Diesel Mechanic​/Technician

Posted Monday, December 22, 2025 at 7:00 AM

The Service Technician is responsible for diagnosing, repairing, and overhauling trucks, buses, and diesel/gas engines in accordance with dealership and manufacturer standards. This position ensures quality repairs, accurate documentation, and compliance with safety and environmental regulations.

• Diagnose, repair, and maintain diesel and gas engine vehicles in accordance with factory specifications.
• Perform routine maintenance including oil changes, lubrication, and battery checks.
• Rebuild and recondition gas and diesel engines, including replacement of pistons, bearings, gears, and valves.
• Inspect, adjust, and repair brake systems, wheel alignment, suspension systems, and steering components.
• Rewire and repair ignition systems, lighting, and instrument panels.
• Disassemble and overhaul engines, pumps, transmissions, clutches, generators, and differential units.
• Operate hydraulic jacks, hoists, valve-grinding machines, and other specialized tools and equipment.
• Test drive vehicles to diagnose malfunctions and confirm proper operation after repairs.
• Use diagnostic instruments, gauges, and precision tools to identify issues and verify repairs.
• Follow all safety regulations, company policies, and applicable federal, state, and local laws regarding hazardous waste disposal and workplace safety.
• Accurately complete repair orders, service reports, and required documentation.
• Communicate clearly with supervisors, coworkers, and customers regarding service findings and recommendations.

• Maintain cleanliness and professional appearance of tools, equipment, service truck, and shop work area.
• Complete additional service-related documentation as required by Nuss Truck & Equipment or customers.
• Attend required factory-sponsored and dealership-provided training sessions.

Although primarily a technical role, the Service Technician represents the dealership in customer interactions and is expected to:

• Communicate clearly and respectfully with customers when discussing repairs or recommendations.
• Provide accurate and professional updates on vehicle status as needed.
• Deliver quality workmanship that meets or exceeds customer expectations.
• Support a positive and professional customer experience in all interactions.

• This position does not directly supervise employees.
• May assist in training and mentoring apprentices or interns as assigned.

• Two-year technical degree in Diesel/Heavy Equipment or equivalent experience required.
• Coursework in diesel or heavy equipment repair may substitute with equivalent work experience.

• 2–3 years of diesel equipment repair experience required.
• Prior dealership or heavy equipment repair experience preferred.

• Strong troubleshooting skills with diesel/heavy equipment systems.
• Solid knowledge of hydraulics, pneumatics, transmissions, electrical, and fuel systems.
• Ability to read and comprehend written and verbal repair instructions.
• Proficient computer skills for diagnostics, documentation, and communications.
• Ability to work independently with strong problem-solving skills and attention to detail.
• Effective verbal and written communication skills.
• Ability to work efficiently in a fast-paced, high-stress environment.
• Must hold and maintain a valid driver’s license; CDL preferred.
• Must maintain a clean driving record and professional personal appearance.

• Position is physically demanding, requiring frequent lifting and transporting of parts weighing up to and/or exceeding 70 pounds.
• Regular exposure to noise, dust, exhaust fumes, grease, and other shop conditions.
• Extended periods of standing, bending, and working with tools and equipment required.
• Required use of dealership-provided uniforms and personal protective equipment.

• Responsible for performing accurate and timely repairs that meet manufacturer and dealership quality standards.
• Accountable for maintaining safe work practices and immediately reporting accidents,…