what are the most common careers in ireland?
Accordiing to the source linked below, Ireland's workforce is divided as follows.
agriculture: 8%
industry: 29%
services: 64% (2002 est.)
https://www.cia.gov/library/publications/the-world-factbook/geos/ei.html#Econ
Industry means meanufacturing, which includes engineers, managers, and production workers. Services includes education, health care, information services, police officers, social workers, and retail clerks.