Sr. Manager, People Operations
Quick Summary
Bachelor’s degree in Human Resources, Business Administration, Legal Studies,
All full-time roles are eligible for an equity package in the form of stock options. Perks of Horizon3.ai Inclusive Team: We value diversity and promote an inclusive culture where everyone can thrive.
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
~1 min readWe are entering an exciting stage of growth and scale, and looking for a Senior Manager, People Operations to drive our core HR functions and global expansion efforts towards success.
This is a high impact builder role, leading a team of direct reports and driving the work. This role will build on top of a solid existing foundation - iterating on the operating model, systems, processes, and workflows that support Horizon3’s international growth strategy and increasingly global workforce. You will evolve the People Operations team and infrastructure into a scalable, well-designed function.
Our ideal candidate will have deep international employment expertise, strong cross-functional project management skills, and systems proficiency to excel in this role. You will also be a coach to our People Operations team, who will significantly impact our global workforce capability and organizational growth.
Responsibilities
~1 min read- →
What We Offer
~2 min readRequirements
~1 min readBachelor’s degree in Human Resources, Business Administration, Legal Studies, or a related field (or equivalent practical experience)
Demonstrated experience leading global HR/People Operations initiatives across multiple regions (e.g., Americas, EMEA, APAC)
Proven experience establishing foreign legal entities and transitioning workforce models from EOR to direct employment
We are a fully remote company, and this job may require up to 25% of travel to be successful.
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.
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.
Location & Eligibility
Listing Details
- Posted
- September 28, 2026
- First seen
- September 28, 2026
- Last seen
- September 29, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 57%
- Scored at
- September 29, 2026
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