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Senior Sales Engineer, France
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About this role.
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
Horizon3 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/Solutions Architect to join our team and help prospects and clients understand the true value and capabilities of our products and services.
Technical expertise – Demonstrate deep knowledge of our cybersecurity products and services, assisting the sales team in presenting and position them to prospects and clients
Customer engagement – 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 in the cybersecurity domain
Strong understanding of cyber threats, risk management, and cybersecurity solutions.
Excellent verbal and written communication skills
Demonstrated ability to simplify complex technical topics for a non-technical audience
Highly collaborative with a strong sense of initiative
Language Skills: Fluency in English and French
Travel Required
This role is fully remote and may require up to 50% of travel to be successful. 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.
Competitive Compensation: We offer competitive salary, equity and benefits.
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.
Depending on experience, the compensation range for this position is: €160,000 – €190,000 OTE 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
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Sample interview questions
I would begin by understanding the prospect's business priorities, security objectives, environment, and current testing process. I would then identify pain points such as limited visibility, slow validation cycles, alert fatigue, or resource constraints. Finally, I would align the demo and proof-of-concept success criteria to measurable outcomes that matter to both security practitioners and decision-makers.
I avoid feature-heavy language and connect technical capabilities to business risk, operational impact, and decision-making. For example, I would explain autonomous pentesting in terms of continuously validating whether an attacker can reach critical assets, rather than focusing first on the underlying testing mechanics. I confirm understanding throughout the conversation and tailor detail to the audience.
I would agree on scope, stakeholders, timelines, security requirements, and objective success metrics before starting. During execution, I would provide regular updates, address blockers quickly, and document meaningful findings in the context of the prospect's environment. I would conclude with an executive-ready value review, technical findings, remediation priorities, and a clear path to adoption.
I would acknowledge the concern and first understand their specific operational constraints and risk tolerance. I would explain the platform's production-safe approach using factual technical controls, scoped testing practices, and relevant evidence rather than making broad assurances. Where appropriate, I would propose a controlled evaluation plan that validates safety and value in their own environment.
I establish transparent expectations and do not overstate product capabilities or implementation timelines. When a question requires validation, I involve the appropriate product, engineering, or security expert and return with a documented answer promptly. This approach protects customer trust while keeping the sales process moving with clear next steps.
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