Communications giant EE is to create 1,000 new jobs over the next two years and triple the size of its apprenticeship scheme.
The company announced it was bringing customer service jobs to the UK from overseas centres, with plans for 250 posts in Northern Ireland in the coming months.
The apprenticeship programme will rise to 1,300 by the end of next year.
EE chief executive Olaf Swantee said: "I'm very proud that EE is leading the UK telecoms industry, delivering not only the first but the biggest and fastest 4G network for the country.
"Within 18 months, I want to be able to say that EE has done for customer service in the UK what it has done for networks. A major step towards this is returning 1,000 customer service jobs to the UK, where performance has been shown to exceed that of overseas contact centres.
"At the same time, our plans to triple our apprenticeship programme will play a significant role in tackling youth unemployment in many areas, and bring a large number of digitally skilled employees into the business. Today's announcement is great news for our customers and a welcome boost to the UK."
As part of our long term economic plan, I believe we can become the world's leading re-shoring nation and provide new opportunities for hard working people.
"I'm also delighted that the successful EE apprenticeship scheme will be expanded to help even more young people develop their skills."