Diesel Mechanic

Job Description

Job Description

Job Title: Diesel Mechanic
Job Description

This role is responsible for performing repair, maintenance, and inspection work on a fleet of approximately 35 trucks, primarily Kenworth and Peterbilt models. You will work on a variety of vehicles including tractors and trailers, box trucks, and dual trucks, focusing on preventative and corrective maintenance, minor engine work, and troubleshooting of mechanical, electrical, and hydraulic systems.

Responsibilities

• Perform routine and preventative maintenance on a fleet of approximately 35 trucks, including tractors and trailers, box trucks, and dual trucks.
• Complete oil changes and standard service procedures in a timely and accurate manner.
• Carry out minor motor and engine work, excluding major engine repairs, which are handled at a separate shop.
• Inspect, diagnose, and repair air brake systems to ensure safe and reliable operation.
• Inspect, diagnose, and repair hydraulic brake systems.
• Perform suspension inspections, adjustments, and repairs as needed.
• Troubleshoot and repair electrical wiring and related electrical components on diesel trucks.
• Conduct pre-trip and post-trip inspections on trucks that are driven on the road, documenting findings clearly.
• Use diagnostic and mechanical troubleshooting skills to identify and resolve issues with diesel engines, transmissions, brakes, hydraulics, pneumatics, and other truck systems.
• Perform tire changes and related wheel service when needed, if qualified and experienced.
• Respond to and perform service calls on fleet vehicles that have broken down or have been taken out of service.
• Operate both manual and automatic transmission trucks safely and proficiently for testing, inspection, or repositioning.
• Use basic computer skills to document work performed, maintain maintenance records, and access technical information.
• Communicate effectively in verbal and written form with co-workers and customers, maintaining a professional business relationship.
• Lift and handle parts, tools, and equipment weighing up to 50 pounds in the course of daily work.
• Follow all safety procedures and maintain a clean, organized, and safe work area.
• Utilize personal tools and equipment to perform daily maintenance and repair tasks.

• Hands-on experience with diesel repair and diesel maintenance on commercial trucks.
• Ability to perform oil changes and routine preventative maintenance on a variety of diesel trucks.
• Working knowledge of air brake systems, including inspection, diagnosis, and repair.
• Working knowledge of hydraulic brake systems, including inspection, diagnosis, and repair.
• Ability to perform minor motor and engine work on diesel engines, excluding major engine overhauls.
• Experience with suspension inspection, troubleshooting, and repair.
• Electrical wiring knowledge and experience troubleshooting and repairing electrical systems on trucks.
• Experience with troubleshooting and repairing diesel engines, transmissions, brakes, hydraulics, pneumatics, and related components.
• Strong troubleshooting skills for mechanical, electrical, and hydraulic issues.
• Ability to perform accurate pre-trip and post-trip inspections on trucks.
• Ability to lift up to 50 pounds safely and repeatedly as required by the job.
• Ability to communicate effectively, both verbally and in writing, with co-workers and customers.
• Willingness to perform service calls on fleet vehicles that have broken down or have been taken out of service.
• Ownership of a set of personal tools suitable for diesel truck maintenance and repair.
• Ability to work primarily on a 2nd shift schedule.

• Welding experience for basic repair and fabrication tasks.
• Experience using a torch for cutting and related work.
• Fabrication skills for brackets, mounts, or minor structural components.
• Tire changing capability and experience with truck tires and wheels.
• Class B CDL license, enabling operation of commercial vehicles as needed.
• Computer skills for documenting work orders, maintenance records, and accessing technical information.
• Proficiency in driving both manual and automatic transmission trucks for testing and positioning.
• Experience working with fleets and understanding fleet maintenance practices.
• Familiarity with preventive and corrective maintenance programs for diesel engines and trucks.

You will join a hands-on, service-oriented operation where your mechanical expertise directly supports safe and reliable fleet performance. The environment values practical skills, professional communication, and teamwork, offering the opportunity to work on a wide variety of vehicles and systems that keep every day different and engaging. You will have the chance to broaden your experience across diesel, electrical, hydraulic, and pneumatic systems while contributing to a reliable maintenance program that keeps the fleet on the road.

Work Environment

The role is primarily based indoors in a shop environment, with some work performed outdoors as needed for inspections, testing, or service calls. You will work mainly on a 2nd shift schedule, supporting ongoing fleet operations. The setting involves regular use of mechanical tools, personal tools you bring to the job, and basic computer systems for documentation. Work may require standing, bending, and lifting up to 50 pounds, as well as occasional outdoor exposure when handling breakdowns or vehicles taken out of service. The environment is focused on safety, organization, and efficient repair and maintenance of a diverse fleet of diesel trucks.

Job Type & Location

This is a Contract to Hire position based out of Elizabeth, NJ.

The pay range for this position is $30.00 - $34.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Elizabeth,NJ.

This position is anticipated to close on Jul 2, 2026.

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.

Company Description

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.