CURB MACHINE OPERATOR - 3 Year Experience Minimum. This talented individual will be a current resident of Arizona, a self-starter whom is well organized, highly motivated with a strong work ethic, goal oriented and care about quality as well as quantity of work, must be experienced in all Construction Concrete curb & gutter flatwork to include. CURB MACHINE OPERATOR. Concrete Finisher. Form Setter / Finisher. Curb & Gutter. Sidewalks. Driveways. ...