Heavy Duty Mechanic - Journeyman/Red Seal
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Before you apply
LocationYellowknife, Northwest Territories, Canada
Work modeon-site
Typefull-time
SeniorityMid
Experience3–5 yrs
DepartmentURGENT
Company size501–1,000 people
PostedOct 16, 2026 · 2w ago
Verified live19h ago
At a glanceSummarised by Seekless from the posting.
Red Seal / Journeyperson Heavy Duty Mechanic
3–5 years mining equipment care and maintenance experience (minimum)
Demonstrated experience maintaining surface fleet equipment
Strong working knowledge with hydraulics and pneumatics
Strong working knowledge with mechanical systems
Strong working knowledge with electrical systems (12V/24V/480V where applicable)
Strong working knowledge with diesel powertrain components
Proficient in reading wiring diagrams
Proficient in reading hydraulic schematics
Proficient in reading manufacturer service manuals
CAT ET and CAT SIS proficiency
Valid safety training/certifications as required by the site (e.g., WHMIS, LOTO, confined space where applicable)
Experience working in remote and northern conditions / cold temperatures
Experience with CMMS/computerized maintenance systems
Track record of reducing downtime through preventive maintenance and root cause problem solving
Experience with major component repairs/rebuilds (hydraulic pumps/motors, gearboxes, drive components, etc.)
Experience working in the North, including cold-weather operations
Valid driver's license (if required by the location)
Skills
CAT ET
CAT SIS
About the role
Heavy Duty Mechanic - Winter Ice Road (Remote Camps)
Benefits
Location: Bathurst Inlet, Nunavut
Schedule: 3-weeks on followed by 3-weeks off
Travel: Paid flights | Hotel provided | Paid Travel Days | Per diem for travel days
Matrix is seeking strong and motivated Heavy Duty Mechanics to join our maintenance team. In this role, you’ll be responsible for keeping our surface fleet operating safely, reliably, and ready for production every shift.
We’re looking for an experienced surface mechanic with demonstrated competency maintaining equipment with loaders, dozers, excavators, graders, SnowCats, Haul trucks and light/heavy duty trucks, with strong working knowledge of CAT systems, including CAT ET and SIS. Experience working in the North, including cold-weather operations, is an asset.
Responsibilities
Key Responsibilities
•
Perform preventive and corrective maintenance on surface fleet equipment
•
Diagnose and repair mechanical, hydraulic, pneumatic, and electrical faults (as applicable to fleet)
•
Troubleshoot electronic and control system issues using manufacturer diagnostics, including:
•
CAT ET
•
CAT SIS (as applicable)
•
Maintain and troubleshoot diesel powertrain components, hydraulic systems, and related assemblies
•
Complete inspections and work orders with accurate, clear documentation
•
Follow service manual procedures and ensure repairs meet safety and operational requirements
•
Respond to breakdowns and support planned shutdowns under production timelines
•
Conduct work in accordance with all site safety procedures (LOTO, confined space where applicable, etc.)
•
Participate in failure analysis / root cause troubleshooting and continuous improvement
Requirements
Requirements (Must-Have)
•
Red Seal / Journeyperson Heavy Duty Mechanic
•
3–5 years mining equipment care and maintenance experience (minimum)
•
Demonstrated experience maintaining surface fleet equipment
•
Strong working knowledge with:
•
Hydraulics and pneumatics
•
Mechanical systems
•
Electrical systems (12V/24V/480V where applicable)
•
Diesel powertrain components
•
Proficient in reading and applying:
•
Wiring diagrams
•
Hydraulic schematics
•
Manufacturer service manuals
•
CAT ET and CAT SIS proficiency
•
Valid safety training/certifications as required by the site (e.g., WHMIS, LOTO, confined space where applicable)
•
Experience working in remote and northern conditions / cold temperatures
•
Valid driver’s license (if required by the location)
What We’re Looking For
•
A mechanic who can diagnose fast and fix right
•
Strong commitment to safety, compliance, and quality
•
Willingness to work in a high-production surface environment
•
Clear communication with operators and maintenance team
•
Pride in delivering production-ready equipment in cold-weather conditions
Nice to have
Bonus (Preferred)
•
Experience with CMMS/computerized maintenance systems
•
Track record of reducing downtime through preventive maintenance and root cause problem solving
•
Experience with major component repairs/rebuilds (hydraulic pumps/motors, gearboxes, drive components, etc.)
Hiring process
Matrix thanks all applicants—only those selected for interviews will be contacted
Requirements
•
Red Seal / Journeyperson Heavy Duty Mechanic
•
3–5 years mining equipment care and maintenance experience (minimum)
•
Demonstrated experience maintaining surface fleet equipment
•
Strong working knowledge with:
•
Hydraulics and pneumatics
•
Mechanical systems
•
Electrical systems (12V/24V/480V where applicable)
•
Diesel powertrain components
•
Proficient in reading and applying:
•
Wiring diagrams
•
Hydraulic schematics
•
Manufacturer service manuals
•
CAT ET and CAT SIS proficiency
•
Valid safety training/certifications as required by the site (e.g., WHMIS, LOTO, confined space where applicable)
•
Experience working in remote and northern conditions / cold temperatures
•
Valid driver’s license (if required by the location)
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