The senate and the house of representatives, or either thereof, are each authorized to employ such officers and employees as may be necessary or appropriate. All such officers and employees shall receive compensation fixed by the legislative coordinating council, and the same shall not be subject to approval under any other act. All such officers and employees shall be in the unclassified service of the Kansas civil service act. The director of legislative administrative services shall prepare and maintain payrolls and personnel records for such officers and employees.