At Apple’s sparkling new complex in northwest Austin, workers who are spread throughout seven limestone-and-glass buildings field about 8,000 customer tech-support calls a day, manage the company’s vast network of suppliers and figure out how to move around millions of iPhones a week to ensure they get into the hands of customers when they want them.

Employees here help run Apple’s iTunes music and app stores, handle the billions of dollars going in and out of the company’s American operations and continuously update the Maps software that is integral to iPhones and iPads. At another Austin location, about 500 engineers work on the chips that will run the next round of Apple’s products.

The Austin campus — the company’s largest outside its headquarters in Cupertino, Calif. — offers plenty of perks, too. When employees are not working, they can lounge on chairs shaded from the Texas sun, dine at a two-story cafeteria that serves an abundance of food options, including barbecued ribs and banana-bread gelato, and visit a full-service medical clinic, which includes dentists, acupuncturists and a robot-assisted pharmacy.

Although contractors at the Austin technical support call center earn as little as $14.50 an hour, equivalent to about $30,000 a year, many of them become permanent staff members, which means better pay, after the typical one-year contract is up. Experienced call center employees earn around $45,000 a year, plus generous benefits and small annual stock grants. Pay is even higher for more senior advisers and managers. Apple says that, excluding benefits and stock compensation, the average salary of its Austin employees, including management, is $77,000 a year.

Apple declined to discuss its future expansion plans in Austin and in the United States.

“Apple has created over two million jobs in the United States since the introduction of the iPhone nine years ago, including explosive growth in iOS developers, thousands of new supplier and manufacturing partners, and a 400 percent increase in our employee teams,” the company said in a statement. “We made the unique decision to keep and expand our contact centers for customers in the Americas in the United States, and Austin is home to many of those employees. We plan to continue to invest and grow across the U.S.”