The Town shall have a Town Manager having powers and responsibilities pursuant to those enumerated in RSA ch37 but subject to the limitations established by this Charter, existing and future adopted applicable provisions of Conway Code as may be amended from time to time, and the powers reserved to or as may be established in existing and new commissions or boards as may be established by the Town hereafter. The Town Manager shall be under written contract to the Town, having a term as there under established but not to exceed five (5) years. Nothing shall prohibit successive contracts with a Town Manager provided the term of each shall not exceed five (5) years. Said contract shall be negotiated, or renegotiated as applicable, between the Town Manager and the Selectmen. The Selectmen shall establish an office for the same.