Carlow is to get 120 new jobs.
Pharmacutical company MSD has announced 330 new roles coming on stream at its plants in Cork and Carlow along with a 280 million euro investment over the next 3 years.
210 of the jobs will be based in Cork with 120 in Carlow.
Roles will be available in technical, engineering, biochemistry, biology, quality and operations.
MSD currently employ over 1,600 people across four sites in Ireland – in Carlow, Cork, Dublin and Tipperary.