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Diesel Engine Technician jobs

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    • Assist qualified personnel with inspecting, diagnosing, repairing, servicing, and maintaining diesel-electric locomotives, locomotive components, and related…
    • View all Canadian National Railway jobs - Toronto jobs - Diesel Engine Specialist jobs in Toronto, ON
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    • Successful completion of a 2-year program for marine engineering, millwright or diesel mechanics at a recognized training institution.
    • Basic mechanical knowledge of diesel and hydraulic systems.
    • Perform oil sampling (engine, hydraulic, powertrain) as per site program.
    • Has worked on external components on a diesel engine and understands the basic concepts.
    • Complete repairs on engine products in a service shop.
    • Successful completion of a course in practical skills for marine engineers or in diesel mechanics at a recognized training institution.
    • As a Service Technician/Mechanic, you’ll play a vital role in ensuring our customers' equipment and vehicles are always ready for operation.
    • Fleet Service Technicians report to the Supervisor, Fleet Outfit and Maintenance, and are responsible for the repair, maintenance, outfitting, and modifications…
    • Previous gas engine and power generation experience would be considered an asset.
    • Industry leading Employer paid benefits.
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    • The ideal candidate will have a deep understanding of small-scale engine components and diagnostic logic.
    • Repair and Overhaul:* Repair or replace defective…
    • Diesel engine diagnostics, repair, and overhaul.
    • Salary: $26 - $40/hour depending on experience and licensing.
    • Health, dental, vision and prescription benefits.
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    • Diesel engine experience will be considered for candidates looking to transition into off‑road work.
    • Book a call with a recruiter to discuss the role or ask…
    • The ideal candidate will have 5+ years of Heavy Equipment Repair experience, and/or Red Seal Certified.
    • Understand Hydraulic, Electric, Diesel, and Transmission…
    • Fully licensed tractor/heavy equipment technicians, or.
    • Diagnose, repair, and maintain tractors and related equipment.
    • Job Types: Full-time, Permanent.
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    • The Diesel Mechanic inspects, maintains, diagnoses, and repairs assigned on-/off-road and heavy duty equipment to ensure proper function and vehicle safety and…
    • Shift: Monday to Friday: 3:30pm – 12:00am (40 hours/week).
    • Pay Rate: $40.19/hour ($49.06 after 4 months).
    • The Diesel Mechanic inspects, maintains, diagnoses,…
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Job Post Details

Canadian National Railway logo
Diesel Engine HDM
Canadian National Railway
·
3.0
Toronto, ON
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Job details

Pay information not provided
Overtime, Weekends as needed, Night shift, Evening shift, Holidays
Toronto, ON

Full job description

Job Description
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Diesel Engine HDM
Req Id: 921
Job Location: Toronto - ON
Business Unit: Operations
Highest Level Division: Mechanical
Posting Start Date: 10/9/26
Posting End Date: 10/30/2026 11:59 EDT
French/English Bilingual Requirement: No
Please note that new hires in this role may be paid a lower hourly rate during their qualifying period. In addition, CN employees are also eligible to an employee share investment plan (ESIP), Pension, Benefits and other perks.
At CN, the careers we offer are meaningful because the work that we do matters. Every day, our team of dedicated railroaders power the North American economy from coast-to-coast-to-coast, with an unwavering commitment to safety and service excellence.
If you enjoy hands-on tasks, working outdoors, and have a safety-first mindset, a career in railway operations might be right for you. With fresh challenges, paid training, and a host of great benefits - a career at CN means work that makes a true difference in the lives of people.
Join us today and get your career moving!

Job Summary


The incumbent works under the guidance of qualified personnel to develop the skills required to inspect, maintain, troubleshoot, repair, overhaul, and service diesel-electric locomotives and related mechanical, electrical, pneumatic, hydraulic, and air brake systems. The role supports safe and reliable railway operations by completing assigned work and participating in required training and practical learning in accordance with company standards, applicable laws and regulations, and established safe work procedures.

Main Responsibilities

  • Assist qualified personnel with inspecting, diagnosing, repairing, servicing, and maintaining diesel-electric locomotives, locomotive components, and related mechanical equipment.
  • Perform assigned scheduled, preventive, corrective, and on-request maintenance tasks, including repairs, adjustments, lubrication, servicing, and component replacement, within the incumbent's level of training and authorization.
  • Develop practical knowledge of diesel engines, air brake systems, electrical and electronic controls, pneumatic systems, hydraulic systems, fuel systems, cooling systems, driveline components, and related locomotive systems.
  • Use hand tools, power tools, measuring devices, diagnostic equipment, welding equipment, lubrication equipment, and other repair tools safely and effectively, as trained and authorized.
  • Identify, record, and report locomotive defects, safety concerns, repair progress, and equipment status to the appropriate qualified personnel in accordance with established procedures.
  • Complete required classroom instruction, practical training, assessments, work assignments, and apprenticeship records, and apply feedback to progressively develop trade proficiency.
  • Comply with company safety policies, railway operating rules, environmental requirements, applicable laws and regulations, and safe work procedures while working on or near locomotives, shop equipment, and railway infrastructure.

Working Conditions


  • Ability to work varying shifts, including days, evenings, nights, weekends, holidays, and overtime, as required to support continuous railway operations.
  • Work is performed in shops, yards, and outdoor railway environments in varying weather and environmental conditions.
  • The role regularly involves bending, stooping, squatting, kneeling, climbing, balancing, reaching, overhead work, and lifting or carrying up to 50 lb (23 kg), with heavier lifting completed using assistance or appropriate equipment.
  • The role may require working at heights, in confined or restricted spaces, around moving equipment, and near active railway operations.
  • Good hand-eye coordination, manual dexterity, and the ability to use tools, diagnostic equipment, and shop machinery safely and effectively are required.
  • The incumbent must comply with safe work procedures, personal protective equipment requirements, and all applicable safety rules and policies.
  • Respiratory protection may be required for certain tasks. Medical surveillance, hearing tests, and respirator fit testing may be required in accordance with applicable regulations and company programs.

Requirements

Experience


  • Mechanical, industrial, automotive, heavy-equipment, diesel, or related hands-on experience, training, or demonstrated aptitude.

Education/Certification/Designation


  • High school diploma or recognized equivalent.
  • Enrollment in, eligibility for, or willingness to complete a company-approved or government-recognized apprenticeship or technical training program in heavy-duty equipment, diesel mechanics, automotive service, truck and coach, industrial mechanics, or a related mechanical trade, as applicable to the location.
  • Valid driver's license, where required for the position.

Competencies


  • We Care About Each Other
  • We Strive for Excellence
  • We Succeed Together
  • We Lead Responsibly

Technical Skills/Knowledge


  • Basic mechanical knowledge and the ability to progressively develop knowledge of diesel engines, air brake systems, electrical and electronic controls, pneumatic systems, hydraulic systems, and related locomotive components.
  • Meet the minimum legal working-age requirements applicable to the location and the duties performed.
  • Ability to learn to use hand tools, power tools, measuring devices, diagnostic equipment, welding equipment, lubrication equipment, and other repair equipment safely and effectively.
  • Ability to follow instructions, apply technical learning, work collaboratively, and communicate information clearly in a safety-sensitive railway environment.
  • Ability to maintain required apprenticeship records and successfully complete assigned training, evaluations, and qualification requirements within established timelines.
  • Meet the medical fitness-for-duty requirements applicable to the role and location, including requirements for safety-sensitive work.

Additional Information (If Any)


The incumbent must successfully complete all classroom instruction, practical training, examinations, qualifications, safety instruction, operating rules, and technical requirements established by the company, the applicable apprenticeship program, and governing authorities. Continued progression and employment in the role are subject to meeting established training, performance, and qualification requirements.This position may be covered by a collective agreement. Where applicable, pay, benefits, and other terms and conditions of employment are governed by the relevant collective agreement.Apprenti mécanicien ou apprentie mécanicienne de matériel lourd - Locomotive
About CN
CN is a premium railroad that sustainably generates value for our customers, shareholders, employees, and stakeholders with an unwavering commitment to safety and service. Essential to the economy, to the customers, and to the communities it serves, CN safely transports more than 300 million tons of natural resources, manufactured products, and finished goods throughout North America every year. CN's network connects Canada’s Eastern and Western coasts with the U.S. South through an 18,800-mile rail network. CN and its affiliates have been contributing to community prosperity and sustainable trade since 1919. CN powers the North American economy and is committed to programs supporting social responsibility and environmental stewardship.
At CN, we are dedicated to building North America's safest, most inclusive and sustainable railroad, which includes reflecting the communities in which we operate. Research shows that candidates often don't apply unless they feel they fit the job posting at 100%. To all potential applicants, even if you don't meet every job requirement listed in a posting, we still encourage you to apply. If you require an accommodation for the recruitment process (including alternate formats of materials, accessible meeting rooms or other accommodations), please get in touch with our team at cnrecruitment@cn.ca.
As an equal opportunity employer, qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, and other protected status as required by applicable law.
Please monitor your email on a regular basis as communication to applicants is done via email
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