Diesel Mechanic

The Diesel Mechanic inspects, maintains, and repairs vehicles and heavy equipment powered by diesel engines, including semi-trucks, buses, and construction machinery. This role uses specialized diagnostic tools to identify malfunctions, perform routine preventive maintenance such as oil changes, and repair or replace defective parts to ensure safe and reliable operation of all equipment.

Responsibilities

• Inspect diesel-powered vehicles and heavy equipment to identify mechanical, electrical, and hydraulic issues.
• Use specialized diagnostic tools and equipment to accurately troubleshoot diesel engine malfunctions.
• Perform routine preventive maintenance, including oil changes, filter replacements, fluid checks, and lubrication.
• Diagnose and repair diesel engines, including fuel systems, cooling systems, and exhaust components.
• Repair and maintain brake systems to ensure safe stopping performance and compliance with safety standards.
• Service and repair transmissions, drivetrains, and related mechanical components.
• Inspect, repair, and maintain hydraulic systems used on heavy equipment and machinery.
• Perform electrical system diagnostics and repairs, including wiring, lighting, and starting/charging systems.
• Replace worn or defective parts and components using appropriate tools and repair techniques.
• Conduct welding and basic fabrication tasks as needed to repair or reinforce components and structures.
• Test repaired vehicles and equipment to verify proper operation and ensure issues are fully resolved.
• Maintain accurate records of inspections, maintenance, and repairs performed on each vehicle or piece of equipment.
• Follow all safety procedures and best practices while working with tools, equipment, and heavy machinery.
• Keep the work area organized, clean, and compliant with workplace safety and housekeeping standards.

• Strong hands-on experience working with diesel engines in vehicles and heavy equipment.
• Proficiency in troubleshooting and diagnosing mechanical, electrical, and hydraulic issues.
• Ability to perform repairs on diesel engines, including fuel, cooling, and exhaust systems.
• Knowledge of brake systems and the ability to inspect, service, and repair braking components.
• Experience repairing and maintaining transmissions and drivetrains.
• Understanding of hydraulic systems and the ability to diagnose and repair hydraulic components.
• Solid mechanical aptitude and familiarity with a wide range of tools and repair techniques.
• Ability to use specialized diagnostic tools and equipment for diesel engine analysis.
• Basic welding skills for repair and fabrication work.
• Attention to detail and commitment to performing high-quality, safe repairs.

• Experience working on semi-trucks, buses, and construction machinery.
• Comfort working with both mechanical and electrical systems on diesel-powered equipment.
• Ability to read and interpret technical manuals, diagrams, and repair instructions.
• Strong problem-solving skills and the ability to work independently with minimal supervision.
• Effective communication skills for documenting work and coordinating with team members.
• Organizational skills to manage multiple repair tasks and maintain accurate service records.

Join a team that values skilled craftsmanship, safety, and reliability in maintaining critical vehicles and equipment. You will work in an environment that encourages continuous learning, supports the use of modern diagnostic tools, and recognizes the importance of your expertise in keeping operations running smoothly. The role offers the opportunity to work on diverse equipment, build your technical capabilities, and take pride in delivering high-quality, dependable repairs.

Work Environment

This role is based in a workshop or service facility that focuses on diesel-powered vehicles and heavy equipment, such as semi-trucks, buses, and construction machinery. You will work with a variety of hand tools, power tools, diagnostic equipment, and welding gear while performing inspections, maintenance, and repairs. The environment involves working around large vehicles, heavy machinery, and hydraulic systems, with an emphasis on following safety protocols and maintaining a clean, organized workspace. Work may include standing for extended periods, handling heavy components, and occasionally working in outdoor or field settings depending on where equipment is located.

Job Type & Location

This is a Contract to Hire position based out of Lexington, KY.

The pay range for this position is $23.00 - $25.00/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 Lexington,KY.

This position is anticipated to close on Jul 28, 2026.

About Aerotek

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.