Diesel Truck Mechanic

Geis Dealer Group; Bethany (MO); On-site; USD 27,552 - 61,992; Full time

Benefits offered by this job

Health insurance

401(k) with employer contribution

Paid time off

Paid training

Job summary

Geis Dealer Group in Bethany, MO is seeking a Diesel Mechanic Truck Technician with Class 8 and Medium Duty expertise to diagnose and repair electronic engines (MX, Cummins, CAT) and perform preventive maintenance. You will inspect and repair diesel systems, document work orders, and support customers with a professional approach.

Join a team that emphasizes safety, quality workmanship, and ongoing factory training; day shifts with overtime options, competitive pay, and a benefits package are

Qualifications

• Experience with Class 8 and Medium Duty truck technology.
• Knowledge of electronic engine systems (MX, Cummins, CAT).
• Ability to pass a pre-employment drug screen.
• Strong communication and teamwork skills.

Responsibilities

• Perform diagnostics and repairs on electronic engines (MX, Cummins, CAT).
• Conduct diesel engine repair and vehicle inspections (DOT, PM).
• Diagnose ABS, HVAC, electrical systems and air brakes.
• Repair wheel ends, suspension and steering diagnostics.
• Carry out PM maintenance accurately and efficiently.
• Adhere to warranty policies and documentation on repair orders.
• Use electronic manuals and resources for diagnostics.
• Provide accurate repair documentation.

Skills

Class 8 tech

Electronic engine systems

DOT inspections

Teamwork

Communication

Computer literacy

Job description

Diesel Mechanic Truck Technician

Peterbilt of Bethany is seeking experienced Class 8 and Medium Duty truck technicians for a challenging career in the transportation industry. Eligible candidates must be capable of working on electronic engines (MX, Cummins, and CAT) as well as internal and external components. They should possess skills for preventive maintenance, DOT annual inspections, general truck and trailer repairs, and related duties.

Job Overview

Factory training is available on specific systems and electronic diesel engines for CAT, Cummins, and MX Paccar. The role requires a positive attitude, strong communication skills, the ability to multitask, teamwork, computer literacy, and a strong desire to serve customers.

Responsibilities

• Perform electronic engine diagnostics and repairs (MX, Cummins, CAT).
• Conduct diesel engine repair (MX, Cummins, CAT).
• Execute accurate and complete vehicle inspections (DOT, PM).
  
• Diagnose and repair ABS, HVAC, electrical systems, and air brakes.
• Repair and adjust wheel ends and perform suspension and steering diagnostics.
• Carry out PM maintenance efficiently and accurately.
• Adhere to all warranty policies and procedures.
• Use electronic technical manuals and resources for diagnostics and repair.
• Provide accurate documentation on repair orders.

Schedule & Location

• Shifts: 8‑hour and 10‑hour (with overtime options).
• Hours: Day shift, Monday through Friday, weekends as needed.
• Location: 389 S 39th St, Bethany, MO 64424 (in‑person work).

Qualifications

• Experience with Class 8 and Medium Duty truck technology.
• Knowledge of electronic engine systems (MX, Cummins, CAT).
• Ability to perform DOT inspections and maintenance tasks.
• Strong communication and teamwork skills.
• Computer literacy and multitasking ability.
• Ability to pass a pre‑employment drug screen.

Compensation

• Job Type: Full‑time
• Salary: $20.00–$45.00 per hour
• Shift options include 8‑hour, 10‑hour, and overtime.
• Service Technician Referral Program – earn up to $5,000.

Benefits

Geis Dealer Group offers a competitive benefits package with more than 10 health insurance plan options, including comprehensive family coverage and support programs. Employees also receive:

• Competitive salary and performance‑based earning potential.
• Health, dental, and vision insurance.
• HSA and FSA options.
• 401(k) with employer contribution.
• Paid time off.
• Paid training and opportunities for advancement.

Equal Employment Opportunity

Geis Dealer Group is an equal‑opportunity employer. We value diversity at all levels of the organization, and employment decisions are based on qualifications, merit, and business needs.