Multi-Service Vehicle Mechanic

• A six-kilometer tunnel and associated tunnelling works from Exhibition to Don Yard portal (west of the Don River).
• Stations:

• One above-ground station to be integrated with the existing GO Transit Exhibition Station.
• Two underground stations to be integrated with the existing TTC Osgoode and Queen subway stations.
• Four new underground stations (King/Bathurst, Queen/Spadina, Moss Park, Corktown).

• Improve the quality of life for commuters by reducing daily travel time.
• Reduce crowding on the existing Line 1 (Yonge-University) subway.
• Up to 57,000 more jobs accessible by transit (in 45 minutes or less) for Toronto residents.
• Economic and community growth along the future transit line and thousands of job opportunities annually during construction.
• Reduction in traffic congestion, greenhouse gases, and fuel consumption by providing an alternative transportation option.

• Inspect, troubleshoot, and repair MSV mechanical systems, including engines, power units, steering systems, transmission assemblies, and drivetrain components.
• Maintain and service hydraulic, pneumatic, compressed‑air, and electrical systems found in MSV equipment.
• Perform scheduled preventive maintenance, lubrication, adjustments, and component replacements to ensure equipment reliability in continuous tunnelling operations.
• Diagnose faults using mechanical, hydraulic, and electrical testing tools; interpret error indications and technical manuals.
• Support MSV operators with troubleshooting, equipment configuration, and resolving operational performance issues.
• Document repairs, service reports, and parts usage following maintenance protocols.
• Conduct pre‑use and post‑use inspections on MSVs, checking braking systems, safety interlocks, steering modules, wheel/bogey assemblies, and load‑bearing components.
• Ensure MSVs remain compliant with tunnelling safety regulations, ventilation requirements, and confined‑space operational rules.
• Assist with MSV trailer coupling/uncoupling, shunting, alignment, and setup activities during transport shifts.
• Coordinate with TBM logistics teams to ensure vehicle availability and reliability for continuous transport cycles.
• Follow Ontario OHSA tunnel‑specific safety procedures, air/gas monitoring guidelines, emergency response expectations, and underground hazard controls.
• Maintain tidy and safe underground work areas, including equipment bays, maintenance stations, and tunnel access routes.

• Completion of a 3–4‑year apprenticeship program in industrial mechanic/millwrighting or 5+ years of experience in industrial machinery repair with industry training courses.
• Industrial Mechanic (Millwright) trade certification (voluntary but preferred in Ontario).
• Additional mechanical or electrical equipment certifications considered an asset.
• Strong knowledge of MSV components and systems, including power units, hydraulic systems, electrical systems, transmission/drives, chassis, and bogeys/wheel modules.
• Ability to read technical manuals, schematics, and equipment specifications.
• Skilled in diagnostics, mechanical troubleshooting, and heavy‑equipment repair.
• Familiarity with underground and tunnelling operations, confined‑space work, and ventilation‑dependent environments.
• Understanding of underground rescue procedures, emergency protocols, and air‑monitoring principles (asset but often required).
• Ability to work underground in confined spaces, elevated noise, dust, and variable temperatures.
• Physically capable of lifting, climbing, crawling, and performing repairs in restricted spaces.
• Strong communication and teamwork skills to coordinate with operators and tunnel crews.

• This is a unionized role; therefore, the salary will be the according to the Schedule and Group per the Collective Bargaining Agreement.

Ontario Transit Group