C.R.S. § 31-4-211

(1) The city manager is responsible to the city council for the proper administration of all affairs of the city placed in his charge and, to that end and except as otherwise provided in this part 2, he shall have the power to appoint and remove all officers and employees in the administrative service of the city except the city attorney and the municipal judge. Appointments made by the city manager shall be on the basis of executive and administrative ability, training, and experience of such appointees in the work which they are to perform. All such appointments shall be without definite term. (2) Officers and employees appointed by the city manager may be removed by him at any time for cause. The decision of the city manager in any such case shall be final.