There are some specific requirements that needs to be filled if you are to be granted waiter position. The requirements you can see listed under.
You need atleast 6 months of experience working in an a la carte restaurant
You need experience taking orders from tables
You need experience presenting food
You need experience carrying three plates or more
You need experience carrying trays
In case you do not have the experience listed above, you can still get granted for a runner position. Just make sure to fill out the references for it.