Ability to: Plan, organize, schedule, assign, and direct maintenance programs, projects, and activities, including oversight of staff and contractors; conduct field inspections and investigations of tree and landscape maintenance projects; make accurate assessments of staff and contractor work quality; train others in proper and safe work procedures; read and interpret plans, blue prints, and specifications; develop cost estimates for supplies and equipment; resolve problems resulting from inspections; understand oral and written instructions; maintain accurate records; prepare written reports; make accurate mathematical calculations; effectively and safely use tools and other related equipment; interpret, apply, explain, and ensure compliance with applicable federal, state, and local regulatory codes and ordinances and departmental policies and procedures; make sound, independent decisions within established policy and procedural guidelines; organize and prioritize a variety of projects and multiple tasks in an effective and timely manner; organize own work, set priorities, and meet critical time deadlines; operate modern office equipment including computer equipment and tree management and irrigation system management software programs and centralized irrigation systems; use English effectively to communicate in person, over the telephone, and in writing; use tact, initiative, prudence, and independent judgment within general policy, procedural, and legal guidelines; establish and maintain effective working relationships with those contacted in the course of work. Knowledge of: Principles, practices, landscape installation and maintenance requirements; irrigation systems; landscape irrigation water management and water budgeting principals, and specifications for landscape contracts; principles and practices of and tools, equipment, and materials used for maintaining assigned City infrastructure, facilities, and right-of-way areas; principles and practices of contract administration and evaluation; basic principles of supervision and training; applicable federal, state, and local laws, regulatory codes, ordinance, and procedures relevant to assigned area of responsibility; safety equipment and practices; arithmetic techniques; record keeping principles and procedures; modern office practices, methods, and computer applications; techniques for providing a high level of customer service by effectively dealing with the public, vendors, contractors, and City staff.