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Open: July 16, 2026 — Closes: July 29, 2026
Summary
This position is located at Sleeping Bear Dunes National Lake Shore and is not to exceed 1039 Hours in the year; The typical seasonal entry-on-duty period is October 2026-March 2027, but can be variable during these months due to weather conditions, project needs, or funding.
Major Duties
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. Documents assessment and treatment recommendations using a condition assessment report. Responsible for maintaining the overall tree inventory and performing arboricultural duties for three offsite locations; James A Garfield National Historic Site, First Ladies National Historic Site and Perry's Victory & International Peace Memorial. Coordinates tree care with site managers for all tree operations. Performs risk (hazard) assessment of trees to determine the presence of tree defects that have the potential to fail, resulting in personal injury and/or property damage. Rates the tree's potential risk of failure, provides treatment recommendations, and documents assessment and recommendations using a tree risk assessment report. Develops basic rigging plans that identify the methods and techniques that will be used to lower tree parts to prevent damage to adjacent objects or to dismantle trees that do not have adequate room for felling. Executes the rigging plan using ropes, slings, and mechanical devices to remove limbs, dismantle trees, and generate mechanical advantage. Performs "bucking" (cutting a tree into moveable sections), "limbing" (cutting limbs off of a tree), "Felling" (the process of downing individual trees), and "slashing" (cutting tree parts to lay flat on the ground) techniques. Prunes trees and shrubs in accordance with industry standards to achieve desired objectives (e.g., reduce the risk of failure, improve fruit and flower production, etc.) using handsaws, pole saws, and chainsaws.
