Sales Arborist – Monster Tree Service of Lake County Monster Tree Service of Lake County has an outstanding opportunity for an experienced Sales Arborist who will be responsible for maintaining the highest level of customer satisfaction, estimating job costs, and achieving budgeted sales goals for your territory. Extensive experience, state-of-the-art equipment, a true love and commitment to the environment, superb customer service, a rapidly growing footprint, dynamic work ethic, a unique philosophy, and most important…the Monster Team!