Diesel Technician Level B – Diagnostics & PM

Bentley Truck Services, Inc.; New Castle (DE); Hybrid; USD 55,000 - 75,000; Full time

Benefits offered by this job

Sick/PTO

Paid Holidays

Competitive Wage

Generous 401k match

Medical, Dental, Vision

Employee Referral Bonus

Quarterly Tool Allowance

Company Paid Life Insurance

Supplemental Life/LTD/STD

OEM Training and OTJ Training

Job summary

Bentley Truck Services, Inc. is seeking a motivated diesel technician to perform advanced diagnostics, preventive maintenance, and comprehensive mechanical and electrical repairs on commercial trucks and box trucks.

The role ensures fleet safety, reliability, performance, and regulatory compliance. The ideal candidate has 3–5 years of hands-on experience, strong knowledge of brakes, drivetrains, suspension, and electrical systems, and is capable of working independently.

Qualifications

• 3–5 years experience as a diesel technician on light-, medium-, and heavy-duty trucks.
• Strong knowledge of preventative maintenance, brakes, drivetrain, suspension, and electrical systems.
• Experience with wheel end repairs, OEM brake jobs, major repairs, and box truck electrical systems preferred.
• Valid driver’s license required; CDL preferred or training available.
• Ability to lift 50 lbs and push/pull up to 75 lbs; ASE certifications are a plus; HS diploma/GED.

Responsibilities

• Perform preventative maintenance, inspections, and repairs on brake, clutch, HVAC, steering, suspension, drivetrain, and 5th wheel systems.
• Conduct authorized safety and emissions inspections while ensuring compliance with DOT regulations and company safety policies.
• Diagnose issues and assist with drivetrain repairs including drivelines, U-joints, and differentials.
• Accurately document maintenance, inspections, and repairs on work orders and reports.
• Safely operate tools and diagnostic equipment while maintaining a clean and safe work environment.

Skills

Diesel technician skills

Preventative maintenance

Brake systems

Drivetrain

Electrical systems

Suspension

Education

High school diploma/GED

ASE certifications (plus)

Tools

Diagnostic tools

Job description

Bentley Truck Services, Inc. is seeking a motivated diesel technician to perform advanced diagnostics, preventive maintenance, and comprehensive mechanical and electrical repairs on commercial trucks and box trucks.

The role ensures fleet safety, reliability, performance, and regulatory compliance. The ideal candidate has 3–5 years of hands-on experience, strong knowledge of brakes, drivetrains, suspension, and electrical systems, and is capable of working independently.