Hertz car rental company have announced 100 new jobs at the company's European shared services centre in Swords, Co Dublin.
The new jobs arise as Hertz expands its international operations here and the expansion is being supported by IDA Ireland.
The company already employs 830 in Swords and the new positions will be filled over the coming 12 months.
The expansion will see the Dublin operations include support elements in the areas of human resources, finance, sales and customer care as well as handing customer reservations and other support services for Europe, the Middle East and Africa.
Hertz is the world's biggest general use car rental company and the European shared services centre in Swords was set up in 1997.
But mobile phone company O2 today said that it is cutting approximately 50 jobs as part of a cost cutting plan.
Employees at the company's offices in Dublin and Limerick have been told about the planned job losses in meetings with management today.
The company says the redundancies will be compulsory and are as a result of a review of structures.
O2 employs 1,300 people here and the company says the redundancies will be in all areas, except retail and customer care.
It will now enter into a process of consultation with staff but expects the redundancies to take affect from late March or early April.