Heavy Duty Truck Mechanic

Dorman was founded on the belief that people should have greater freedom to fix motor vehicles. For over 100 years, we have been driving new solutions, releasing tens of thousands of aftermarket replacement products engineered to save time and money, and increase convenience and reliability. Founded and headquartered in the United States, we are a pioneering global organization offering an always-evolving catalog of automotive, heavy-duty and specialty vehicle products. Today, we have more than 3,800 employees across 29 different locations, with a family of brands that also includes SuperATV and Dayton Parts. Publicly traded under the stock ticker DORM, reaching a revenue of $2.13 billion in 2025.

Everyone who works at Dorman is called a Contributor. We need everyone, regardless of role and experience, to contribute to our success. That means everyone has a unique ability to make an impact on the business. We encourage all our Contributors to bring their authentic selves to work. The freedom to pursue new ideas, offer different perspectives, and grow in your career is fundamental to working at Dorman.

Job Summary

Join Stanley Springs as a Heavy Duty Truck Mechanic IV and become an essential part of a team dedicated to delivering superior repair and maintenance services for commercial and heavy-duty vehicles. In this full-time role, you will apply your expertise to ensure trucks and other vehicles operate safely and efficiently, supporting our clients' operational needs while upholding our reputation for excellence.

This role involves conducting detailed inspections, diagnosing complex mechanical and electrical issues, and performing high-quality repairs and preventative maintenance on a variety of heavy and light-duty vehicles. You will be central to maintaining fleet reliability and road safety for a diverse client base.

Primary Duties

• Perform comprehensive hands-on mechanical repairs and installations primarily on heavy-duty trucks, including engine systems, transmissions, brakes, and suspensions.
• Conduct light to heavy-duty vehicle alignments, using precision tools and techniques to ensure optimal vehicle operation and safety.
• Carry out detailed inspections and diagnostics, troubleshoot complex mechanical and electrical faults, and execute repairs with a focus on quality and efficiency.
• Remove and replace undercarriage components such as suspensions, springs, ball joints, king pins, and spring hangers on a variety of vehicle classes.
• Perform specialized tasks including welding repairs on vehicle frames, rebuilding torque arms, and renewing bushings to maintain structural integrity.
• Provide mentorship and training to junior mechanics, fostering a collaborative learning environment and promoting skill development within the team.
• Maintain meticulous records of repairs, parts used, and diagnostic results to support ongoing vehicle maintenance programs and compliance with safety regulations.
• Adhere strictly to workplace safety standards and protocols, ensuring all procedures promote a safe and productive working environment.
• Adapt to additional duties and responsibilities as required, contributing versatile skills to meet the evolving needs of the service department.

Qualifications

• Demonstrated ability to work independently and take initiative in a dynamic workshop environment, managing multiple repair tasks efficiently.
• Strong analytical and problem-solving skills, capable of diagnosing and resolving complex mechanical and electrical vehicle issues.
• Proficient in interpreting comprehensive technical documents including safety protocols, service manuals, wiring diagrams, and repair instructions to ensure accuracy and compliance.
• Excellent communication skills, both written and verbal, to effectively collaborate with team members and communicate with clients regarding vehicle status and repair needs.
• Mathematical competency to calculate measurements and apply geometric and algebraic principles pertinent to mechanical repair and adjustments.
• Capable of understanding diverse instructional formats, from written texts to oral briefings and technical schematics, to execute repair procedures accurately.
• Experience performing a broad range of complex mechanical duties, demonstrating skill adaptability under general supervision.
• Possession of a complete set of personal tools essential for vehicle repair tasks, with additional specialty tools provided by the company as necessary.
• Commitment to continuous learning and staying current with evolving automotive technologies and repair techniques.

Education / Experience

• High school diploma or equivalent qualification.
• Minimum of six years of extensive experience in automotive mechanical repair and maintenance, with a strong focus on heavy-duty and commercial vehicles.
• Valid Pennsylvania driver's license with a clean driving record.
• Mandatory Class 8 Inspection License combined with prior hands-on mechanic experience in heavy-duty truck servicing.
• Certification or practical experience in welding processes is an advantageous addition.
• Commercial Driver's License Class A (CDL-A) required for operation and testing of commercial vehicles.
• Proven track record in workplace safety and adherence to state and federal vehicle repair and inspection regulations.
  #LIMI1 #DAYTONPARTS #DORMANPRODUCTS

The US base rate for this full-time position is . The actual base pay offered to the successful candidate will depend on multiple factors, including but not limited to job-related knowledge and skills, experience, business needs, geographical location, and internal pay equity. Compensation decisions are made based on the specific facts and circumstances of each role and candidate.

As a Dorman US contributor, you (and eligible dependents, as applicable) will have access to medical, dental, vision, basic life insurance, paid time off (sick/vacation), and Paid Parental Leave. U.S. employees are entitled to paid holidays, floating holidays, and paid time off starting in their first year of employment depending on hire date. You are also able to participate in our 401k retirement plan (with company match and profit-sharing) and Discounted Employee Stock Purchase Plan.

Dorman Products is an equal opportunity employer; we value a combination of ideas, perspectives, and cultures at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sex, gender identity, sexual orientation, age, marital status, veteran status, or disability status. EEO/AA Employer M/F/D/V.

Nearest Major Market: Philadelphia


Nearest Secondary Market: Harrisburg

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Auto Mechanic, Maintenance Mechanic, Inspector, Welding, Automotive, Manufacturing, Quality