Facebook is creating 200 new jobs at its social network's European headquarters in the south Docklands.
The tech giant says the roles will be in areas including sales, engineering and online operations and will be filled by the end of this year.
The new positions will bring its total Irish workforce to 1,500.
The company has also confirmed it has extended its facilities in the capital so that it could now house a workforce of 2,000.
Gareth Lambe is the head of Facebook Ireland and says Ireland is now a vital part of Facebook's global work: