Our Emergency Vehicle Technicians maintain and repair our fleet vehicles and specialized equipment.


Job Description: Heavy Truck Mechanic


Reporting to the Captain Mechanical, within the Mechanical Division of the Toronto Fire Services, the Heavy Truck Mechanic’s duties will include, but are not limited to, the following:


Major Responsibilities

  • Dismantles, inspects, diagnoses, cleans, repairs, overhauls, replaces, installs, maintains, assembles, lubricates and/or adjusts diesel and gasoline powered equipment; gasoline, diesel, engines; cooling and exhaust systems; gasoline and diesel fuel systems; hydraulic systems; air supply systems; air and hydraulic brake systems; Alison automatic transmissions; drive lines; suspension and steering systems; starting and charging systems; electrical systems; heating, ventilation and air conditioning systems; tires, wheels and rims; differentials; axles; springs; fluid drives; etc.
  • Inspects, diagnoses, repairs, replaces, overhauls, adjusts, and maintains ignition and emergency lighting systems, starting motors, generators, alternators, and any other auxiliary parts of diesel, gasoline powered engines and equipment.
  • Diagnoses engine, transmission, and various component computerized controls using laptop and other diagnostic equipment.
  • Works directly and collaboratively with other mechanics to facilitate completion of repairs to vehicles and equipment.
  • Carries out preventive maintenance inspections, procedures, and servicing, and performs periodic mandatory commercial vehicle inspections (PMCVI’s).
  • Designs, fabricates, and fits parts, components, and assemblies.
  • Repairs firefighting equipment and related appliances.
  • Repairs and tests Self Contained Breathing Apparatus and associated medical equipment, defibrillators, gas detection equipment and thermal imaging cameras.
  • Performs Face Fit testing for TFS staff.

In addition to the above duties the successful candidates are required to:

  • Continually maintain a high standard of professionalism, integrity, reliability, and credibility, which are fundamental requirements for this position
  • Function as an integral member of the City of Toronto workforce to support corporate vision and mission statements
  • Function as an integral member of the Toronto Fire Service workforce to deliver and support Division specific vision and mission statements
  • Function as an integral member of the Toronto Fire Service emergency response team to deliver and support Division specific goals of emergency response and preparedness


Your application must describe your qualifications as they relate to the following:


Must possess:


  • Must possess a current and valid Certificate of Qualification (Ontario) Truck and Coach Technician (310-T).
  • Extensive experience (at least 5 years), in the area of heavy vehicle repair.
  • Must have experience in the area of hydraulics mechanics, within the last 3 years
  • As a condition of employment, the successful candidate must possess a valid Ontario Class “D” Driver’s License with “Z” air brake endorsement prior to commencement of employment.

Must also possess:


  • Pass in-house entry level TFS exam
  • Must be physically and mentally capable of performing the required duties of Heavy Truck Mechanic within Mechanical/Maintenance, and to work outside in varying weather conditions.
  • Must be able and willing to be trained to wear self-contained breathing apparatus.
  • Must successfully complete Face Fit testing and associated facial hair requirements.
  • Ability to work a compressed work week.
  • Ability to accurately diagnose and solve mechanical problems.
  • Familiarity with workshop safety.
  • Ability to maintain vehicle and maintenance records in a computerized environment, and to be trained in the Incident Command System used by Toronto Fire Services.
  • Ability to work effectively under stressful conditions.
  • Good oral and written communication skills.
  • Excellent customer service skills when dealing with the public, Fire Services, and other staff.
  • Ability to work in a diverse and inclusive work environment.
  • Ability to work effectively in a team environment and work independently with minimum supervision.
  • Ability to prioritize tasks, manage competing demands and meet deadlines.
  • Demonstrated commitment to personal and professional development and in continuing education through ongoing learning.



  • Psychometric testing may be required
  • Must provide a Criminal Record obtained from a police service in Ontario, to the satisfaction of Fire Services
  • Should you be hired into the Mechanical Division, and thereafter, request to transfer out of the Mechanical Division, your request may likely be denied due to operational need.



  • Previous fire apparatus maintenance experience would be considered an asset.
  • Possession of a current and valid minimum of level C CPR Certificate would be considered an asset.
  • Possession of a current and valid minimum Standard First Aid Certificate, issued by a WSIB approved First Aid Trainer would be considered an asset.


Assessment of Candidates

  • May include any one of the following: the pre-screening of candidates, resume reviews, interviews, presentations, tests, or exercises, which may be in addition to any listed in this document or in the job posting.


Additional Requirements

Medical Clearance


Prior to being hired or transferred, the successful candidate may be required to participate in the following:


(a) Participate in a comprehensive medical examination, and

(b) Receive medical clearance by TFS Chief Medical Officer.


Employee Reference Check Clearance


Prior to being hired, the successful candidate must:


(a) Provide at least three employment references, and

(b) Receive employment reference clearance from TFS.


Prior to being transferred, the successful candidate may require:


(a) Reference /records check clearance from TFS.


(Note: This applies to only candidates requesting transfer to
a division in which they were not previously qualified)


Criminal Reference Clearance


Prior to being hired or transferred the successful candidate must:


  1. Provide a criminal record check from a Police Service in Ontario


Post Transfer Training and Assessment

Candidates who successfully transfer to another division must:


  1. Successfully complete his/her assigned training, and
  2. Successfully complete the assessment period.


Transferees who fail to achieve either (a) or (b) shall be considered to be unqualified for the position to which they transferred. In such cases, transferees shall be transferred back to their previous division with no impact on service or seniority within that division.