The phrase "as a waitress for" is correct and usable in written English.
It can be used when describing someone's role or job in a specific context, often followed by a time period or a specific establishment.
Example: "She worked as a waitress for three years at the local diner."
Alternatives: "in the role of a waitress at" or "serving as a waitress for".
She worked as a waitress for 30 years.
Ms. Chen worked 12-hour days, six days a week, as a waitress for two years, earning $350 a month, not including tips.
His grandmother had started the family's hard-knock cycle, running from an abusive marriage in Ohio to Miami, where she raised five children as a waitress for 40 years.
"I started in Sydney and worked in a restaurant as a waitress for a few months, which gave me the chance to see the city through the eyes of a local.
I worked as a waitress for a while, taught English and I even worked on a computer magazine which was a bit ridiculous as I'd never used a computer.
If you're lucky enough to get a job as a waitress, for instance, ($2 and change an hour, plus tips), but drop a stack of plates and break them, do you fess up and pay for the damage or hide the evidence to avoid busting your budget?
Trying to make ends meet on the tips she earns as a waitress and bartender, her concern is for the children she is raising.
Ramsay looked on wide-eyed as sunken-eyed septuagenarian Samy lied about the provenance of the ravioli, pocketed the waitresses' tips and couldn't tell Amy things were less than perfect, even as she fired a waitress for asking "Are you sure?" about which table a plate was bound for.
His goofiness turns into a sort of spastic grace, and you can see why Amelia (Annie Parisse), a singer earning money as a waitress, falls for him.
After attending the state university in Fargo, N.D., she worked as a waitress, then for the telephone company in Denver and in Arizona.
The great cast, with Friel a screwball heroine, Pace adorable, McBride a revelation and Kristin Chenoweth as good as always as a waitress pining for Ned?
