New Jersey is an atwill employment state, which means that you generally cannot be penalized for quitting a job without giving two weeks notice. Don't put in a two weeks.As soon as your onboarding is complete and you have a scheduled first day of training you quit without notice. What's your proof of the day and date you resigned? It's fine to resign in person, but follow it up in writing. A two weeks' notice has generally been seen as a common courtesy. Though both are used to inform supervisors that you've chosen to no longer work with them. You can be terminated at any time for any reason or no reason at all, and your employer can terminate you because you've said you want to work somewhere else. Two weeks' notice is expected, customary, and acceptable. Learn how to write a professional two weeks notice letter with our easytouse template.