Diesel Mechanic

RM THOMAS II TRUCKING LLC; Grain Valley (MO); On-site; USD 41,000 - 55,000; Full time

Benefits offered by this job

Bonus based on performance

Health insurance

Paid time off

Training & development

Uniforms provided

Weekly pay

Job summary

Rob’s Trucking and Truck Repair is seeking a skilled Diesel Mechanic to diagnose, repair, and maintain a fleet of diesel-powered vehicles and heavy equipment. You will troubleshoot engines, electrical systems, brakes, and hydraulics, perform routine preventive maintenance, and document service reports.

The role requires at least 2 years of hands-on diesel experience, a valid CDL is preferred, and ownership of your own tool set.

Qualifications

• Minimum of 2 years of hands-on experience working with diesel engines and heavy-duty vehicles.
• Valid driver’s license (Class A or B CDL highly preferred).
• Ownership of a standard personal inventory of mechanical tools.
• Capable of lifting up to 50 lbs and standing or bending for long periods.
• ASE or OEM training are a plus but not mandatory.

Responsibilities

• Diagnostics: Troubleshoot and diagnose mechanical, electrical, hydraulic, and AC failures using diagnostic software.

Skills

Troubleshooting

Safety-conscious

Mechanical aptitude

Education

ASE certifications

OEM training

Missouri State Inspector cert

Tools

Diagnostic software

Mechanical tools

Job description

Benefits:

Bonus based on performance

Competitive salary

Free food & snacks

Free uniforms

Health insurance

Opportunity for advancement

Paid time off

Training & development

We are seeking a skilled and reliable Diesel Mechanic to join our growing service team. In this role, you will be responsible for diagnosing, repairing, and maintaining a variety of diesel-powered vehicles and heavy equipment. The ideal candidate has strong technical troubleshooting skills, a commitment to safety, and a solid work ethic. Whether you are an experienced journeyman or a driven technician looking to elevate your career, we want to hear from you.

Salary Range: $30 to $40 Hour depending on experience

Health & Wellness: Accidental insurance and life insurance .

Paid Time Off: Paid vacation, holidays, and PTO.

Perks: Supplied uniforms, snacks & meals, weekly pay and bonus, friendly environment.

Key Responsibilities

Diagnostics: Troubleshoot and diagnose mechanical, electrical, hydraulic, and AC failures and ability to use modern diagnostic software.

Repairs: Perform engine repairs, brake replacements, steering/suspension adjustments, clutch and transmission repairs, differential diagnosis and replacements

Maintenance: Execute routine preventative maintenance, including oil changes, fluid flushes, and filter replacements.

Inspections: Conduct comprehensive safety and DOT inspections to ensure regulatory compliance.

Documentation: Write service reports outlining the work completed and parts required.

Job Requirements

Experience: Minimum of 2 years of hands‑on experience working with diesel engines and heavy‑duty vehicles.

Licensing: Valid driver’s license required (Class A or B CDL is highly preferred).

Tools: Ownership of a standard personal inventory of mechanical tools.

Physical Ability: Capability to lift up to 50 lbs and stand or bend for long periods.

Certifications: ASE certifications or OEM‑specific training, Missouri State Inspector certification are a major plus but not mandatory.

What to Expect

At Rob’s Trucking and Truck Repair, we run a clean, safety‑first shop, and we don’t leave techs hanging when a job gets ugly. You’ll work a steady mix of our own fleet trucks and outside commercial work. We don’t play games with your hours, and we want a crew that wants to stay and grow with us.

What You’ll Do

Diagnose and repair diesel engines, electrical systems, and air brakes.

Perform routine PMs and federal DOT inspections on fleet and customer trucks.

Keep a clean bay—we supply shop rags, specialized heavy tools, and diagnostic software; you bring your standard box.