The Canadian aircraft manufacturer employs about 4,000 people in Northern Ireland.Read more
Bombardier is to cut a further 490 jobs from its Belfast operations.
The Canadian aircraft manufacturer employs about 4,000 people across four locations in Northern Ireland.
The firm said it had "reviewed our manpower requirements in Belfast" and "regret to confirm that we must reduce our workforce".
It announced earlier this month that it was cutting 5,000 jobs across its global operations.
At the time the firm said 3,000 posts would be lost at its Canadian locations.
Bombardier is cutting 5,000 jobs globally in a bid to "streamline" its operations.
The struggling Canadian plane and transportation manufacturer said the cuts would be made over the next 12 to 18 months.
In a statement, Bombardier also said it would sell "non-core assets" worth about $900m, including the Q Series aircraft program and the de Havilland trademark.
It was unclear if any jobs at Bombardier's UK operations would be affected by the cuts.
Chief executive Alain Bellemare said: "We have set in motion the next round of actions necessary to unleash the full potential of the Bombardier portfolio."
Earlier this year, Bombardier sold a majority stake in its loss-making CSeries aircraft to Europe's Airbus, which has been renamed the A220.