HR Business Partner

About Base Base is America’s next-generation power company. We’re rebuilding the foundation of modern civilization–electricity–by deploying a vast network of distributed batteries that is transforming today’s fragile, centralized grid into a resilient and abundant system. We are engineers, operators, and creatives solving some of the most complex, interdisciplinary challenges of our time. About the Role We are seeking a HR Business Partner that will help build the infrastructure and support systems our rapidly expanding teams need to thrive. This role will be embedded primarily with our Engineering and Support organizations, working alongside managers and employees to make sure people operations run smooth, feel fair, and scale with Base. What You’ll Do Serve as the day-to-day HR resource for leaders and employees in assigned departments - fielding questions, proactively flagging issues, and helping people navigate HR processes Partner with leaders on employee relation matters, performance management conversations, and engagement efforts Support the full employee lifecycle: onboarding, performance cycles, leave requests, employee relation issues, accommodations, and offboarding Advise leaders on how to understand and apply HR best practices consistently and confidently Identify any area trends to proactively address them alongside leadership before escalation occurs Collaborate with the Talent team to maintain high talent bar while providing guidance on Total Rewards, as needed Actively contribute to building out HR programs, processes and documentation as the function grows Support compliance efforts including policy updates, training rollouts, and recordkeeping Assist with people data and reporting - headcount, attrition, leave tracking - and help improve how we capture and continuously improve those metrics What You'll Bring Bachelor’s degree in Human Resources, Organizational Development, Psychology or a related field 2-4 years of progressive HR experience in a fast-growing organization Experience navigating HRIS systems (Rippling preferred), utilizing compensation platforms like AON Radford, and leveraging AI tools to streamline workflows Knowledge of basic employment laws - multi-state experience is a plus Strong instincts around confidentiality, discretion and when to escalate Comfortable working directly with leaders and pushing back when needed Experience supporting technical or operations teams is a bonus but not required Ability to adjust communication style based on the audience About this Team We are a lean but mighty team building the HR infrastructure to move Base from a fast-growing startup to a scalable organization. We are highly collaborative and believe no task is too small—whether we are architecting manager training, answering day-to-day benefits questions, or designing the blueprint for how we hold ourselves accountable. As a foundational member of our team, you will directly shape a fair, consistent culture and leave a lasting mark on how Base operates for years to come. We lead by example, live our principles, and are driven by our mission to fix the grid. If you thrive in an ever-changing environment and love solving big challenges, this is the role for you. Please note: Base is a startup, which means priorities shift and evolve quickly. Your role may expand or change based on the needs of the business at any given time, so the responsibilities listed may not be exhaustive. Our Values First Principles Thinking: Question assumptions. Principles > rules. Operate at Base Pace: Focus on what matters, act quickly, and learn by doing. Give & Get Feedback: Be direct, be humble, and maintain a growth mindset. Everyone’s an Owner: Follow through on commitments and own results. Strong Opinions, Loosely Held: Drive clarity and make calls with imperfect information. Committed to the Mission: Rebuilding the grid is a big challenge. We work hard because we care deeply about the impact we’re creating. We work in-person. It’s not a 9-to-5. We are all-in. Fun & Optimism Coexist with Grit: Collaboration and celebration coincide with the intensity of building real things. Do the best work of your life at Base.

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