The City Engineer shall be appointed by the Commissioner of Public Works for an indefinite period. The Engineer shall be a professional civil engineer licensed in the State of Vermont whose duties shall include: (A) responsibility for all public surveys of the public streets, water courses, water works, bridges and culverts, sewers, and grounds of said City and all plans and specifications for the construction, improvement, and repair thereof; (B) consideration of long range planning commensurate with said duties; (C) consulting engineer for all boards and officers created or authorized by this charter; (D) traffic engineer for the City.