In this role, you will gather, organize, and verify a large and time-sensitive volume of payroll-related data - historical payroll and multi-year tax records from ADP TotalSource and ADP Workforce Now, plus benefits and retirement plan data - and perform meticulous, large-scale comparisons to ensure a smooth and accurate transition to Knightscope's new payroll system. Support the end-to-end payroll systems migration: download, extract, and organize multi-year historical payroll, timekeeping, and tax data from ADP TotalSource and ADP Workforce Now, including prior-year Forms 941/940, state and local withholding/unemployment filings, and W-2/W-3 records.