Executive Chief of Staff bei Horizon3 AI

Get to Know Us

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, 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 IT Ops/SecOps teams, consulting pentesters, and MSSPs and MSPs.

We are a fusion of former U.S. Special Operations cyber operators, startup engineers & operators, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools and 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.

As a remote first company, we require minimum 25Mbps consumer grade broadband connection.

What You’ll Do

We are seeking an experienced and highly organized Executive Chief of Staff to partner closely with the Executive Team. This role will act as a trusted advisor, ensuring alignment on strategic priorities, driving operational excellence across leadership, and enabling clear communication throughout the company.

The Executive Chief of Staff will oversee executive team rhythms (meetings, agendas, planning sessions, and offsites), track and drive progress on high-priority objectives, and do ad hoc analysis as needed. They will also manage companywide events such as the annual company kickoff, and partner with the Sales Enablement team on sales kickoff planning. They will manage and contribute to internal communications that keep employees informed, engaged, and connected to company strategy.

This is a high-visibility role, ideal for someone who thrives at the intersection of strategy, operations, and culture.

Key Responsibilities

• Executive Alignment & Operations

  • Drive effective executive team operations, including planning and facilitating meetings, creating agendas, capturing decisions, and tracking follow-up actions.

  • Coordinate executive offsites, ensuring alignment on strategic goals and outcomes.

  • Monitor and report progress against company OKRs and high-priority initiatives.

• Strategic Planning & Business Priorities

  • Partner with the CEO & executive leadership to set and maintain organizational priorities.

  • Translate strategic objectives into actionable plans and ensure accountability across stakeholders.

  • Identify and surface risks, gaps, and dependencies that may impact execution.

• Companywide Events & Kickoffs

  • Lead the planning and execution of the annual company kickoff, ensuring seamless delivery of logistics, content, and experience.

  • Partner with Sales Enablement to execute sales kickoff.

• Internal Communications

  • Partner with the People and Communications teams to design and deliver executive and companywide communications.

  • Manage Company All-Hands events. Develop and delivery company-wide training (ad hoc).

  • Draft talking points, presentations, and updates for executive leadership.

  • Ensure clarity and consistency of messaging across all communication channels.

What You’ll Bring

• 8+ years of experience in chief of staff, strategy, operations, program management, or related roles, ideally within a high-growth company.

• Exceptional organizational skills with the ability to manage multiple priorities and stakeholders.

• Strong strategic thinking combined with operational execution.

• Experience leading large-scale events and executive-level meetings.

• Outstanding communication and interpersonal skills; able to influence at all levels.

• Proven ability to work with discretion, handle sensitive information, and build trusted relationships.

Success in This Role Looks Like

• The executive team operates with clear alignment, focus, and efficiency.

• Companywide and sales kickoffs are executed flawlessly, energizing employees and reinforcing strategic direction.

• High-priority initiatives are tracked, communicated, and delivered on time.

• Internal communications build transparency, engagement, and trust across the company.

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: $155,000-$200,000 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.

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 flexibility to work in the way that supports you and brings out your best.

• 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.

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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