Is an employee required to give his/her employer two weeks notice when quitting a job? July 28, 2021 20:11 No. Missouri follows the "Employment-At-Will" Doctrine, which does not require any notice. State laws provide no requirement for notice from or for employers. Related articles Is my employer required to pay me for unused vacation if I lose my job or quit? If an employee quits his job, when are the final wages due to him? Are breaks or lunch periods required? Can my employer fire me for missing work even if I have a doctor′s excuse? Can I file for unemployment if I am still working part-time or working for another employer but laid off of one job?