Recruiters across the world are getting an unprecedented flood of calls from Credit Suisse Group AG bankers seeking new jobs as the embattled Swiss lender is set to be taken over by UBS Group AG.

From Singapore to London to New York, headhunters and rival lenders have been fielding calls over the past few days from anxious Credit Suisse staff, according to people from more than a dozen firms with knowledge of the matter.

One firm in Singapore handled questions from some 30 mostly Credit Suisse private bankers about available jobs on Monday, while another recruiter in Hong Kong has been talking to more than 20 senior investment bankers since last week, the people said, asking not to be identified discussing confidential information. Meanwhile, a firm that’s focused on m…