Heavy Duty Diesel Mechanic

McCarthy Tire Service; Baltimore (MD); On-site; USD 48,000 - 55,000; Full time

Benefits offered by this job

Weekly pay

Medical, Vision, & Dental benefits

Paid holidays & PTO

Career growth & advancement

Paid training

Job summary

McCarthy Tire Service in Baltimore, MD is seeking a Heavy Duty Diesel Mechanic to join a safety‑driven team. You’ll perform preventive maintenance inspections, diagnose issues, and repair heavy‑duty trucks and related equipment, helping keep the fleet safe and productive.

We offer weekly pay, comprehensive benefits, and a strong safety culture with paid training and clear opportunities for advancement.

Qualifications

• Must be at least 18 years old.
• Valid driver's license with a clean driving record.
• Legally eligible to work in the United States.
• Must pass pre-employment drug screening and DOT physical.
• Ability to perform the physical requirements of the position with or without reasonable accommodations.
• Must provide your own tools suitable for heavy-duty vehicle repair.

Responsibilities

• Maintain a clean and safe work area, complying with OSHA and company safety standards.
• Perform preventive maintenance inspections and repairs on heavy-duty diesel vehicles and equipment.
• Diagnose and complete moderately complex mechanical and electrical repairs.
• Provide guidance and support to other maintenance personnel as needed.
• Use vehicle diagnostic systems and onboard computer tools to identify faults and initiate repairs.
• Communicate with supervisors regarding additional work or any delays in repair timelines.
• Assess and repair structural or mechanical damage using industry best practices.
• Respond to emergency breakdowns via on-site service calls.
• Perform vehicle safety checks and general maintenance tasks as required.

Skills

Heavy-duty trucks

Mechanical systems

Electrical systems

Vehicle diagnostics

Teamwork

Industrial maintenance

Job description

JOB TITLE: Heavy Duty Diesel Mechanic
Location: Baltimore, MD
Job Type: Full-Time
Pay Range: $35-$40/hr

Join a Team That Puts Safety and Your Career First

At McCarthy Tire, we prioritize safety, growth, and opportunity for our mechanics. From day one, you'll notice the difference: strong safety protocols, reliable support from leadership, hands-on training, and real advancement opportunities. If you're looking for a company that values your skills and wants to help you succeed, McCarthy Tire may be the perfect fit.

Job Summary

As a Heavy Duty Diesel Mechanic at McCarthy Tire, you’ll perform preventive maintenance inspections (PMI), diagnose mechanical issues, and repair or replace components on heavy-duty trucks and related equipment. Your expertise will help keep our fleet operating safely and efficiently every day.

Key Responsibilities

To succeed in this role, you must be able to perform the following duties:

Maintain a clean and safe work area, complying with OSHA and company safety standards.

Perform preventive maintenance inspections and repairs on heavy-duty diesel vehicles and equipment.

Diagnose and complete moderately complex mechanical and electrical repairs.

Provide guidance and support to other maintenance personnel as needed.

Use vehicle diagnostic systems and onboard computer tools to identify faults and initiate repairs.

Communicate with supervisors regarding additional work or any delays in repair timelines.

Assess and repair structural or mechanical damage using industry best practices.

Respond to emergency breakdowns via on-site service calls.

Perform vehicle safety checks and general maintenance tasks as required.

Required Qualifications

Must be at least 18 years old.

Valid driver’s license with a clean driving record.

Legally eligible to work in the United States.

Must successfully pass a pre-employment drug screening and DOT physical.

Ability to perform the physical requirements of the position with or without reasonable accommodations.

Must provide your own tools suitable for heavy-duty vehicle repair.

Preferred Skills & Experience

Experience working on heavy-duty diesel trucks and special-purpose vehicles.

Skilled in diagnosing and repairing mechanical, hydraulic, and electrical systems.

Proficient with vehicle diagnostic tools and software.

Strong communication skills and ability to work effectively in a team environment.

Industrial equipment maintenance experience is a plus.

Why Join McCarthy Tire?

At McCarthy Tire, you're not just starting a job—you’re building a career with a company that genuinely values your growth, safety, and success.

Strong safety culture & paid training – We invest in your safety and development from day one.
Weekly pay – Reliable, consistent pay every week.
Medical, Vision, & Dental benefits – Comprehensive coverage for you and your family.
Paid holidays & PTO – Enjoy a healthy work-life balance.
Career growth & advancement opportunities – We promote from within.
Supportive team environment – Work alongside professionals who care about your success.

We are proud to be an Equal Opportunity Employer. We welcome and encourage applicants from all backgrounds and do not discriminate based on race, color, gender, age, religion, sexual orientation, national origin, disability, veteran status, or any other legally protected status.