Ontario Transit Group
Construction
HeavyEquipmentMechanic
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“Heavy Equipment Mechanic at Ontario Transit Group. Skills: Heavy equipment maintenance, MSV repair, Underground operations. Inspect MSV mechanical systems. Troubleshoot MSV mechanical systems”
What You'll Achieve.
Ensure equipment reliability; Ensure MSVs remain compliant
Industry & Context.
Troubleshoot MSV mechanical systems; Diagnose faults; Troubleshooting
Work underground, Work in confined spaces, Work in elevated noise, Work in dust, Work in variable temperatures, Physically capable of lifting, Physically capable of climbing, Physically capable of crawling, Perform repairs in restricted spaces
What They're Looking For.
Must Have
3–4 year apprenticeship program, 5+ years industrial machinery repair, Read technical manuals, Diagnose faults, Work underground, Physically capable of lifting, Physically capable of climbing, Physically capable of crawling, Perform repairs in restricted spaces
Nice to Have
Industrial Mechanic (Millwright) trade certification, Additional mechanical or electrical equipment certifications, Knowledge of MSV components, Familiarity with underground operations, Familiarity with tunnelling operations, Familiarity with confined-space work, Familiarity with ventilation-dependent environments, Understanding of underground rescue procedures, Understanding of emergency protocols, Understanding of air-monitoring principles
What You'll Do.
Inspect MSV mechanical systems
Troubleshoot MSV mechanical systems
Repair MSV mechanical systems
Maintain hydraulic systems
Service hydraulic systems
Maintain pneumatic systems
Service pneumatic systems
Maintain compressed-air systems
Service compressed-air systems
Maintain electrical systems
Service electrical systems
Perform scheduled preventive maintenance
Diagnose faults using testing
Interpret error indications
Interpret technical manuals
Support MSV operators
Troubleshoot equipment
Resolve operational performance issues
Document service reports
Conduct pre-use inspections
Conduct post-use inspections
Check braking systems
Check safety interlocks
Check steering modules
Check wheelogey assemblies
Check load-bearing components
Ensure MSVs comply with regulations
Assist with trailer coupling
Assist with trailer uncoupling
Assist with alignment
Assist with setup activities
Coordinate with TBM logistics
Follow safety procedures
Follow air/gas monitoring guidelines
Follow emergency response expectations
Follow underground hazard controls
Maintain tidy work areas
Maintain safe work areas
How You'll Work.
Team & Collaboration
Work with operators; Work with tunnel supervisors; Work with maintenance teams; Coordinate with TBM logistics teams; Coordinate with tunnel crews
Full Job Description
Ferrovial Construction Canada Inc. and VINCI Construction Grands Projects are undertaking the design, build, and finance the Ontario Line Southern Civil, Stations, and Tunnel (South Civil) package. As Ontario Transit Group, we are now mobilizing our design and construction crews, with major works. The South Civil contract is anticipated to be completed in 2030. The project will strengthen Ontario’s economy by supporting an estimated 1,500 jobs at the peak of construction. What is the project? * 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). The benefits to Ontario! Faster, more frequent, and reliable access to rapid transit with more than 227,500 people will live within a 10-minute walk of an Ontario Line station. * 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. The MSV Mechanic is responsible for maintaining, diagnosing, and repairing Multi‑Service Vehicles (MSVs) used to support Tunnel Boring Machine (TBM) operations on large‑scale tunnelling projects. This role ensures the reliability, safety, and efficiency of MSVs that transport segments, materials, equipment, and personnel throughout the underground tunnel system. The mechanic works closely with operators, tunnel supervisors,
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