New

Sr. Manager, People Operations

United StatesUnited Statesfull-timesenior
People OperationsHuman Resources
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Quick Summary

Key Responsibilities

Bachelor’s degree in Human Resources, Business Administration, Legal Studies,

Requirements Summary

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.

Technical Tools
People OperationsHuman Resources

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 read

We 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
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What We Offer

~2 min read
✓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.In accordance with various State’s transparency regulations, we provide the following salary range information for this position:Base salary range: $169,868 - $222,050 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.

Requirements

~1 min read
  • Bachelor’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

Where is the job
United States
On-site within the country
Who can apply
US

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

Signal breakdown

freshnesssource trustcontent trustemployer trust
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Sr. Manager, People Operations