Name of the occupation that does payroll?

There are many job functions in payroll. In a small company, the owner's wife may be the office manager which includes calculating and writing payroll checks and paying taxes. In a larger company, there may be a payroll clerk who reports to an accountant, or a payroll department with a Payroll Director, a Payroll Manager, many payroll supervisors, payroll specialists and payroll clerks. Each has different job functions. The payroll process can be housed in Accounting or in Human Resources.