Get to Know Us

Horizon3 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.

What You’ll Do

Horizon3AI is committed to defending businesses from the ever-growing threat landscape. Our advanced solutions and expert team provide unparalleled security for our clients. We are looking for a passionate Sales Engineer (SE) based in the Washington, DC Region to join our Federal Team and help prospects and clients understand the true value and capabilities of our product(s) and services.

• Technical expertise - Must demonstrate deep knowledge of our cybersecurity products and services, assisting the sales team in presenting and position them to prospects and clients.

• Customer engagement - Must meet with potential customers to understand their cybersecurity needs, challenges, and infrastructure, ensuring that our solutions are the perfect fit for them.

• Product demonstrations - Provide live demos and proof of concepts for our cybersecurity solutions, tailoring each demo to the specific needs and concerns of the potential customer.

• Solution development - Will work closely with the sales and product teams to design and refine our solutions based on customer needs.

• Technical training - train the sales team on the technical aspects of our products to enhance their ability to sell more effectively.

• Feedback loop - relay feedback from the field to our product and engineering teams, contributing to the ongoing improvement of our product.

• RFP/RFI assistance - Assist in answering technical sections of RFPs and RFIs.

• Post-sales support - On rare occasions, assist in post-sales processes to ensure the smooth implementation and satisfaction of our customers.

What You’ll Bring

• 5+ years of experience as a Pre-Sales Engineer/Solutions Architect, ideally in the cybersecurity domain.

• Experience with DoW Offensive Cyber Operations

• US Federal Clearance (*Must be able to obtain the required Security Clearance and potential granting access to classified information systems)

• Familiarity with managed services delivery models, SOC workflows, SIEM, SOAR, EDR, PTaaS and MDR.

• Proficiency with cloud (AWS, Azure, GCP), identity systems (AD/AAD), and networking fundamentals.

• Strong understanding of cyber threats, risk management, and cybersecurity solutions.

• Excellent verbal and written communication skills.

• Demonstrates ability to simplify complex technical topics for a non-technical audience.

• Highly collaborative with a strong sense of initiative.

• Certifications such as OSCP, OSCE, CISSP, CEH, CompTIA Security+, or cloud security certifications are desirable.

• Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or equivalent experience.

Federal Travel Required

The desired location is Washington DC, but we are a fully remote company, and this job may require up to 50% of travel to be successful in the region.

Travel will include CONOS & OCONOS as required.

Job-related travel expenses are reviewed and must be approved by your manager.

Perks of Horizon3

• 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.

• Hybrid & Remote Work: We embrace a mix of remote and hybrid work models depending on role and location, including our Chicago office, where some roles require regular in-office presence.

• 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:

• $230k - $270k on a 70/30 split 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

In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.