Kelly Parker was thrilled when she landed her dream job in 2012 providing tech support for Harley-Davidson's Tomahawk, Wisconsin, plants. The divorced mother of three hoped it was the beginning of a new career with the motorcycle company.

The dream didn't last long. Parker claims she was laid off one year later after she trained her replacement, a newly arrived worker from India. Now she has joined a federal lawsuit alleging the global staffing firm that ran Harley-Davidson's tech support discriminated against American workers — in part by replacing them with temporary workers from South Asia.

The firm, India-based Infosys Ltd., denies wrongdoing and contends, as many companies do, that it has faced a shortage of talent and specialized skill sets in the U.S. Like other firms, Infosys wants Congress to allow even more of these temporary workers.

But amid calls for expanding the nation's so-called H-1B visa program, there is growing pushback from Americans who argue the program has been hijacked by staffing companies that import cheaper, lower-level workers to replace more expensive U.S. employees — or keep them from getting hired in the first place.

"It's getting pretty frustrating when you can't compete on salary for a skilled job," said Rich Hajinlian, a veteran computer programmer from the Boston area. "You hear references all the time that these big companies ... can't find skilled workers. I am a skilled worker."

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