The length of the probationary period may not exceed 18 months. Yes, you can fire your employee without cause during her probationary period.No, unless contractually required, there is no requirement that either party provide any notice to terminate the employment. Would the employee be required to serve a probationary period in the position to which promoted? Look at your local employment laws, and also the clause on probation period. A probationary period is an initial period of employment where an employer can consider whether an employee is able to meet its standards and expectations. How Should Employers Set Out Probationary Periods? Probationary periods are normally included as a clause in the main Employment contract. (2) Probationary Status - indicates that a career service employee is serving a required probationary period of at least one year. Employees can be fired atwill during the probationary period unless contractually protected.