Diesel Mechanic / Technician

Nuss Truck & Equipment; Rochester (MN); On-site; USD 52,000 - 75,000; Full time

Job summary

Nuss Truck & Equipment in Rochester, MN is seeking a Service Technician to diagnose, repair, and overhaul diesel and gas engines in trucks and buses to factory specifications. You will ensure quality repairs, accurate documentation, and strict adherence to safety and environmental regulations.

Daily duties include preventive maintenance, testing after repairs, using diagnostic tools, and rebuilding components as needed.

Qualifications

• Two-year technical degree in Diesel/Heavy Equipment or equivalent experience.
• 2–3 years of diesel equipment repair experience required.
• CDL preferred.

Responsibilities

• Diagnose, repair, and maintain diesel and gas engine vehicles.
• Perform routine maintenance including oil changes and lubrication.
• Rebuild and recondition engines and related components.
• Inspect and repair brakes, steering, suspension, and wheel alignment.
• Test drive vehicles to confirm proper operation after repairs.
• Accurately complete repair orders and service reports.
• Communicate findings clearly to supervisors and customers.

Skills

Diesel engines

Gas engines

Troubleshooting

Diagnostics tools

Documentation

Communication

CDL preferred

Education

Two-year technical degree in Diesel/Heavy Equipment

Tools

Diagnostic tools

Hydraulic jacks

Hoists

Engine rebuilding tools

Job description

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.

Essential Duties and Responsibilities:

• 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.

Secondary Duties:

• 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.

Customer Service Responsibilities:

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

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

Supervisory Responsibilities:

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

Minimum Qualifications:

Education:

• 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.

Experience:

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

Knowledge, Skills, and Abilities:

• 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.

Work Environment and Physical Requirements:

• 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.

Accountability and Compliance:

• Responsible for performing accurate and timely repairs that meet manufacturer and dealership quality standards.
• Accountable for maintaining safe work practices and immediately reporting accidents, injuries, or unsafe conditions.
• Required to comply with all company policies, OSHA regulations, and applicable environmental and workplace laws.
• Must participate in training, performance reviews, and corrective action processes when applicable.