The Arborist Technician is responsible for the daily worksite supervision and delivery of assigned arboricultural projects.  Foremost, this involves applying implementation expertise and experience to providing crew motivation, direction, task instruction, site safety standards and working conditions while actively acting as the principal climber.  Assigned projects include tree inventory, assessment, evaluation, pruning, removal and chipping, the prevention, removal and extermination of pests and invasive species, forest health and hazard maintenance, and tree planting and reforestation.  In addition, the Arborist Technician is responsible for assisting with the evaluation, coaching, formal training and development of assigned staff, the allocation, care and maintenance of assigned and shared resources, troubleshooting and reporting on any project, staff or resource issues, and the completion of project information records while providing excellent customer and client service.  Occupational Health and Safety is a major responsibility of this position.


  • Post-secondary education in arboriculture, urban forestry, or a related field.
  • Certified Arborist.
  • Minimum 3-5 years’ experience in implementation tasks including a minimum of 3 years’ experience in supervisory tasks.
  • Demonstrated daily worksite coordination, site supervision, and associated responsibilities
  • Demonstrated high level of technical expertise and knowledge of best practices in Arboricultural services.
  • Demonstrated comprehensive knowledge and understanding of all relevant federal, provincial and municipal laws, acts and regulations, TRCA Policies and Procedures, and industry standards and their application to major task areas; specifically excellent knowledge of the Occupational Health and Safety Act and Regulations.
  • Demonstrated ability to understand, interpret and apply forestry plans, drawings, details and specifications.
  • Demonstrated high level of technical ability in the safe operation and maintenance of all vehicles and equipment related to Arboricultural Services, in particular as primary climber and rescue climbing.
  • Competence in forest inventory and herbicide / pesticide application.
  • Proven problem solving skills in dynamic site conditions.
  • Current, valid Class G Driver’s License (AZ is an asset), Chainsaw Operator and First Aid / CPR certificates.
  • Excellent communication and interpersonal skills, with proven leadership and ability to train and coach staff.
  • Basic GPS and computer literacy skills including word processing, spreadsheet and database functions.
  • Proof of training or certification in the following would be an asset: Utilities Arborist, Rescue Climbing, Hazard Tree Assessor, Butternut Assessor, Forestry or Landscape Exterminator, Cutter / Skidder, Fall Arrest, MFTIP, ELC, Horticulture, 'Train the trainer', Aerial Lift Operator, Radial Boom Operator, and GIS.


Perform the following tasks under general supervision:

  1. Provide on-site supervision and daily worksite coordination of assigned projects focusing on safety, quality and efficiency to meet client expectations and project milestones / schedules within budget. 
  2. Perform hazard assessments and daily ‘tailgate safety talks’ relevant to changes in type of work and site conditions and take required action to mitigate identified hazards.
  3. Interpret technical drawings and plans and direct daily tasks for assigned staff to ensure that deliverables meet the specified levels of accuracy, and troubleshoot to anticipate and mitigate potential issues.
  4. Safely operate and maintain arboricultural equipment and implement at a high level of technical expertise, efficiency, safety and accuracy.
  5. Assist in the performance evaluation of assigned field staff to inform development priorities, provide informal coaching and assist with formal training.
  6. Lead and motivate assigned crews to ensure effective communication and the proactive establishment of a positive and respectful work environment.
  7. Act as on-site point of contact to engage in public and internal conflict resolution
  8. Complete daily site work records, cost ledgers, report on any projected variances from schedules and budgets, and propose potential mitigation to supervisor for approval.
  9. Report incidents, and assist with follow up investigation, reports and recommendations.
  10. Provide tree health / removal recommendations; monitor active construction sites to assess and report damage to tree health as assigned.
  11. Other duties as assigned.

TRCA is committed to providing accommodations throughout the recruitment, selection and/or assessment process to applicants with disabilities.  If you require disability-related accommodations, please notify us and we will work with you to meet your needs. We encourage applications from all qualified individuals; however, only those under consideration will be contacted.

Restoration and Infrastructure
Full-time contract
Salary range: 
$23.43 - $25.08 per hour
Restoration Services Centre, 9741 Canada Company Avenue, Woodbridge, Ontario
Closing date: 
Oct 20, 2017
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