Human Resources Operations Manager

About HireIO HireIO is a top global talent solutions and workforce partner supporting high-tech, leading AI, robotics, infrastructure, and technology companies across the United States and globally. Our clients range from fast-growing AI startups to Fortune 500 technology companies. We are looking for an experienced, hands-on HR Operations Manager to help scale and manage our internal HR, contractor operations, payroll, compliance, and immigration processes in our Bay Area HQ Responsibilities HR Operations & Employee Lifecycle • Manage end-to-end employee and contractor onboarding/offboarding processes • Maintain HR records, employment documentation, and internal HR systems • Support employee relations and day-to-day HR operations • Develop and improve HR SOPs, policies, and operational workflows Payroll & Workforce Operations • Coordinate payroll processes for both internal employees and external contractors • Ensure accurate timesheet, invoicing, PTO, and compensation administration • Partner with finance and external payroll vendors as needed • Support multi-state employment administration and compliance Compliance & Employment Regulations • Ensure compliance with U.S. federal and state labor laws • Manage I-9, E-Verify, onboarding compliance, and employment documentation • Support contractor compliance and workforce classification processes • Maintain HR compliance across staffing and client-facing workforce operations Immigration & Visa Coordination • Coordinate immigration processes including:OPT/STEM OPT， H-1B, H-1B transfer, PERM/Green Card support • Work closely with immigration attorneys and employees on case tracking and documentation HR Systems & Process Improvement • Manage HRIS/payroll systems and improve operational efficiency • Help build scalable HR operational infrastructure as the company grows • Identify automation opportunities and process improvements Qualifications Must-Have • 5+ years of HR Operations / People Operations experience • Experience supporting contractor workforce, staffing, consulting, or outsourcing environments • Strong understanding of U.S. employment laws and HR compliance • Experience handling payroll operations and HR systems • Familiarity with immigration processes including OPT and H-1B • Strong organizational and project management skills • High attention to detail and strong sense of ownership Preferred • Bilingual in English and Mandarin Chinese is a plus • Experience in staffing agencies, consulting firms, EOR/payroll companies, or fast-growing startups • Experience managing multi-state workforce compliance • Familiarity with systems such as Rippling, ADP, Gusto, Deel, BambooHR, or similar • Experience supporting international employees What We’re Looking For This role is ideal for someone who: • Enjoys building operational systems and processes • Thrives in fast-paced, high-growth environments • Is highly responsive, organized, and detail-oriented • Can balance compliance, operations, and people support • Is comfortable managing multiple ongoing cases simultaneously Compensation • Competitive base salary + bonus • Health benefits • PTO • 401K • Career growth opportunities in a rapidly growing global company