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Diesel Technician

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Cogentanalytics
Full Time position
Listed on 2026-08-02
Job specializations:
  • Trades / Skilled Labor
    Diesel Mechanic, Heavy Equipment Mechanic
Salary/Wage Range or Industry Benchmark: 45000 - 65000 USD Yearly USD 45000.00 65000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Diesel Service Tech/Mechanic

Our client, a family-owned truck repair shop, has been operating in the St. Louis area for over 80 years. Currently run by the 4th generation of the Schroeders, we are a Union Diesel Repair Shop serving the community. We are looking for Diesel Mechanics for our 2nd shift, 3:30 PM to Midnight, Monday through Friday. Union wages and benefits are provided via Machinist District 9.

Responsibilities
  • Consult the customer and read work orders to evaluate the tasks required.
  • Prepare work plans after fully scoping out the issues.
  • Run diagnostic tests on diesel engines and interpret the results to offer suitable solutions.
  • Inspect vehicle systems, including suspensions, steering and exhausts.
  • Repair or replace vehicle transmissions, brakes, engines, and other associated parts.
  • Conduct field visits in the case of an emergency or sudden breakdown.
  • Test drive repaired vehicles to gauge their performance.
  • Complete oil changes, coolant service, AC evaluation, and brake checks.
  • Maintain records of parts inventory and serviced vehicles.
  • Ensure the job area is organized and clean, including meeting necessary standards for waste disposal and environmental protection.
Qualifications
  • At least 4 years of diesel or heavy equipment maintenance and repair experience. (Preferred)
  • Advanced knowledge of a vehicle, its electrical system, and the mechanisms of a diesel engine (Hi rail and hydraulic knowledge preferred).
  • In-depth knowledge of diesel engine components and operational mechanisms.
  • Superior knowledge of maintenance tools and repair equipment.
  • Comfortable using mechanical and electrical power tools.
  • Excellent problem‑solving skills.
  • Keen attention to detail.
  • Basic knowledge of computer systems and other relevant electronics (Maxx Traxx knowledge preferred).
  • Proficiency in the use of diesel engine diagnostic software.

    Valid driver’s license; must have CDL‑B (CDL‑A strongly preferred).
  • Good interpersonal skills.
  • Effective collaboration and communication skills.
  • Must furnish own tools.
  • Work inside an open floor plan shop.
  • Daily exposure to dirt, oils, smells, and sounds, related to standard mechanics’ shop.
  • Must be able to lift, handle, meet ladder safety requirements.
  • Must be able to lift 50+ lbs. regularly.
  • Must be able to work at heights of 0–20 ft.
  • Must be able to bend, stand, sit, crawl, lay, climb, and lift throughout each day.
  • Required to stand, walk, and sit frequently. Required to reach with hands and arms; climb or balance; stoop, kneel or crouch to access vehicle areas.
Benefits
  • Health and Welfare, Vision, Dental, Union Pension.
  • Paid vacation (5 days after first anniversary) & holidays (9 days per year).
  • 8.5-hour workdays, 30 minutes unpaid lunch.
  • Weekly pay.
Additional Information

We provide an excellent compensation package through District 9 International Association of Machinists & Aerospace, Local 777.

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