US financial services company Citi is creating 600 jobs in Belfast's Titanic Quarter.
The new jobs will be in a number of areas, including legal compliance and human resources.
Citi said the jobs will have salaries of £35,000 (€44,000).
The company already employs 1,500 people in Belfast.
Northern Ireland First Minister Peter Robinson said: "The financial services sector is at the heart of the economy and the decisions and transactions that take place in Belfast will impact across the globe."
Citi set up a technology operation in Belfast in 2004 and said it operates in more than 160 countries and jurisdictions.
Deputy First Minister Martin McGuinness said: "This significant expansion by the corporate giant Citi will inject over £21 million of new salaries in the local economy every year."