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/Offboarding), ensuring a smooth, secure, and compliant provisioning and de-provisioning of access and equipment.

• Documentation: Create and maintain comprehensive documentation for IT processes, SOPs, system configurations, and end-user guides.

• Automation and AI: Drive the adoption of automation and AI within IT operations to reduce manual effort, including configuring chatbots for Tier 1 and 2 support, lifecycle management for secure onboarding and offboarding sequences, automating ticket routing, securely provisioning and de-provisioning applications, and implementing predictive system maintenance alerts.

Business Applications & Integrations

• Application Ownership: Own the selection, deployment, maintenance, and offboarding of core enterprise business applications (e.g., CRM, HRIS, Financial Systems).

• Data Integrity: Design, implement, and maintain robust and secure integrations between business applications to ensure data integrity and seamless workflow across departments.

• Governance: Establish clear ownership, access controls, and usage policies for all managed business applications.

Security and Compliance Operations

• Compliance Execution: Directly support and execute controls related to key compliance frameworks across the IT environment, specifically SOC 2 (operational evidence, access reviews), ISO 27001 (ISMS controls), and FedRAMP (operational security and documentation for readiness).

• Security Enforcement: Enforce operational security protocols across all systems and endpoints, including vulnerability management, patch deployment, and security awareness training.

• Infrastructure Management: Manage and maintain core IT infrastructure, including Identity and Access Management (IdP), Endpoint Management (MDM), and network configuration, ensuring adherence to internal security policies and relevant compliance standards.

• Data Privacy: Implement and manage operational controls to ensure compliance with global and regional data privacy regulations, including GDPR, CCPA, and other relevant US Data Privacy requirements, focusing on data access, retention, and deletion procedures within IT systems.

What You’ll Bring

• 5+ years of progressive experience in IT Operations, System Administration, or a similar role, with at least 2 years in a management or lead capacity focused on operational excellence.

• Bachelor's degree in Information Technology, Computer Science, or a related field (or equivalent practical experience).

• Proven track record or experience scaling IT Operations with Business Operations and Company growth (specifically managing environments scaling from 250+ to 1,000+ employees).

• Proven track record of managing and mentoring direct reports or leading cross-functional teams successfully.

• Demonstrated ability to function as a Project Manager for complex, high-impact technical projects.

• Must have prior experience in a fast-paced startup or high-growth company that has successfully scaled through rapid employee expansion.

• Proven ability to manage complex, multi-platform IT environments while ensuring high service levels.

• Deep knowledge of IT Service Management (ITSM) principles and practices (e.g., ITIL framework).

• Exceptional ability to bridge the gap between business operational requirements and technical solutions execution.

• Strong commitment to security-first operational practices.

• Excellent communication and stakeholder management skills.

• Strong understanding of networking fundamentals (TCP/IP, VPNs, DNS, Wi-Fi) in a corporate setting.

Required Tech Stack Experience

Identity and Access Management (IAM):

• Deep technical proficiency in managing and scaling solutions like Okta (including Okta Identity Governance and Okta Workflows) and Microsoft Entra (formerly Azure AD).

• Expertise in secure provisioning protocols, including SCIM provisioning and SCEP.

• Strong familiarity with implementing and enforcing Device Posture assurance and policies for conditional access.

Unified Endpoint Management (UEM) & Security:

• Expertise in deploying, configuring, and managing UEM/MDM platforms, (e.g. Kandji (Iru), Jamf, SureMDM, Intune), for Mac and Windows environments.

• Strong experience with Email administration, Secure Email Gateway administration (e.g. Mimecast, Proofpoint, Abnormal, Sublime), and utilizing Managed Browsers for corporate access.

• Proficiency in supporting and troubleshooting both macOS and Windows operating systems.

Collaboration, ITSM, and Business Applications:

• Proven experience managing, integrating, and maintaining core business systems: Google Workspace and Office 365.

• Expertise in administering large-scale video conferencing solutions, including Zoom, Google Meet, and Zoom Rooms.

• Expertise in the Atlassian Suite, specifically Jira Service Management (for ITSM) and implementing Jira Automations and managing content within Confluence.

• Experience managing and securing enterprise collaboration platforms like Slack.

Integrations and Infrastructure:

• Experience working with Integration Platforms As A Service (iPaaS) to build and maintain secure business system integrations.

• Familiarity with managing network infrastructure components, specifically Cisco Meraki (switches, firewalls, and access points).

• Experience utilizing scripting or automation tools (e.g., PowerShell, Python, low-code automation) to streamline operational tasks.

• Expertise in DNS administration and managing DNS Registrar management for corporate domains and services.

Other duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.

Perks of Horizon3.ai

• Inclusive Team: We value diversity and promote an inclusive culture where everyone can thrive.

• Growth Opportunities: Be part of a dynamic and growing team with numerous career development opportunities.

• Innovative Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking.

• Remote Work: We are a 100% remote company. Enjoy the convenience and work-life balance that comes with remote work. 

• Competitive Compensation: We offer competitive salary, equity and benefits. Our benefits include health, vision & dental insurance for you and your family, a flexible vacation policy, and generous parental leave.

Compensation and Values

At Horizon3, we believe that our people are our greatest asset, and our compensation philosophy reflects this core value. We are committed to fostering an environment where all employees feel valued, respected, and rewarded for their contributions. Our compensation structure is designed to be fair, competitive, and transparent, ensuring that every team member is recognized and compensated equitably across roles, levels, and locations.

In accordance with various State’s transparency regulations, we provide the following salary range information for this position:

• Base salary range: $160,000 - $190,000 annually. The exact salary will be determined based on the selected candidate’s location, qualifications, experience, and relevant skills.

• Additional compensation: All full-time roles are eligible for an equity package in the form of stock options.

You Belong Here

Horizon3 is not just an equal opportunity employer - we are a community that values diversity, equity, and inclusion as fundamental principles of our culture and success. We are dedicated to fostering a workplace where everyone feels welcome and respected, regardless of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, hair length or any other legally protected status by law.

Our commitment to diversity and inclusion means we strive to attract, develop, and retain a workforce that reflects the varied communities we serve. We believe that diverse perspectives drive innovation and strengthen our ability to create cutting-edge cybersecurity solutions. At Horizon3, every team member is valued and supported in an environment that encourages personal and professional growth.

We welcome candidates from all backgrounds and experiences, and we encourage all qualified individuals to apply. Come be a part of Horizon3, where your unique contributions are recognized, and your potential is limitless.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice. 

Application Note

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