The governing board of any school district having an average daily attendance of 10,000 or more may appoint a director of school building planning, who shall be a person qualified by training, experience and demonstrated ability to manage the building, construction and contracting business of the district. The director shall be responsible for the coordination of the building program of the district and shall advise the superintendent of schools and other employees of the district with respect to the negotiation and performance of school building construction contracts let by the governing board of the school district.