Diesel Engine Mechanic (HDM)

Canadian National Railway CompanyToronto, ON
Onsite

About The Position

The Heavy-Duty Mechanic (HDM) is responsible for performing inspections, major and minor repairs, overhauls and servicing on all types of locomotives. Working Conditions include the ability to work irregular shifts, including nights, weekends, holidays, and occasional overtime. The role is in a shop environment with occasional travel. At CN, we are committed to our pursuit of excellence. We take pride in delivering work of the highest standard, continually innovating to shape the railroad of the future. As responsible railroaders, we make the right decisions every time, putting safety first, acting with unwavering integrity, and holding ourselves accountable for our actions. We believe in succeeding together—by fostering inclusivity and collaboration, we sustainably deliver exceptional results for our customers. If you are a skilled trades person or interested in skilled trades and continuous learning in a safety-focused environment, working at CN could be a great fit for you. You’ll be working on all types of equipment and structures designed to support the distribution of freight across North America. Enjoy paid training and evolve your skills. The careers we offer are meaningful because the work we do matters. Join us and get your career moving!

Requirements

  • High School Diploma or General Educational Development (GED)
  • Diesel mechanic experience and/or Diesel mechanic diploma.
  • A valid driver’s license.
  • Using measuring devices and understanding visual displays.
  • Basic technical knowledge of diesel mechanics.
  • Good hand-eye coordination.
  • Dedicated to getting the job done while meeting established standards of quality, safety, and client satisfaction.
  • Frequent lifting / carrying up to 50 lbs. (22 kg).

Nice To Haves

  • Valid commercial driver’s license for the class and type of equipment operated
  • Ability to certify company equipment in accordance with provincial standards
  • Experience troubleshooting hydraulic and electronic systems
  • Welding skills

Responsibilities

  • Perform major and minor repairs, overhauls and servicing on all types of locomotives.
  • Inspect, service and maintain locomotives, in accordance with federal and company regulations, including changing oil or repairing, replacing, cleaning and adjusting parts.
  • Diagnose diesel engine malfunctions and making required repairs.
  • Assemble and start engines.
  • Use electric and oxy-acetylene welding equipment, lubrication equipment and other vehicle repair tools and equipment, and operate said tools and machinery in a safe and effective manner.
  • Prepare inspection, maintenance, and work reports, and record details on prescribed forms in accordance with established procedures.
  • Operate locomotive on shop tracks.
  • Test locomotives on shop track after repair.

Benefits

  • Competitive Wages
  • Benefits
  • Pension Plan
  • Paid Training and Career Development
  • Medical, vision, and dental insurance
  • 24/7 Telemedicine Service
  • Employee Share Investment Plan
  • Educational Financial Assistance Program
  • Employee Resource Groups (ERGs)
  • Extensive Employee Discount Program
  • Employee & Family Assistance Program (EFAP)
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service