operations. This is a critical, hands-on leadership role responsible for ensuring the stability, security, and scalability of our company's internal technology ecosystem. The ideal candidate is a hands-on technical expert who thrives in a fast-paced, high-growth startup environment, with a proven track record of successfully scaling IT infrastructure, optimizing business processes, and driving security initiatives from 250+ to 1,000+ employees. This role aligns business operational needs with technical expertise across Help Desk functions, Enterprise Business Applications, and crucial Business Integrations. WHAT YOU’LL DO STRATEGIC LEADERSHIP & SCALABILITY - IT Roadmap & Strategy: Define, implement, and manage a roadmap for the internal IT environment that aligns with the company’s hyper-growth and security posture. - Project Management: Lead and manage complex IT infrastructure and application projects (e.g., system migrations, compliance readiness initiatives) from initiation through deployment, ensuring delivery on scope, time, and budget. - Team Leadership & Development: Directly manage, mentor, and develop the IT Operations team, fostering a culture of technical excellence, accountability, and customer service. - Process Optimization: Identify and execute opportunities for automation, efficiency gains, and cost reduction across IT processes and business applications. - Technology Identification and Implementation: Lead the evaluation, selection, and secure implementation of new technologies and platforms to enhance security, efficiency, and employee experience. - Budget & Vendor Management: Manage the IT operations budget, oversee vendor selection, and negotiate contracts for SaaS tools and services. - Scalability Planning: Plan and implement capacity improvements and technical upgrades to ensure IT systems can effortlessly scale with the company's rapid growth. OPERATIONAL EXCELLENCE & ITSM - Service Management: Lead and execute core IT Service Management (ITSM) best practices, including Incident Management (response, prioritization, and communication), Problem Management (root cause analysis), and implementing a formal Change Management process for all changes to production IT systems. - System Stability: Oversee the day-to-day operations and maintenance of the internal IT infrastructure, ensuring maximum uptime, performance, and reliability. - Help Desk & Hands-On Support: Serve as the primary escalation point for complex Tier 1-3 technical issues, providing hands-on support for hardware (Mac/Windows), software, and network issues. - Employee Lifecycle: Standardize and manage the employee lifecycle process (Onboarding/ ... (truncated, view full listing at source)
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