Irish-based staff at Facebook parent company Meta have begun finding out if they will be impacted by job cuts announced last month.
Workers facing redundancy began receiving emails this week.
Meta has not said how many layoffs there will be at the company's Irish operation which employs around 2,000 people.
In January, Meta said it would cut around 5% of its "lowest performing" staff globally.
The company currently has around 72,000 employees so a 5% cut would equate to approximately 3,600 lay offs.
Meta said that the staff that are made redundant will be replaced by new hires meaning there will be no overall reduction in headcount.
"I've decided to raise the bar on performance management and move out low-performers faster," chief executive Mark Zuckerberg said in the memo to staff last month.
"We typically manage out people who aren't meeting expectations over the course of a year, but now we're going to do more extensive performance-based cuts during this cycle," the memo stated.
"This means we are aiming to exit approximately another 5% of our current employees who have been with the company long enough to receive a performance rating," it added.
Mr Zuckerberg also noted that the company would "provide generous severance."
The Department of Enterprise, Trade and Employment and IDA Ireland are in contact with Meta in relation to the possible impact for its Irish operations.
In recent years, Meta has cut around 840 jobs in Ireland with redundancies in November 2022 and again in May 2023.
