HR Business Partner

About The Role: We’re looking for a seasoned HR Business Partner who thrives in an evolving startup environment and brings both strategic insight and hands-on execution. This role is ideal for someone with 5 - 8 years of HRBP experience who is data-driven, deeply attuned to people and culture, and energized by designing and scaling impactful people programs. You’ll partner closely with leaders and employees, translating business priorities into high-impact people strategies that improve performance, engagement, and retention. You’ll use data to spot trends, anticipate challenges, and help leaders look around corners, while also being a trusted, visible presence with a strong pulse on the organization. This role is based in our Emeryville and/or Santa Clara office. What You’ll Do: Design, implement, and continuously evolve core people programs, including performance reviews, onboarding, manager development, learning & development, and employee relations practices. Partner with leaders to translate business goals into a scalable HR roadmap that supports rapid growth. Use people data and insights to inform decisions, identify risks and opportunities, and improve employee performance, engagement, and retention. Build and sustain a strong company culture by embedding Atomic Machines’ principles into all people programs and practices. Lead and resolve complex employee relations matters, conducting thorough, fair, and objective investigations, partnering with our external legal firm as needed. Own and optimize HR systems, regularly assessing effectiveness and ensuring we maximize their value as we scale. Maintain deep knowledge of California employment laws and best practices, mitigating risk and ensuring compliance; partner with external legal counsel as needed. Lead the design and delivery of management and leadership development programs, leveraging AI-enabled tools, learning platforms, and data-driven insights to scale high-quality training and support leaders as the organization grows. What You’ll Need: 5 - 10 years of progressive HR Business Partner or HR leadership experience, ideally within a fast-growing, technical startup environment; hardware experience is a plus. A strong passion for people - paired with the ability to balance empathy, business needs, and sound judgment. Proven experience designing, launching, and scaling people programs in dynamic organizations. A data-driven mindset with strong analytical and problem-solving skills; proficiency in using metrics and insights to guide decisions. A demonstrated ability to maintain a strong pulse on employee engagement, culture, and organizational health. Deep understanding of diversity, equity, inclusion, and belonging principles and how to apply them in practice. Strong working knowledge of California employment laws and people practices relevant to startup environments. Excellent communication and influencing skills, including experience partnering with and presenting to senior leaders. High discretion, sound judgment, and a strong ethical foundation. Comfort navigating ambiguity, change, and competing priorities in a rapidly evolving environment. Exceptional organizational skills and the ability to execute with rigor under pressure. Ability to work from our Emeryville or Santa Clara office at least three days per week (daily preferred). The compensation for this position also includes equity and benefits. Salary Range

$140,000 - $180,000 USD

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