Diesel Mechanic

Cogent Talent Solutions•St Louis, MO
•Onsite

About The Position

A family-owned, union diesel repair shop serving the St. Louis area for over 80 years is hiring Diesel Mechanics. The shop is operated by the fourth generation of the Schroeder family. This role works second shift, Monday through Friday, and performs diagnostics, maintenance, and repairs on diesel vehicles and related systems. The mechanic may also conduct emergency field visits, test-drive repaired vehicles, maintain service and inventory records, and keep the work area clean and compliant with waste-disposal and environmental-protection standards. The position requires at least four years of diesel or heavy-equipment maintenance and repair experience, a valid driver’s license with a clean driving record, and the mechanic’s own tools. The work takes place in an open-floor-plan shop with regular exposure to dirt, oils, odors, and sounds associated with a mechanic’s shop. The employer offers union compensation and benefits through Machinists District 9, including health and welfare, vision, dental, and pension benefits, plus paid vacation and holidays. Pay is $35–$36 per hour, with weekly pay and a guaranteed annual pay increase. Additional pay is available for second shift or CDL, Hazmat, or Tanker certifications.

Requirements

  • At least 4 years of diesel or heavy-equipment maintenance and repair experience.
  • Advanced knowledge of vehicles, electrical systems, and diesel-engine mechanisms.
  • In-depth knowledge of diesel-engine components and operating mechanisms.
  • Superior knowledge of maintenance tools and repair equipment.
  • Comfort using mechanical and electrical power tools.
  • Excellent problem-solving skills and keen attention to detail.
  • Basic knowledge of computer systems and relevant electronics.
  • Proficiency in diesel-engine diagnostic software.
  • Valid driver’s license with a clean driving record.
  • Good interpersonal skills and effective collaboration and communication skills.
  • Must furnish own tools.
  • Able to lift 50+ pounds regularly and work at heights of 0–20 feet.
  • Able to bend, stand, sit, crawl, lie down, climb, lift, reach, balance, stoop, kneel, and crouch as required.

Nice To Haves

  • Hi-rail and hydraulic knowledge.
  • MaxxTraxx knowledge.
  • CDL, Hazmat, or Tanker certifications.

Responsibilities

  • Consult with customers and read work orders to evaluate required tasks.
  • Scope out issues and prepare work plans.
  • Run diagnostic tests on diesel engines and interpret results to recommend suitable solutions.
  • Inspect vehicle systems, including suspensions, steering, and exhausts.
  • Repair or replace transmissions, brakes, engines, and other associated parts.
  • Conduct field visits for emergencies or sudden breakdowns.
  • Test-drive repaired vehicles to assess their performance.
  • Perform oil changes, coolant service, air-conditioning evaluations, and brake checks.
  • Maintain records of parts inventory and serviced vehicles.
  • Keep the job area organized and clean, meeting standards for waste disposal and environmental protection.

Benefits

  • Health and welfare benefits through Machinists District 9 / Local 777.
  • Vision benefits.
  • Dental benefits.
  • Union pension.
  • Paid vacation.
  • Paid holidays.
  • Weekly pay.
  • Guaranteed pay increase every year.
  • Additional pay for second shift or CDL, Hazmat, or Tanker certifications.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service