Joshua Mitchell

• Phone: +1 416 555 0123
• Email: joshua.mitchell@email.com
• Location: Toronto, Canada
• LinkedIn: joshuamitchelldiesel

Summary

Over 9 years of experience in diagnosing, repairing, and maintaining a diverse range of heavy-duty diesel engines and vehicle systems for bus and truck fleets. Proven ability to minimize downtime and extend vehicle lifespan through meticulous preventative maintenance and complex fault isolation. Successfully led a team in implementing a new diagnostic software suite, improving repair efficiency by 15%.

Experience

Heavy Duty Diesel Mechanic, Toronto Transit Commission (TTC) -- Toronto, Canada

Sept 2018 – present

• Performed comprehensive diagnostics and repairs on diesel engines (Cummins, Detroit Diesel, PACCAR) for a fleet of over 2,000 buses, ensuring adherence to strict operational schedules.

• Executed preventative maintenance, including DPF regeneration, fuel system servicing, and turbocharger inspection, reducing road calls by an average of 10% annually.

• Utilized advanced diagnostic tools (e.g., INSITE, DDDL, CAT ET) to troubleshoot complex electrical, hydraulic, and pneumatic systems.

• Mentored junior mechanics on advanced diagnostic procedures and safety protocols, improving overall team competency.

Truck and Trailer Technician, Ryder System, Inc. (Canadian Operations) -- Mississauga, Canada

June 2014 – Aug 2018

• Conducted routine and complex repairs on commercial trucks and trailers, including engine overhauls, transmission replacements, and brake system maintenance.

• Specialized in diesel engine diagnostics, identifying and resolving issues with fuel injection, emissions, and cooling systems.

• Maintained accurate service records and reported on vehicle conditions to ensure compliance with provincial and federal transportation regulations.

• Contributed to a 5% reduction in vehicle out-of-service time through efficient repair practices and proactive maintenance.

Education

Centennial College, Apprenticeship Program & Certificate in Heavy Duty Equipment Technician -- Toronto, Canada

Sept 2011 – May 2014

Skills

Technical Skills: Diesel Engine Diagnostics, Preventative Maintenance, Engine Overhaul, Fuel Systems, Emissions Control, Electrical Systems, Hydraulic Systems, Pneumatic Systems, ABS/Traction Control, Transmission Repair, Driveline, Welding (MIG/ARC), OBD-II Diagnostics, Diagnostic Software (INSITE, DDDL, CAT ET)

Vehicle Systems: Heavy-Duty Trucks, City Buses, School Buses, Commercial Trailers, Construction Equipment, Agricultural Machinery

Certifications & Licences: Ontario Journeyman Heavy Duty Equipment Technician (310T), Air Brake Endorsement (Z), WHMIS, First Aid/CPR

Tools & Equipment: Multimeters, Oscilloscopes, Micrometers, Torque Wrenches, Scan Tools, Hoists, Jacks, Precision Measuring Tools