Employees of postsecondary technical schools governed by the system who are appointed after July 1, 1987, or after the date on which the system assumes governance of the postsecondary technical schools shall have their compensation established in conformity with state board policy in accordance with the state board compensation plan in effect at the time of employment. Such employees shall receive benefits in effect at the time of employment available to state employees employed by the system. The benefits and compensation for any employee may be amended, increased, or decreased at any time as the system deems appropriate.