Consultancy firm EY is to create 600 new jobs across its 10 offices in Ireland.
This will be made up of 237 experienced hires and 363 graduate roles in technology, corporate finance, business advisory, tax and accountancy and other areas.
This will bring the headcount in EY to just under 3,700 across the island of Ireland.
Some 366 of the roles will be based in the firm's two Dublin offices - the others will be spread across offices in Belfast, Cork, Galway, Limerick and Waterford.
This breaks down as 136 in Belfast, 55 in Cork and 43 across Galway, Limerick and Waterford.
The company says this follows a period of "market-leading double-digit growth for EY" over six consecutive years.
EY will actively recruit candidates to fill a variety of roles in growth areas including emerging technology, data analytics, IT advisory, risk, cyber, digital strategy and programme management.
Commenting on the announcement, Taoiseach Leo Varadkar said: "These are highly-skilled jobs that will be created across six cities over the next year.
"It's super that more than half of the jobs will go to new graduates, providing young people with a great start to their career straight out of college.
"The regional spread of new jobs across six city-regions is very much in line with the Government's focus on balanced regional development."
Frank O'Keeffe, managing partner at EY Ireland, added: "Our plans to create these 600 new roles over the coming months reflects our continuing strong growth across the island of Ireland.
"Our clients' business models are adapting to embrace digital transformation and other new opportunities while dealing with multiple macro-economic challenges.
"While there are many headwinds for Irish businesses, not least of which is Brexit, our clients are turning to us to support them on all of their strategic priorities including climate change, talent, digital disruption, global tax planning and heightened levels of assurance."