Grounds Maintenance. This position is under the direct supervision of the Forester/Arborist for the Mountain Air Property. Owner’s Association. Responsibilities. Maintenance of trees/shrubs, landscape beds, parks, trails, ROWs, and naturalized areas. Use of tools and equipment including chainsaws, blowers, hedge trimmers, hand tools and. more. Assisting in tree removal, pruning and plantings. Trail maintenance and upkeep. Landscape weed...