AIB is to cut 1,500 jobs over the next two years.
The job cuts will be made by the end of 2022.
Profits at the bank fell by 60% last year largely due to the tracker mortgage scandal.
Colin Hunt, CEO at AIB, said the job losses will be achieved in a number of different ways.
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Mr Hunt said: "Retirements in the normal course of business, people choosing to leave the bank to pursue careers elsewhere and, thirdly, a voluntary severance programme."