Gas/Diesel Mechanic Level A

NationaLease; New Castle (PA); Hybrid; USD 34,000 - 52,000; Full time

Benefits offered by this job

Sick/PTO

Paid Holidays

401k match

Medical

Dental

Vision

Employee Referral Bonus

Quarterly Tool Allowance

Company Paid Life Insurance

LTD/STD

OEM Training

Job summary

NationaLease is seeking a Gas/Diesel Mechanic Level A to perform advanced diagnostics and mechanical/electrical repairs on commercial trucks and box trucks. This role ensures fleet and customer vehicle safety, reliability, and regulatory compliance, while mentoring other technicians and coordinating with management.

Join a team with OEM training, a stable shop environment, and a strong focus on safety, quality, and growth opportunities within a supportive culture.

Qualifications

• 6+ years of experience servicing light-, medium-, and heavy-duty trucks including preventive maintenance and diagnostics.
• CDL preferred with valid driver’s license.
• Ability to pass pre-employment and random DOT drug screenings.
• ASE certifications are a plus; lifting up to 50 lbs and pushing/pulling up to 75 lbs.

Responsibilities

• Diagnose, repair, and maintain vehicle systems including drivetrain, brakes, suspension, HVAC, and electrical components.
• Perform preventative maintenance services such as inspections, lubrication, and fluid/filter changes.
• Conduct safety, emissions, clutch, brake, steering, suspension, and 5th wheel inspections and repairs as authorized.
• Safely operate tools and diagnostic equipment while maintaining compliance with DOT and company safety standards.
• Accurately document repairs and inspections and support shop operations as needed.

Skills

Truck maintenance

Diagnostics

Electrical repairs

Preventive maintenance

DOT compliance

Education

High school diploma/GED

ASE certifications (a plus)

Tools

Diagnostic tools

Brake testing equipment

Job description

In 1944, a group of regional truck lease company owners met in Chicago to discuss how they could work together to provide maintenance for one another as their trucks began to travel across the country. From that meeting, NationaLease was born. Today, maintenance and the technicians who provide it still form the backbone of the NationaLease system. We are looking to strengthen our team with people who share our passion for providing a high level of quality and service to our customers. Additional information can be found on our website at http://www.nationalease.com . You can also follow us on Twitter and Facebook .

Bentley Truck Services, Inc. has been family owned and operated since 1991. Starting as a small 2 bay shop in Philadelphia, we have grown to 10 locations expanding to 4 states on the east coast, offering commercial truck sales, commercial truck rentals, full-service leasing, contract maintenance, parts, and service. We continue to work every day towards our philosophy of being Committed to Excellence. If you have passion and are committed to success, we want you on our Team!

We offer in-house and dealership training programs that boost technicians’ skills providing excellent potential for growth.. If you have fleet or dealership experience,

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, etc
OEM (Manufacturer) Training and Ongoing On-the-Job (OTJ) Training Opportunities

What You’ll Do

Job Summary

The Gas/Diesel Mechanic Level A is responsible for is responsible for performing advanced diagnostics, comprehensive mechanical and electrical repairs on commercial trucks and box trucks. This role ensures fleet and customer vehicle safety, reliability, performance, and regulatory compliance. Opportunity to use exceptional skills and knowledge to support overall business goals while mentoring and developing other technicians. Will work very close with management team to provide insight on overall shop operations.

Responsibilities

• Diagnose, repair, and maintain vehicle systems including drivetrain, brakes, suspension, HVAC, and electrical components.
• Perform preventative maintenance services such as inspections, lubrication, and fluid/filter changes.
• Conduct safety, emissions, clutch, brake, steering, suspension, and 5th wheel inspections and repairs as authorized.
• Safely operate tools and diagnostic equipment while maintaining compliance with DOT, company safety standards, and a clean work environment.
• Accurately document repairs and inspections, communicate shop concerns to management, and support team operations as needed.

What We’re Looking For

Qualifications:

• 6+ years of experience servicing light-, medium-, and heavy-duty trucks, including preventative maintenance and diagnostics.
• Strong knowledge of brake, drivetrain, suspension, electrical, and OEM repair systems; Isuzu and Hino experience preferred.
• Experience performing brake jobs, 5th wheel repairs, and box truck electrical system repairs preferred.
• Valid driver’s license required (CDL preferred) with ability to pass pre-employment and random DOT drug screenings.
• Ability to lift up to 50 lbs, push/pull up to 75 lbs; high school diploma/GED and ASE certifications are a plus.

Why Join Us

• Work on industry-leading Isuzu and Hino trucks.
• Manufacturer training and certification opportunities.
• Clear career path and long-term-on-the-job training.
• Stable, well-equipped shop environment.
• Supportive team culture focused on safety, training, and growth.
• Provide guidance and technical support to Technicians as needed.