Reporting to the Field Arborist, the Tree Worker performs a variety of skilled tasks in the pruning, removal, installation, and treatment of trees on campus grounds. Attends bi-weekly arboriculture technique and safety training and field exercises for tree workers. Utilizes appropriate PPE and complies with industry safety standards on job sites and limits risk during tree care operations. Maintains current safety credentials required and hosted by EHS. Executes tree care work orders for customer requests, routine maintenance, emergency response, and plant health care programming. Implements proper pruning techniques including removal cuts that do not damage the branch collar and reduction cuts to the appropriate aspect ratio. Implements simple rigging techniques including standard tree care knots (running/standing bowline, clove hitch, timber hitch, and alpine butterfly), appropriate rigging point and redirect selection, and port-a-wrap installation and operation. Participates in job briefings before every job and establishes and maintains job site safety zones (drop zones) for all operations. Locates trees in the campus tree inventory for work planning and identifies trees in the field before job briefing begins. Communicates work order status to direct supervisor, accurately records labor hours per work order, and requests time off at least one week in advance. This position is designated as “Emergency Personnel”. Must be available twenty-four hours per day, seven days a week to provide support during planned events or emergency situations (such as inclement weather) to include being physically on site if deemed necessary. Operates various equipment such as farm type tractors, stump grinders and chippers as well as various bucket trucks and single axle dump trucks in a safe manner that limits risk and protects campus assets. Inspects all PPE, tools, ropes, equipment, implements, and vehicles for needed maintenance and replacement. Uses hand and power tools such as chain saws, hedge trimmers, blowers, shovels and rakes in a safe manner that limits risk and protects campus assets.