150 new jobs have been announced for Dublin.
Liberty Mutual Insurance Group is to create the positions over the next two years in its Blanchardstown office.
The new jobs will bring Liberty's workforce in Ireland to more than 1,500.
The expanded IT operations in Dublin will support the establishment of a Help Desk, a Security Operations Centre and a Software Engineering Unit. The company already employs 350 people in its IT department in Belfast.
Minister for Jobs & Enterprise, Richard Bruton, met senior executives from the company as part of an IDA Ireland investment mission to the USA in autumn 2013.