Heavy Equipment Technician - Field Service

Job Title: Heavy Equipment Technician – Field Service

Company: RNT Mechanical Ltd.

Location: Thunder Bay, ON & Surrounding Field Sites

Employment Type: Full-Time, Permanent

At RNT Mechanical Ltd., we deliver premier mechanical service and repairs across Northern Ontario. We pride ourselves on fast response times, high-quality workmanship, and keeping our clients' heavy machinery running at peak performance in the field.

We specialize in John Deere and CAT Equipment repairs.

We are seeking a skilled, highly autonomous Heavy Equipment Technician (Field Service) to join our Thunder Bay team. In this role, you will diagnose, maintain, and repair heavy industrial and construction equipment directly at customer jobsites. If you enjoy hands‑on problem solving, working independently in the field, and mastering electrical and mechanical systems, we want to hear from you.

• Field Maintenance & Repair: Perform on‑site troubleshooting, diagnostic tests, routine maintenance, and major repairs on various heavy equipment models.
• Electrical Diagnostics: Diagnose, repair, and overhaul complex electrical systems, wiring harnesses, electronic controls, and sensors.
• Mechanical & Hydraulics: Repair engine, transmission, drive train, and dynamic hydraulic systems.
• Service Documentation: Complete detailed daily service reports, work orders, and parts requests accurately and promptly.
• Customer Focus: Act as a technical representative for RNT Mechanical Ltd., maintaining strong, professional relationships with on‑site clients.
• Safety First: Adhere strictly to all site‑specific safety regulations, provincial health and safety guidelines, and company safety standards.

• Certification: Valid Red Seal Heavy Equipment Technician (421A) certification is mandatory
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• Electrical Expertise: Proven track record in field troubleshooting electrical and electronic systems on modern heavy machinery.
• Experience: Minimum 3–5 years of hands‑on field service experience with heavy civil, mining, forestry, or construction equipment.
• Driver's License: Valid Driver’s License with a clean abstract (commercial/heavy truck license considered an asset).
• Work Ethic: Strong problem‑solving skills with the ability to work independently in variable northern outdoor weather conditions.
• Safety & Compliance: Up‑to‑date working knowledge of safety procedures and jobsite hazard assessments.

• Competitive hourly wages based on experience and trade qualifications.
• Dedicated field service truck and essential field tools provided.
• Comprehensive health, dental, and benefit package.
• Ongoing manufacturer and specialty technical training opportunities.
• Supportive, team‑oriented work environment based out of Thunder Bay.