Human Resources Operations Manager

Founding HR / People Operations | Series A AI Startup | San Francisco (In-Person) Macmillan Davies is recruiting on behalf of a well-funded Series A AI company. They're hiring their first dedicated HR professional to own and scale core HR operations as they grow from 50 to 100+ employees. This is a greenfield, high-ownership role for someone who thrives on bringing structure to complexity and wants to build the People function from the ground up. What You'll Own: Full employee lifecycle: onboarding, offboarding, transitions, terminations HRIS management (Rippling), compliance, and employment documentation Benefits administration and payroll partnership with Finance Building scalable HR workflows and processes Employee relations, severance, and vendor/counsel partnerships You'll Be a Fit If: 4–8 years HR experience, ideally as a first or early HR hire at a VC-backed startup Strong California employment law fluency (in-person workplace considerations) HRIS expertise (Rippling preferred) and payroll fundamentals Proven experience handling terminations and severance with care and compliance Comfortable operating independently in a fast-moving environment Based in SF Bay Area and available 5 days/week in-person Up to $185K base Daily catered lunch, $150/month wellness benefit, commuter benefits This is a rare opportunity to be the first HR hire at a commercially successful, fast-scaling AI company with real product-market fit and enterprise traction. #J-18808-Ljbffr