Can my employer inpose mandatory overtime, if it is not in my job description?

Answer 1

Yes, and only if you are an hourly employee. Courts have ruled against employers when employees presented hardship matters such as child care and health care. Most employers will devalue an employee who does not comply with overtime expectations. It does not not have to be spelled out specifically in a job description. There is usually enough vaguerness in personnel manuals to prevent lawsuits against employers except for cases of a hostile environment or safety issue.

Answer 2

Yup.