Certified Truck & Trailer Mechanic

Certified Truck & Trailer Mechanic – Heavy-Duty FleetCompany: United Petroleum Transport Ltd. (UPT)
Employment Type: Full-Time
Work Arrangement: On-Site
About United Petroleum TransportUnited Petroleum Transport Ltd. (UPT) is a Canadian transportation company specializing in the safe, efficient, and reliable transportation of bulk petroleum products. We are committed to maintaining high standards of safety, regulatory compliance, and operational excellence while delivering exceptional service to our customers.
Position OverviewWe are seeking an experienced, skilled, and detail-oriented Certified Truck & Trailer Mechanic to support the maintenance, inspection, and repair of our commercial truck and trailer fleet at our Bolton, Ontario location.
The ideal candidate will have a strong background in heavy-duty commercial vehicle maintenance, with experience diagnosing mechanical issues, performing preventative maintenance, and ensuring equipment meets applicable safety and regulatory standards.
This is a hands-on technical role responsible for maintaining the safety, reliability, and operational readiness of our fleet. Experience working with petroleum tank trailers, bulk liquid transportation equipment, or dangerous goods transportation is considered a strong asset.
The successful candidate will work closely with our Maintenance, Safety, and Operations teams to minimize equipment downtime, coordinate repairs, and ensure our fleet remains safe, compliant, and available for daily operations.
Key Responsibilities
Perform inspections, diagnostics, maintenance, and repairs on commercial trucks, tractors, and heavy-duty trailers.
Diagnose and repair mechanical, electrical, hydraulic, pneumatic, and braking systems.
Conduct preventative maintenance and scheduled servicing to maximize equipment reliability and minimize downtime.
Inspect and repair suspension systems, steering components, wheel-end assemblies, air brake systems, and other critical vehicle components.
Troubleshoot equipment defects and determine appropriate repair procedures.
Perform repairs and maintenance on trailer components, including landing gear, lighting systems, air lines, and coupling mechanisms.
Identify potential mechanical failures and recommend corrective actions before equipment is returned to service.
Maintain tools, equipment, and work areas in safe and proper operating condition.
Fleet Inspections & Regulatory Compliance
Conduct commercial vehicle inspections in accordance with applicable Ontario and federal transportation regulations.
Perform or support annual and periodic inspections, including Commercial Vehicle Inspection Program (CVIP) requirements and Ontario safety standards.
Ensure all repairs and maintenance activities meet applicable manufacturer specifications and regulatory requirements.
Identify and document safety-related defects and ensure deficiencies are corrected before equipment is returned to service.
Maintain accurate inspection reports, repair records, maintenance logs, and supporting documentation.
Support internal safety audits, regulatory inspections, and fleet compliance reviews.
Follow established workplace safety procedures, including proper handling of hazardous materials and safe maintenance practices.
Fleet Coordination & Operational Support
Work closely with Maintenance and Operations Management to prioritize repairs and ensure equipment availability.
Coordinate with Dispatch and Field Operations teams regarding equipment status, maintenance schedules, and expected repair timelines.
Assist in managing preventative maintenance schedules and identifying equipment requiring immediate attention.
Communicate mechanical concerns, repair recommendations, and equipment readiness to management.
Support emergency repairs and roadside assistance coordination when required.
Identify opportunities to improve maintenance procedures, reduce equipment downtime, and extend fleet service life.
Qualifications & ExperienceMandatory Requirements:
Valid Ontario 310T Truck and Coach Technician Certificate of Qualification (or recognized provincial equivalent).
Previous professional experience maintaining and repairing heavy-duty commercial trucks and trailers.
Strong knowledge of commercial vehicle mechanical systems, including diesel engines, air brakes, suspension, electrical systems, and drivetrain components.
Experience performing preventative maintenance, mechanical diagnostics, and safety inspections on commercial vehicles.
Ability to diagnose mechanical problems independently and perform repairs safely and efficiently.
Strong understanding of commercial vehicle safety standards and maintenance requirements.
Ability to perform physically demanding mechanical work, including lifting, bending, standing, and working around heavy equipment, with appropriate safety measures.
Additional Qualifications:
Experience maintaining petroleum tank trailers, fuel transportation equipment, or bulk liquid trailers is strongly preferred.
Familiarity with Ontario's commercial vehicle inspection and safety certification requirements.
Experience diagnosing and repairing trailer braking systems, pneumatic components, and electrical systems.
Knowledge of diesel engine diagnostics and electronic diagnostic software.
Experience working with preventative maintenance programs and fleet maintenance management systems.
Familiarity with tank trailer components, including valves, pumps, hoses, and product handling systems, is considered an asset.
Strong organizational, analytical, and troubleshooting skills.
Ability to work independently, prioritize repairs, and manage multiple maintenance requirements.
Excellent communication skills and the ability to collaborate with drivers, operations personnel, and management.
Basic computer proficiency for maintaining service records, inspection reports, and maintenance documentation.
A valid class 1 / AZ driver's license is required.
What We Offer
Competitive compensation based on qualifications, certifications, and experience.
Opportunity to work with a specialized commercial transportation fleet.
Hands-on role with direct involvement in fleet maintenance, safety, and operational readiness.
Collaborative work environment with close coordination between Maintenance, Safety, and Operations.
Opportunities for professional growth and development.
Join Our TeamAt United Petroleum Transport, maintaining a safe and reliable fleet is essential to delivering exceptional service to our customers. We are looking for a skilled mechanic who takes pride in quality workmanship, works with attention to detail, and is committed to keeping our equipment operating at the highest standards.
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