Job Description   The City of Avondale has an opportunity for a Parks Maintenance Supervisor in the Parks, Recreation and Libraries Department.  This is a FLSA exempt, full-time position with benefits.   Oversees the maintenance, operations, and management of public parks, open spaces, trails, cemetery, and other city properties. Performs landscaping, project management, and facility design reviews. Manages and maintains the division's maintenance contracts. Assists in preparing and managing the parks maintenance budget. Leads, trains, and evaluates performance of full-time and part-time department personnel. Provides input on capital improvement projects and grant applications. Manages the establishment and maintenance of