Senior HR Business Partner, GTM

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.

What You’ll Do

We are looking for an experienced, savvy HR Business Partner who operates with conviction and urgency to help Horizon3.ai scale through its next phase of growth. The People team is evolving quickly to support a high-growth business, and we are looking for teammates who are thoughtful, collaborative, and excited to build and scale programs that drive real business impact.

As an HRBP, you will partner closely with leaders and employees across the organization—particularly within our go-to-market teams—to drive meaningful outcomes across organizational design, talent management, coaching and development, compensation, performance management, and employee relations. You will play a key role in translating business priorities into people strategies that enable teams to perform at a high level and scale effectively.

Working alongside a growing team of HRBPs and People Ops partners, you will help shape and execute HR strategy, bringing a balance of strategic thinking and hands-on execution. This role requires someone who is comfortable operating in a fast-paced, evolving environment and can build, iterate, and improve programs in real time as the business grows.

This role will be responsible for…

• Acting as the HRBP to GTM leaders (Sales, CS, Marketing), deeply understanding revenue drivers, segment strategy, and regional expansion plans

• Partnering with GTM leadership to translate business goals (quota attainment, pipeline growth, retention) into org design, talent, and performance strategies

• Coaching frontline and second-line sales leaders on performance management, accountability, and building high-performing teams in a quota-driven environment

• Supporting manager effectiveness in GTM, including inspection rigor, feedback culture, and consistent performance standards across segments (e.g., SDR, AE, CS)

• Driving performance management processes (goal setting, reviews, calibration) with a focus on differentiating top vs. low performers in a revenue context

• Identifying and addressing performance, retention, and engagement risks within GTM teams using data (attrition, ramp, productivity)

• Advising on org structure and coverage models (territories, segments, pods) to support scale and efficiency

• Partnering closely with RevOps and Finance to align headcount planning, productivity expectations, and compensation considerations

• Leading talent reviews and succession planning for key GTM roles, ensuring strong bench and internal mobility

• Supporting onboarding and ramp programs for new managers and leaders in GTM, with a focus on speed to productivity

• Managing employee relations issues within GTM teams with sound judgment, balancing business needs, fairness, and risk

• Partnering with People Ops on compensation questions, performance philosophy, and scalable programs tailored to GTM needs

• Using data and insights to proactively guide decisions, not just respond to issues

What You’ll Bring

• Proven HRBP experience (7 - 10yr) supporting high-growth GTM or sales organizations

• Strong understanding of sales motions (SDR, AE, CS), performance metrics, and productivity drivers

• Experience coaching sales leaders and managing performance in quota-carrying environments

• Ability to operate as a strategic partner while also executing in a fast-paced, hands-on environment

• Comfort using data to influence decisions and challenge leaders constructively

• Strong judgment in employee relations and ability to navigate ambiguity and complexity

• You have significant experience partnering with globally distributed teams across time zones

• You easily build trust with your stakeholders by being open and transparent, and always following through

• You have a deep knowledge of HR programs and practices, including employment laws and regulations, coaching and facilitation, and performance management and employee relations.

• You are comfortable navigating a fast-changing environment and managing change.

• Experience with building and facilitating training, workshops, and development programs

Travel Encouraged

We are a fully remote company, and this job may require up to 10% of travel to be successful. We encourage our people partners to join the departments they support at things like Sales QBRs, Engineering Planning Onsites, etc.

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.

• Hybrid & Remote Work: We embrace a mix of remote and hybrid work models depending on role and location, including our Chicago office, where some roles require regular in-office presence.

• 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. 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: $150,000 - $220,000 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.

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, 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.