* Εργασία (ergasia): This is the most common and generally applicable word. It refers to work, labor, or employment. This is probably your best bet in most situations.
* Απασχόληση (apaskolisi): This word emphasizes the state of being employed or occupied.
* Θέση εργασίας (thesi ergasia): This literally means "work position" or "job position," and is a more formal way to say "job."
So, while there's no single perfect equivalent, εργασία (ergasia) is the closest and most versatile option.