When an individual is employed "at will," the employer is able to terminate employment at any point in time; without providing an explanation. In the same manner, the employee is free to stop working whenever they choose to do so.
The concept of at-will employment has been around for over 100 years. At-will employment is based on a practice that allows either the employer or employee to terminate the relationship at any time. Interestingly, if the employee feels, and a court or arbitrator decide, that they were terminated for a specific reason, then the company may need to demonstrate "just cause."
Employers are prohibited from terminating an employee at-will in the following situations:
Finally, even when employed at-will, it is illegal to fire individuals under certain conditions. For example, individuals cannot be fired due to gender, religious beliefs, or age.