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.

What You'll Do

The Account Executive – UK Public Sector is a key role responsible for driving sales growth and expanding Horizon3.ai's footprint across UK public sector organisations. The focus is on acquiring new accounts within local government (non-defence), local NHS and healthcare bodies, local authorities, blue light services, and higher education institutions — building strong relationships, ensuring customer satisfaction, and driving long-term retention.

The successful candidate will have a proven track record in selling cybersecurity technologies to UK public sector buyers, navigating government procurement frameworks, and exceeding sales quotas consistently. They will also be adept at establishing and nurturing Channel Partner relationships, with pre-existing connections with key public sector resellers and system integrators in the region being a crucial requirement.

Key Responsibilities & Requirements

• Public Sector Sales Experience: Minimum of 5 years of successful sales experience in the cybersecurity or technology industry, with at least 2 years selling directly into UK public sector accounts (e.g. central government departments, NHS trusts, local councils, emergency services, or higher education).

• Introduction of New Solutions: Demonstrated success in introducing and selling new, disruptive cyber software solutions to risk-averse public sector buyers.

• Quota Achievement: Proven ability to exceed sales quotas consistently quarter over quarter.

• Government Procurement Expertise: Strong working knowledge of UK public sector procurement frameworks including G-Cloud (Crown Commercial Service Digital Marketplace), Crown Commercial Service (CCS) agreements, and other relevant framework vehicles.

• Compliance & Standards Awareness: Familiarity with UK government cybersecurity standards and initiatives including Cyber Essentials, Cyber Essentials Plus, NCSC guidance, and the Public Sector Network (PSN) standards.

• Go-to-Market Planning: Can build, present, execute and adapt a business plan to surpass the bookings quota and that unites all demand generation functions e.g. Channel, Marketing etc.

• Marketing: Take a proactive role in developing and running marketing activities including events, messaging and customer advocacy

• Channel Partner Management: Experience in establishing and monetising strong Channel Partner relationships, with existing relationships with public sector-focused resellers, system integrators, or consultancies being essential.

• Sales Process Management: Proficiency in managing all aspects of the sales cycle, including qualification, proof of value, forecasting, negotiation, and deal closure — including longer public sector procurement cycles.

• Post-Sales Management: Ability to manage and drive the post-proof of value ROI process.

• CRM and Pipeline Management: Experience in accurately tracking and managing customer information in a company-provided CRM, and maintaining an accurate pipeline and forecast in Salesforce (SFDC).

• Product Presentation and Demo: Capability to present and demonstrate Horizon3.ai solutions effectively in both virtual and in-person meetings with technical and non-technical stakeholders, including IT leads, CISOs, and senior procurement officials.

• Independent and Team Player: Demonstrated ability to work independently while collaborating effectively with distributed sales, support, and success teams.

• Sales Methodology: Familiarity with Challenger or Question-Based Selling methodologies. MEDDPICC training is valued but not mandatory.

• Sales and Marketing Tools: Familiarity with sales enablement tools including Salesforce, Gong.io, Outreach.io, LinkedIn Sales Navigator, ZoomInfo, and Slack.

What You'll Bring

• Sales Experience: Minimum of 5 years in a sales role in cybersecurity or SaaS technology, with a clear focus on public sector accounts

• Industry Experience: Preference of a minimum of 2 years working in the UK Public Sector for a SaaS or Cybersecurity vendor

• Public Sector Network: Established relationships with decision-makers across UK public sector verticals such as NHS, NHSX, local government, higher education, or blue light services

• Education: A university degree or equivalent work experience required

Travel Required

We are a remote working company for most roles and location. This role may require up to 50–60% travel within the UK to attend customer meetings, public sector events, and industry forums (e.g. Govtech, NCSC CyberUK). Job-related travel expenses are claimable, reviewed by your manager.

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.

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.

• OTE: £200,000 – £250,000 (50/50 split) annually. The exact salary will be determined based on the selected candidate's 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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