The council shall appoint, by resolution adopted by a five-sevenths majority vote of all members elected thereto, an officer of the city who shall have the title of city manager.
The city manager shall be chosen by the council solely on the basis of his executive and administrative qualifications in the profession of city management, as judged by the adequacy of his technical training and his successful experience in public administration. At the time of his appointment he need not be a resident of the city or state, but during his tenure of office he shall reside in the city. No council member shall be eligible for appointment as city manager during the term for which he has been elected, or for one year thereafter.