About Us

Heavy Diesel Service (HDS) is a growing heavy diesel mechanical service company serving the off-highway, agricultural, material handling, and construction sectors across the Southern Ontario area. We're a close-knit team that takes pride in doing the job right, and we're looking for a licensed 421A mechanic to join us as we expand our field service operations.

About the Role

We are seeking a dynamic and skilled 421A Heavy Equipment / Diesel Mechanic — Field Service to join our team! In this role, you will be the frontline expert responsible for diagnosing, repairing, and maintaining a wide variety of heavy machinery and industrial equipment in the field. Your expertise will ensure that construction sites, industrial facilities, and agricultural operations run smoothly and efficiently. This position offers an exciting opportunity to work with cutting-edge machinery, including excavators, cranes, forklifts, and farm equipment, while providing exceptional customer service and technical support in office. Your mechanical knowledge and hands-on skills will keep equipment operational and safe, making a tangible impact every day.

This is a 100% field-based position — you'll operate out of your own fully-equipped service truck, stocked with state-of-the-art diagnostic tools, travelling directly to customer sites and job locations. There is no in-shop bench work in this role; all repairs are performed on-site. Distance shouldn't be a deterrent — we recognize the extra time and effort longer calls take and reward it accordingly.

Responsibilities

- Perform comprehensive diagnostics and repairs on heavy equipment such as loaders, heavy trucks, excavators, cranes, forklifts,



and other industrial machinery in the field.
- Conduct routine maintenance tasks including oil changes, filter replacements, electrical troubleshooting, and system inspections to prevent breakdowns.
- Utilize schematics and technical manuals to interpret complex mechanical and electrical systems for accurate repairs.
- Operate power tools, hand tools, welding equipment, and heavy lifting gear safely to execute repairs efficiently.
- Assemble new machinery components or retrofit existing equipment to improve performance or comply with safety standards.
- Provide exceptional customer service by communicating clearly with clients about repair status, maintenance needs, and safety protocols.
- Maintain detailed service records, work orders, and inspection reports to ensure compliance with safety regulations and company standards.

Requirements

- 421A Heavy Duty Equipment Technician license (Red Seal an asset)
- Proven mechanic experience with heavy equipment such as excavators, cranes, forklifts, or farm machinery — minimum 2+ years of hands-on field service experience
- Off-highway equipment experience highly preferred, with familiarity in brand-specific systems like Caterpillar, John Deere, Volvo, or similar manufacturers
- Strong mechanical knowledge of diesel engines, electrical systems, hydraulics,



and schematics interpretation
- Comfortable diagnosing and completing repairs independently on-site, without shop backup
- Ability to perform heavy lifting safely and operate heavy equipment as needed during repairs or inspections
- Skilled in using hand tools, power tools, welding gear, and other maintenance equipment effectively
- Valid driver's license
- Willingness to respond to occasional after-hours/emergency calls
- Comfortable working outdoors and in varying weather/site conditions

Compensation & Benefits

- $45.00–$55.00/hour, based on experience
- Distance incentive: we recognize the extra time and effort longer calls require, which is why we offer travel incentives depending on timing and demand
- Fully equipped service truck provided, stocked with state-of-the-art diagnostic tools
- Extended health, dental & vision care
- Life and disability insurance
- RRSP matching program
- Paid vacation and holidays
- Overtime pay
- On-the-job training and support for continued certification

Join us in this energetic role where your technical expertise fuels our success! We're dedicated to supporting your growth through ongoing training opportunities while providing a collaborative environment that values your contributions. If you're passionate about heavy machinery maintenance and eager to make a difference in the field service industry — we want to hear from you!

Pay: $45.00-$55.00 per hour

Expected hours: 44.0 per week

Benefits:

- Dental care
- Disability insurance
- Extended health care
- Life insurance
- Paid time off
- RRSP match
- Vision care

Work Location: On the road

📌 421A Heavy Equipment / Diesel Mechanic — Field Service (Canada)
🏢 Heavy Diesel Service (HDS)
📍 Canada