Heavy-Duty Diesel Mechanic - 1st Shift

Truck Centers, Inc.•Wentzville, MO
•$27 - $40

About The Position

Truck Centers, Inc. is hiring a Heavy-Duty Diesel Mechanic for its Service department. The mechanic performs quality diagnostics and repairs on customer trucks, following OEM, warranty, and dealership standards. The role is scheduled for first shift, 7:00 a.m.–3:30 p.m., Monday through Friday, with a Saturday rotation. The mechanic diagnoses and repairs truck systems, documents findings and work performed, coordinates with Parts and Service teams, checks repair quality, and road-tests vehicles. Candidates must bring their own tools; Truck Centers provides specialty and OEM-required tooling for shared on-site use.

Requirements

  • At least 3 years of mechanical medium- or heavy-duty truck service experience in a shop setting or military installation.
  • Valid driver's license and ability to meet insurance requirements.
  • Demonstrated mechanical aptitude and commitment to quality work.
  • Must pass a pre-employment background check and drug screen.
  • Must provide personal tools; the employer provides specialty and OEM-required tooling for communal on-site use.

Nice To Haves

  • Class B CDL with air brake endorsement preferred; Class A CDL highly preferred.
  • Welding and fabrication skills are a plus.

Responsibilities

  • Perform consistent, high-quality work according to OEM, warranty, and dealership standards.
  • Review repair orders; observe and listen to vehicle operation; gather diagnostic information; identify malfunctions; plan procedures; and perform authorized repairs.
  • Perform general and major repairs to truck systems, including engines, transmissions, suspension, brakes, HVAC, and electronics.
  • Document diagnostic findings, repair status, and work performed using Service Notes to support customer communication and warranty processing.
  • Coordinate with the Parts department to obtain and verify parts, and communicate status updates or requests to the Shop Foreman and Service Administration team.
  • Perform quality checks on completed work.
  • Road-test vehicles to confirm repairs resolved customer complaints.

Benefits

  • 401(k) with company match
  • Health insurance with two plan options
  • Vision insurance
  • Dental insurance
  • Paid time off
  • Paid volunteer time
  • Disability insurance
  • FSA and HSA options
  • Company-paid life and AD&D insurance
  • Maternity leave
  • Employee assistance program
  • Wellness program
  • Company-paid uniforms
  • Company-paid boot allowance
  • OEM and vendor certification training at no cost
  • Tool insurance at no cost
  • Company-supplied specialty tooling
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