ISA Certified Arborist — Field-Based Tree Health & Preservation

The Dirty Horticulturist, LLC; Cleveland (OH); On-site; USD 41,000 - 48,000; Full time

Job summary

The Dirty Horticulturist, LLC in Greater Cleveland is seeking a full-time ISA Certified Arborist to lead field-based arboriculture work, including tree health assessment and root disturbance evaluations. You will deliver practical preservation strategies across diverse sites.

You will collect field data, input it into Excel and digital inventory systems, and coordinate with homeowners, contractors, municipalities, and project partners. Climbing experience is not required.

Qualifications

• ISA Certified Arborist credential required.
• Demonstrated proficiency in tree identification and health assessment.
• Knowledge of arboriculture principles and construction impacts.
• Strong written and verbal communication skills.
• Ability to manage project data using Excel and digital tools.

Responsibilities

• Identify tree species in the field.
• Assess tree health, root health, and site conditions.
• Recognize tree risk factors and construction related impacts.
• Conduct and complete root disturbance impact assessments.
• Support tree preservation planning, construction monitoring, and mitigation.
• Perform tree inventories and collect accurate field data.
• Input and manage project data using Excel and field devices.
• Maintain digital records and project documentation.
• Assist with root collar excavation and related preservation work.
• Assist with Plant Health Care services where applicable.
• Communicate clearly with homeowners, contractors, municipalities, and partners.
• Support field oversight across multiple job sites.

Skills

ISA Certified Arborist

Tree identification

Tree health assessment

Arboriculture knowledge

Site risk awareness

Effective communication

Education

Associate degree in Agriculture/Horticulture/Forestry or related field

Ohio Commercial Pesticide Applicator License is a plus

ISA TRAQ is a plus

Tools

Microsoft Excel

Electronic field devices

Digital platforms / inventory systems

Job description

The Dirty Horticulturist, LLC in Greater Cleveland is seeking a full-time ISA Certified Arborist to lead field-based arboriculture work, including tree health assessment and root disturbance evaluations. You will deliver practical preservation strategies across diverse sites.

You will collect field data, input it into Excel and digital inventory systems, and coordinate with homeowners, contractors, municipalities, and project partners. Climbing experience is not required.