Description We are looking for an experienced and strategic HR Director to lead the People function at a fast-paced AI startup in San Diego, California. This role offers an exciting opportunity to build and scale HR systems and processes from the ground up, enabling innovation and growth within a high-tech, engineering-driven environment. The ideal candidate will be a proactive leader who thrives in dynamic settings, collaborates effectively with executive teams, and fosters a culture of excellence and adaptability. Responsibilities: • Develop and execute a comprehensive HR strategy that aligns with the company's mission and growth objectives. • Collaborate with executive leadership to design organizational structures that support scalability and innovation. • Drive talent acquisition efforts to attract top-tier engineering and AI talent, ensuring streamlined recruiting processes. • Implement HR policies, onboarding systems, compensation frameworks, and performance management programs. • Ensure compliance with California labor laws and global workforce standards across all operations. • Foster a positive employee experience by creating engagement programs and promoting diversity, equity, and inclusion. • Support leadership teams with coaching, conflict resolution, and organizational development initiatives. • Build scalable systems to support a hybrid and globally distributed workforce. • Develop learning and development programs tailored to technical and R& D-focused teams. • Act as a cultural ambassador by establishing values, communication norms, and team-building practices. Requirements • At least 8+ years of progressive HR leadership experience, preferably in startups or high-growth environments. • Proven ability to design and implement HR frameworks, including policies, recruiting strategies, and compensation structures. • Strong experience supporting engineering, R& D, or deep-tech organizations. • In-depth knowledge of California labor laws and global workforce operations. • Exceptional interpersonal and communication skills, with the ability to collaborate effectively with executives and technical teams. • Demonstrated expertise in employee relations, HR compliance, and benefits administration. • Adept at developing leadership coaching and performance management strategies. • Experience fostering a culture of innovation and adaptability in fast-paced environments. Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .