Amazon is preparing to announce sweeping job cuts beginning Tuesday, CNBC has learned.

The layoffs will amount to the largest cuts to Amazon’s corporate workforce in the company’s history, spanning almost every business, according to a person familiar with the matter, who asked not to be named because the details are confidential.

Amazon is expected to begin informing employees of the layoffs via email Tuesday morning, the person said.

The company plans to lay off as many as 30,000 staffers across its corporate workforce, according to Reuters, which first reported the news.

Amazon declined to comment.

Amazon is the nation’s second-largest private employer, with more than 1.54 million staffers globally as of the end of the second quarter. That figure is primarily made up of its warehou

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