Diesel Truck And Trailer Mechanic

We are hiring an experienced Diesel Mechanic to inspect, diagnose, repair, and maintain diesel trucks, trailers, and heavy equipment. This role involves troubleshooting mechanical and electrical issues, performing preventative maintenance, and ensuring equipment remains safe and operational.

• Diagnose and repair diesel engines, transmissions, brakes, suspension, electrical, hydraulic, and air brake systems
• Perform preventative maintenance, including oil changes, inspections, and component replacements
• Complete DOT inspections and ensure compliance with safety standards
• Use diagnostic software, hand tools, and shop equipment to troubleshoot issues
• Repair and maintain trucks, trailers, and fleet equipment
• Perform welding repairs as needed
• Maintain accurate repair and maintenance records
• Keep work areas clean, organized, and safe

• Experience as a Diesel Mechanic or Diesel Technician
• Strong knowledge of diesel engines and vehicle systems
• Experience troubleshooting electrical, hydraulic, pneumatic, and mechanical issues
• Ability to perform preventative maintenance and repairs independently
• Experience using diagnostic tools and shop equipment
• Valid driver's license
• Ability to lift up to 50-75 lbs and work in a physical shop environment

• ASE certifications or technical school training
• Welding experience
• DOT inspection experience
• Experience with heavy equipment, fleet maintenance, or trailer repair
• Familiarity with farm equipment, Caterpillar equipment, or RV trailers

• Tools and diagnostic equipment provided
• Comprehensive benefits package
• Career growth and training opportunities
• Supportive team environment
• Multiple shift options available

Shop environment supporting diesel truck, trailer, and heavy equipment repairs. Candidates should be comfortable working around heavy machinery, using diagnostic equipment and power tools, and performing physically demanding work in varying shop temperatures.

This is a Contract position based out of Bridgeton, MO.

The pay range for this position is $25.00 - $47.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

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 Bridgeton,MO.

This position is anticipated to close on Oct 21, 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:  | 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.

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…