High-paying maintenance jobs in Cornwall
Maintenance involves ensuring that equipment and systems operate effectively and efficiently. Typical tasks include repairing machinery, troubleshooting issues, and performing preventative maintenance. Technicians, electricians, and mechanics need strong problem-solving skills and a solid understanding of machinery and electrical systems.
The 26 maintenance jobs listed below pay well, with salaries between $24.59 and $24.58 per hour. Millwright, Technician and Trailer Technician are among the most popular high-paying roles in Cornwall, ON.
Job title
Updated Oct. 17, 2026
Job title
Cornwall, ON
Ontario
Job openings (Cornwall)
Industrial Electrician
Cornwall
$45.84
per hour
Ontario
$40.26
per hour
Millwright
Cornwall
$42.47
per hour
Ontario
$39.89
per hour
Trailer Mechanic
Cornwall
$38.74
per hour
Ontario
$33.09
per hour
Trailer Technician
Cornwall
$36.95
per hour
Ontario
$34.42
per hour
Mechanic
Cornwall
$35.39
per hour
Ontario
$35.89
per hour
Automotive Technician
Cornwall
$29.32
per hour
Ontario
$33.58
per hour
Operator
Cornwall
$25.27
per hour
Ontario
$25.44
per hour
Technician
Cornwall
$24.59
per hour
Ontario
$28.17
per hour
Maintenance Person
Cornwall
$24.58
per hour
Ontario
$23.22
per hour
Job descriptions below are for educational purposes. Please refer to the employer's job description for complete details.
-
Industrial Electrician
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Please refer to the employers job description for complete details.
Industrial Electricians install, maintain, and troubleshoot electrical systems in manufacturing settings. They need expertise in electrical codes, industrial machinery, and wiring diagnostics to ensure safe, efficient operations and comply with workplace regulations.
See 2 jobsAverage salary
Cornwall
$45.84 per hourOntario
$40.26 per hourSkills
- Programmable logic controllers
- Electrical systems
-
Millwright
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Please refer to the employers job description for complete details.
Millwrights install, maintain, and repair industrial machinery and mechanical equipment. They need expertise in blueprints, industrial standards in manufacturing, and strong mechanical and troubleshooting skills to ensure efficient facility operation.
See 8 jobsAverage salary
Cornwall
$42.47 per hourOntario
$39.89 per hourSkills
- Maintenance
- Micrometers
- Welding
-
Trailer Mechanic
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Trailer Mechanics inspect and repair trailersβ brakes, suspension, and electrical systems to ensure safety and compliance. They need expertise in hydraulic systems, knowledge of provincial vehicle codes, and skills in diagnostic tools and welding techniques.
See 1 jobsAverage salary
Cornwall
$38.74 per hourOntario
$33.09 per hourSkills
- Mechanic experience
- Diesel engine repair
- Computer skills
-
Trailer Technician
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Trailer Technicians inspect and repair trailersβ mechanical, electrical, and structural systems to ensure safety and functionality. They need expertise in hydraulic and brake systems, familiarity with transport regulations, and skills in diagnostic tools and welding.
See 4 jobsAverage salary
Cornwall
$36.95 per hourOntario
$34.42 per hour -
Mechanic
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Mechanics inspect, diagnose, and repair vehicle engines and systems to ensure safe operation. They need expertise in automotive technologies, proficiency with diagnostic tools, and a solid understanding of safety standards in the vehicle repair industry.
See 1 jobsAverage salary
Cornwall
$35.39 per hourOntario
$35.89 per hourSkills
- Automotive repair
- Hand tools
- Mechanical knowledge
- Automotive diagnostics
- Electrical experience
-
Automotive Technician
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Please refer to the employers job description for complete details.
Automotive Technicians inspect, diagnose, and repair vehicle systems including engines, brakes, and electronics. They need mechanical repair expertise, strong knowledge of Canadian vehicle standards, and proficiency in diagnostic tools and technology.
See 1 jobsAverage salary
Cornwall
$29.32 per hourOntario
$33.58 per hourSkills
- Automotive diagnostics
- Automotive repair
- Mechanical knowledge
- Customer service
-
Operator
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Operators control machinery or equipment, monitor performance, and follow safety protocols to ensure smooth workflows. They need mechanical skills, knowledge of relevant safety regulations, and strong problem-solving abilities to respond quickly to issues.
See 2 jobsAverage salary
Cornwall
$25.27 per hourOntario
$25.44 per hourSkills
- Manufacturing
- CNC
- Oil & gas
-
Technician
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Technicians install and repair equipment, perform diagnostic tests, and maintain systems to ensure operational efficiency. They need technical expertise, familiarity with safety standards, and strong troubleshooting skills for accurate problem-solving and upkeep.
See 5 jobsAverage salary
Cornwall
$24.59 per hourOntario
$28.17 per hourSkills
- Technical support
- Sales
- Communication skills
-
Maintenance Person
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Please refer to the employers job description for complete details.
Maintenance Persons inspect and repair building systems, perform routine upkeep, and troubleshoot mechanical or electrical issues. They need proficiency in HVAC and plumbing, practical knowledge of safety codes, and strong diagnostic and repair skills.
See 2 jobsAverage salary
Cornwall
$24.58 per hourOntario
$23.22 per hourSkills
- Electrical experience
- Schematics
- Mechanical knowledge
- English
- Welding