Diesel Mechanic

This role focuses on inspecting, diagnosing, and repairing diesel-powered vehicles and heavy machinery, including semi-trucks, buses, and construction equipment. You will use specialized diagnostic software and a wide range of hand tools to perform preventative maintenance, overhaul engines, and repair complex systems such as transmissions, air brakes, and hydraulics.

Responsibilities

• Inspect diesel-powered vehicles and heavy equipment to identify mechanical, electrical, and hydraulic issues.
• Diagnose problems using specialized diagnostic software, testing equipment, and hand tools.
• Perform preventative maintenance on diesel engines and related systems to reduce downtime and extend equipment life.
• Repair and overhaul diesel engines, including replacing or rebuilding components as needed.
• Service and repair complex systems such as transmissions, air brakes, and hydraulic systems.
• Troubleshoot diesel engine performance issues and implement effective solutions.
• Maintain accurate records of inspections, maintenance, and repairs performed on each vehicle or piece of equipment.
• Follow established safety procedures and best practices when working with heavy machinery and tools.
• Use appropriate tools, equipment, and diagnostic technology to ensure high-quality and efficient repairs.
• Communicate clearly with supervisors or team members about repair needs, timelines, and equipment status.

• Proven experience working as a diesel mechanic with diesel-powered vehicles or heavy machinery.
• Strong troubleshooting skills for identifying and resolving mechanical, electrical, and hydraulic issues.
• Hands-on experience with diesel engines, including inspection, maintenance, and repair.
• Ability to service and repair hydraulic systems on heavy equipment.
• Knowledge of electrical systems related to diesel engines and vehicle components.
• Familiarity with maintaining and repairing transmissions, air brakes, and other complex systems.
• Proficiency using specialized diagnostic software and tools for diesel engines.
• Skilled in using a variety of hand tools and shop equipment safely and effectively.

• Experience working with semi-trucks, buses, and construction equipment.
• Background in preventative maintenance programs for fleets or heavy equipment.
• Ability to read and interpret technical manuals, diagrams, and service documentation.
• Strong attention to detail and commitment to quality workmanship.
• Solid organizational and time-management skills in a busy shop environment.

You will join a team that values technical expertise, reliability, and pride in workmanship. The organization supports continuous skill development and offers the opportunity to work on a wide variety of vehicles and equipment, helping you broaden your experience and grow your career in diesel technology.

Work Environment

This position is based in a hands-on shop environment working with diesel-powered vehicles and heavy equipment such as semi-trucks, buses, and construction machinery. You will regularly use specialized diagnostic software, hand tools, and other shop equipment while performing inspections, maintenance, and repairs. The role involves working around heavy machinery and mechanical systems, requiring consistent adherence to safety practices and proper use of personal protective equipment.

Job Type & Location

This is a Permanent position based out of Lexington, KY.

The pay range for this position is $60000.00 - $65000.00/yr.

This company offers competitive employment benefits including comprehensive health, dental, vision, life, and disability insurance, a pension and 401(k) plan, and paid time off. Additional perks for employees include an on-site gym, uniform allowances, and free public transportation for both employees and their dependents.

This is a fully onsite position in Lexington,KY.

This position is anticipated to close on Jul 14, 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.