I don't know the exact details of DHS and UCSIS but typically, the number of employees is set by the Federal Budget and the have may have limited flexibility to

I don't know the exact details of DHS and UCSIS but typically, the number of employees is set by the Federal Budget and the have may have limited flexibility to hire more. To do something like that there would probably have to be special language written into the budget and it would have to be approved by Congress.