JOB SUMMARY: This position serves as a certified arborist at a National Park Service Unit. The primary purpose of the position is to provide proper care and maintenance of specimen trees and shrubs located within maintained landscapes, and mitigate hazard tree conditions along roadways and trails, and within developed areas such as campgrounds, picnic areas, etc., where the visiting public are invited to come; by performing arboricultural practices and applied arboricultural services. MAJOR DUTIES: Develops contract specifications for tree-related work to be accomplished by an outside contractor. Serves as park technical representative overseeing contracted tree work. Participates in project planning meetings and provides recommendations for construction preservation of trees in accordance with industry standards. Performs annual and comprehensive condition assessment of trees to determine the health & vigor, and structural stability of trees through the knowledge of tree identification, components, and structure. Provides treatment recommendations to improve the health & vigor and maintain the structural stability. Ascends/descends trees using a rope and work positioning saddle and various climbing methods to perform arboricultural operations aloft in trees that will be retained in the landscape. Ascends/descends trees using climbing gaffs (spikes) to perform arboricultural operations aloft in trees that will be removed from the landscape. Plants/transplants trees and shrubs using proper plant selection and planting techniques derived from the latest research and technological developments. Prunes trees and shrubs in accordance with industry standards to achieve desired objectives (e.g. reduce the risk of failure, improve fruit & flower production, etc.) using handsaws, pole saw, and chainsaws. Removes desired trees using a chainsaw and "directional felling" techniques. Performs "bucking" (cutting a tree into moveable sections), "limbing" (cutting limbs off of a tree), "brushing" (cutting woody vegetation up to 4 inch diameter), and "slashing" (cutting tree parts to lay flat on the ground) techniques. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.
