The director of administration shall select and engage all of the employees in his or her judgment necessary therefor, fix their compensation, and discharge them at his or her pleasure, and shall cause to be purchased all materials, supplies, and tools necessary for the care and maintenance, including gas, water, electric lights, and power, and electric clock, and local telephone service, to be paid for out of the appropriation that shall be made by the general assembly from time to time for those purposes upon vouchers approved by the director of administration.
R.I. Gen. Laws § 37-8-4