Process and manage end-to-end payroll for multiple US-based entities, including regular, off-cycle, and ad hoc payroll runs; Ensure accurate calculation of wages, deductions, garnishments, tax withholdings, and all payroll-related transactions; Manage multi-state payroll tax registrations, closures, filings, and compliance - including SUI and SIT accounts; Lead year-end payroll activities including W-2 preparation, reconciliation, and distribution; Serve as the primary liaison with payroll vendors and resolve processing issues in a timely manner; Audit and maintain payroll records to ensure data integrity across all entities. Identify opportunities to streamline payroll and benefits processes, increase automation, and enhance the employee experience; Partner with Finance, Legal, and People Operations to ensure alignment on compensation, benefits, and compliance matters; Maintain clear, up-to-date process documentation and SOPs; Contribute to payroll and benefits projects and initiatives as needed.