Diesel Technician

True North Fleet Services; Upper Chichester Township (Delaware County); On-site; USD 39,000 - 55,000; Full time

Benefits offered by this job

Competitive pay

Paid ASE testing

Wage increases with ASE certifications

Training opportunities

Stability and growth

401(k) matching

Health insurance

Paid time off

Vision insurance

Job summary

True North Fleet Services, in partnership with PennFleet, is seeking a Diesel Technician who takes pride in keeping heavy‑duty equipment safe, reliable, and on the road through preventive maintenance, diagnostics, and quality repairs on diesel trucks and trailers.

If you’re a hands‑on technician who values teamwork and professional growth, this is a solid opportunity to build a long‑term career with competitive pay, ongoing ASE testing support, and clear advancement opportunities.

Qualifications

• 2+ years of diesel/heavy-duty maintenance experience.
• ASE TSeries certifications preferred (T2/T4/T5/T6/T8).
• Strong mechanical and diagnostic skills.
• Familiarity with preventive maintenance programs.
• Ability to work independently and as part of a team.
• Valid driver’s license (CDL a plus, not required).

Responsibilities

• Perform preventive maintenance (PMs) on heavyduty trucks and trailers.
• Diagnose and repair diesel engines, brake systems, suspension, steering, and electrical components.
• Identify and troubleshoot mechanical and electronic issues.
• Complete DOT inspections and ensure compliance standards are met.
• Accurately document repairs and maintenance activities.
• Maintain a clean, safe, and organized work environment.
• Collaborate with drivers, service advisors, and shop leadership.

Skills

Diesel/heavy-duty maintenance

Mechanical and diagnostics skills

Teamwork and independence

PM program familiarity

Valid driver’s license (CDL a plus,Not

Education

ASE TSeries certifications (T2/T4/T5/T6/T8) preferred

Tools

Diagnostic tools familiarity

Job description

Position Overview

At True North Fleet Services, in partnership with trusted partner – PennFleet, are looking for a Diesel Technician who takes pride in keeping equipment safe, reliable, and on the road. This role supports fleet uptime through preventive maintenance, diagnostics, and quality repairs on heavy-duty diesel equipment.

Position Overview

At True North Fleet Services, in partnership with trusted partner – PennFleet, are looking for a Diesel Technician who takes pride in keeping equipment safe, reliable, and on the road. This role supports fleet uptime through preventive maintenance, diagnostics, and quality repairs on heavy-duty diesel equipment.

If you’re a hands-on technician who values consistency, teamwork, and professional growth, this is a solid opportunity to build a long-term career.

Key Responsibilities

• Perform preventive maintenance (PMs) on heavyduty trucks and trailers
• Diagnose and repair diesel engines, brake systems, suspension, steering, and electrical components
• Identify and troubleshoot mechanical and electronic issues
• Complete DOT inspections and ensure compliance standards are met
• Accurately document repairs and maintenance activities
• Maintain a clean, safe, and organized work environment
• Collaborate with drivers, service advisors, and shop leadership

Qualifications

• 2+ years of diesel or heavyduty maintenance experience (fleet, dealership, or independent shop)
• ASE TSeries certifications preferred (T2, T4, T5, T6, T8) or willingness to obtain
• Strong mechanical and diagnostic skills
• Familiarity with preventive maintenance programs
• Ability to work independently and as part of a team
• Valid driver’s license (CDL a plus, not required)

What We Offer

• Competitive hourly pay based on experience and certifications
• Paid ASE testing and certification support
• Wage increases tied to ASE certifications and skill progression
• Consistent workload with modern equipment
• Training opportunities and access to diagnostic tools
• Stable schedule and longterm growth potential

Why This Role Works

This isn’t just a wrench-turning job. It’s a chance to:

• Work on equipment that’s properly maintained
• Be part of a team that values quality and safety
• Grow your skills with clear advancement opportunities

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Flexible spending account
• Health insurance
• Life insurance
• Opportunities for advancement
• Paid time off
• Vision insurance

Equal Opportunity Employer

True North Fleet Services is an equal opportunity employer and is committed to creating an inclusive environment for all employees.