More information from O*NET OnLine:

Bartenders - 35-3011.00

O*NET-SOC Description

Mix and serve drinks to patrons, directly or through waitstaff.

35-0000	Food Preparation and Serving Related Occupations
35-3000	Food and Beverage Serving Workers
35-3010	Bartenders
35-3011.00	Bartenders

11-9051.00	Food Service Managers
35-1011.00	Chefs and Head Cooks Bright Outlook
35-1012.00	First-Line Supervisors of Food Preparation and Serving Workers
35-2014.00	Cooks, Restaurant
35-2015.00	Cooks, Short Order
35-2021.00	Food Preparation Workers
35-3023.00	Fast Food and Counter Workers
35-3023.01	Baristas
35-3031.00	Waiters and Waitresses
35-9011.00	Dining Room and Cafeteria Attendants and Bartender Helpers

Arrange bottles and glasses to make attractive displays.
Ask customers who become loud and obnoxious to leave, or physically remove them.
Attempt to limit problems and liability related to customers' excessive drinking by taking steps such as persuading customers to stop drinking, or ordering taxis or other transportation for intoxicated patrons.
Balance cash receipts.
Check identification of customers to verify age requirements for purchase of alcohol.
Clean bars, work areas, and tables.
Clean glasses, utensils, and bar equipment.
Collect money for drinks served.
Create drink recipes.
Mix ingredients, such as liquor, soda, water, sugar, and bitters, to prepare cocktails and other drinks.
Order or requisition liquors and supplies.
Plan bar menus.
Plan, organize, and control the operations of a cocktail lounge or bar.
Prepare appetizers such as pickles, cheese, and cold meats.
Serve snacks or food items to customers seated at the bar.
Serve wine, and bottled or draft beer.
Slice and pit fruit for garnishing drinks.
Stock bar with beer, wine, liquor, and related supplies such as ice, glassware, napkins, or straws.
Supervise the work of bar staff and other bartenders.
Take beverage orders from serving staff or directly from patrons.