Answer: Expatriate, third country national.
Explanation: An international employee is an individual who is employed to work in a company that is not in his country of origin.
International workers are most times referred to as expatriates. Expatriates are people who live and work in a country which is not their country of origin.
A third country national is an individual living in a country foreign to his, and applying for a visa to migrate to another foreign country. A third country can also fill in the category of an international worker.