Processes weekly multi-state payroll for approximately 400 construction employees, including union payroll, adjustments, garnishments, payroll taxes, certified payroll, prevailing wage reporting, and W-2s. Audits timecards, labor allocations, job costing, and payroll data; reconciles payroll and maintains compliance with wage laws. Partners with HR, Accounting, project managers, and field supervisors while responding to employee inquiries, supporting audits, maintaining confidential records, and improving payroll processes.