People Operations Specialist

People Operations Specialist Get to Know Us Horizon3.ai http://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. About the Role We’re looking for an People Operations Specialist to join our People team and support our growing international workforce, with a primary focus on the Netherlands and broader EMEA region. This role is about execution excellence: you’ll keep our core HR processes running smoothly, ensure clean and compliant data across systems, and help us build scalable ways of working as we grow globally. Roughly 80% of your time will be focused on HR Operations, with about 20% dedicated to Workplace Support responsibilities in our Amsterdam office. You’ll report into our Senior HR Partner, International, and work closely with colleagues across People Operations, Total Rewards, Workplace, Finance, Legal, and IT. This is a great opportunity for someone early in their HR career who enjoys highly operational work, loves organizing and documenting processes, and thrives in a fast-paced, dynamic start-up environment. What You’ll Do - People (HR) Operations - Run core HR processes for our international employees, including onboarding, job changes, offboarding, and contract changes, ensuring a smooth, consistent experience for our Netherlands and broader EMEA population. - Maintain clean, accurate employee data and documentation across our HR systems (e.g., Rippling, Deel), including preparing and updating employment documents (offers, addenda, letters, templates) and supporting compliance with Dutch and EU employment requirements. - Coordinate with payroll, benefits, and immigration partners (entity and EOR) to support timely, accurate processing, including sharing data changes, checking outputs, supporting visa and work authorization processes (eg., highly skilled migrant applications), and helping resolve discrepancies. - Own documentation hygiene and first-line HR support for global HR operations: organize folders, refresh outdated content, maintain clear SOPs, checklists, and FAQs, and act as a first-line contact for employees and managers on operational HR questions, escalating complex or sensitive matters appropriately. - Contribute to international HR projects and continuous improvement, including documentation clean-up, process mapping, local policy/handbook updates, onboarding improvements, identifying and suggesting “1% improvements” to workflows, and collaborating cross-functionally with People, Workplace, Finance, Legal, and IT. - Workplace Support - Serve as the primary on-the-ground contact for our Amsterdam office, partnering with our serviced office provider, local leadership, and the Workplace team to keep the space running smoothly. - Coordinate day-to-day office needs, including supplies, snacks, mail/packages, access badges, and basic facilities requests, escalating ... (truncated, view full listing at source)