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 at least 6 months' of experience working in an actual 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 experiences listed above, you can still get granted for a runner position and work your way up.