professional job; profession
医師や弁護士は専門職の代表例だ。
Doctors and lawyers are typical examples of professional jobs.
専門職として長年にわたりその道を究めてきた。
I have devoted many years to mastering my field as a professional.
この求人は専門職の資格保有者を対象としている。
This job opening is aimed at holders of professional qualifications.