An employee separated during a probationary period will receive at least one calendar day's written notice before being separated. Next subsection, if the position is based on a probationary period enter that period of time here.For example, you may enter 3 months or 30 days. Learn about Public Health - Seattle and King County employment types, hiring and selection processes, application procedures, and probationary periods. Did you hire a new employee? Learn all about probationary period, what you should keep in mind, and how to do it right at Homebase! Many employers have enforced probation periods for newly hired employees, often for 60 or 90 days. This is usually linked to employee benefits. During the probation period employees serve as at-will employees and may be terminated without cause and without right of appeal. Can You Be Fired During the 90Day Probationary Period?