International HR Partner

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.

About The Role

We’re looking for an experienced and globally minded International HR Partner to help us shape the future of our international workforce. Based in Amsterdam, you’ll play a dual role: driving the hands-on operational excellence needed to keep our HR foundations strong, while also serving as a strategic advisor to managers on people, performance, and organizational development.

This is a unique opportunity to become the cornerstone of our International People team, with a strong focus on the Netherlands and growing influence across multiple global markets. If you’re passionate about combining your expertise in Dutch employment law with the chance to influence international HR strategy, this is the role for you.

What You’Ll Do

• Hr Business Partnering

• Act as a trusted advisor to managers, guiding them on employee relations, disciplinary processes, and performance management across many international locations. Priority is strong experience with Dutch law and local best practices and then familiarity with or willingness to learn and adapt practices for international locations in the UK, EMEA, and APJ.
• Provide coaching and development support to leaders, helping them build strong, people-first leadership skills.
• Serve as a cultural ambassador, ensuring the employee experience is positive, inclusive, and aligned with company values.
• Spot emerging people trends and recommend proactive solutions to boost engagement, retention, and organizational growth.
• Projects & International Collaboration
• Adapt and localize global HR policies to meet Dutch, UK, EU, and other international compliance standards.
• Lead or contribute to strategic HR initiatives like compensation benchmarking, policy harmonization, and engagement programs.
• Partner with colleagues across regions to scale HR processes internationally, bringing deep expertise in Dutch employment law and experience across other international markets.

• Hr Operations

• Own the end-to-end employee lifecycle for international employees (with emphasis on the Netherlands), including onboarding, offboarding, contracts, and compliance.
• Guide employees and managers on statutory entitlements such as holidays, sick leave, parental leave, and dismissal procedures.
• Manage HR systems and records in line with GDPR and local compliance requirements.
• Partner with external payroll and benefits providers to ensure accuracy and compliance across multiple countries.
• Oversee visa and work permit processes (including highly skilled migrant applications) in partnership with advisors.
• Act as a trusted advisor to managers, guiding them on employee relations, disciplinary processes, and performance management across many international locations. Priority is strong experience with Dutch law and local best practices and then familiarity with or willingness to learn and adapt practices for international locations in the UK, EMEA, and APJ.
• Provide coaching and development support to leaders, helping them build strong, people-first leadership skills.
• Serve as a cultural ambassador, ensuring the employee experience is positive, inclusive, and aligned with company values.
• Spot emerging people trends and recommend proactive solutions to boost engagement, retention, and organizational growth.
• Adapt and localize global HR policies to meet Dutch, UK, EU, and other international compliance standards.
• Lead or contribute to strategic HR initiatives like compensation benchmarking, policy harmonization, and engagement programs.
• Partner with colleagues across regions to scale HR processes internationally, bringing deep expertise in Dutch employment law and experience across other international markets.
• Own the end-to-end employee lifecycle for international employees (with emphasis on the Netherlands), including onboarding, offboarding, contracts, and compliance.
• Guide employees and managers on statutory entitlements such as holidays, sick leave, parental leave, and dismissal procedures.
• Manage HR systems and records in line with GDPR and local compliance requirements.
• Partner with external payroll and benefits providers to ensure accuracy and compliance across multiple countries.
• Oversee visa and work permit processes (including highly skilled migrant applications) in partnership with advisors.

What You’Ll Bring

• 5+ years of HR Generalist / HRBP experience, with hands-on expertise in the Netherlands.
• In-depth knowledge of Dutch labor law, Works Councils, collective agreements, and dismissal processes.
• A strong track record of advising managers on performance, employee relations, and change management.
• The ability to balance strategic thinking with operational execution.
• Exposure to HR practices across international markets (UK, Germany, France, Middle East, Australia) is a strong plus.
• Fluent English required; Dutch language skills strongly preferred.
• Adaptability, resilience, and confidence in a fast-paced, scaling global environment.

Why Join Us?

• Make Your Mark: You’ll have the opportunity to influence and shape HR practices in one of our most important international hubs.
• Global Impact, Local Expertise: Be the voice of Dutch and European HR while contributing to an integrated, worldwide People strategy.
• Trusted Advisor Role: Gain visibility across the business as a go-to partner for leaders.
• Collaborative Culture: Join a supportive, innovative, and globally connected People team that prioritizes employee experience.
• Competitive Rewards: Enjoy a compensation and benefits package tailored to the Dutch market.
• Trusted Advisor Role: Gain visibility across the business as a go-to partner for leaders.
• Collaborative Culture: Join a supportive, innovative, and globally connected People team that prioritizes employee experience.
• Competitive Rewards: Enjoy a compensation and benefits package tailored to the Dutch market.

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.

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.
• 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.

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.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.