Diesel Tech: Level B — Advanced Diagnostics & PM

Bentley Truck Services, Inc.; Philadelphia (Philadelphia County); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Competitive pay

PTO/Sick Time

Paid Holidays

401k match

Medical/Dental/Vision

Referral bonus

Tool allowance

Life Insurance

Supplemental Insurance

Team environment

Job summary

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

This role ensures fleet safety, reliability, and DOT compliance while handling complex drivetrain, brake, suspension, and electrical systems. The ideal candidate has 3–5 years of diesel experience, strong PM knowledge, and the ability to work independently in a fast-paced shop with safety

Qualifications

• 3–5 years as a diesel technician on light–heavy trucks.
• Strong knowledge of PM, brakes, drivetrain, suspension, and electrical systems.
• Experience with wheel-end repairs, OEM brakes, major repairs, and box truck electrical.
• Valid driver’s license; CDL preferred; ability to pass DOT drug screenings.
• Lifts up to 50 lbs and pushes/pulls up to 75 lbs; HS diploma/GED; ASE a plus.

Responsibilities

• Perform preventive maintenance, inspections, and repairs on brakes, clutch, HVAC, steering, suspension, drivetrain, and fifth wheel systems.
• Conduct safety and emissions inspections per DOT regulations and company 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

Diagnostics

Preventive maintenance

Electrical systems

Education

High school diploma/GED

ASE certifications

Tools

Diagnostic equipment

Job description

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

This role ensures fleet safety, reliability, and DOT compliance while handling complex drivetrain, brake, suspension, and electrical systems. The ideal candidate has 3–5 years of diesel experience, strong PM knowledge, and the ability to work independently in a fast-paced shop with safety