Diesel Technician - CDL

Cogent Talent Solutions· St Louis, MO· lever· published 07/28/2026
Must-have:E-Commerce

Diesel Service Tech/Mechanic

Our client, a family-owned truck repair is an operated Union Diesel Repair Shop serving the St. Louis area for over 80 years. Currently being run by the 4th genera􀆟on of Schroeders. We are currently looking for Diesel Mechanics for our 2nd shift, 3:30 to Midnight.Monday through Friday work week, Union wages and Benefits via Machinist District 9.

Du􀆟es & Responsibilities: Consulting the customer and reading work orders to evaluate the tasks required

Preparing work plans after fully scoping out the issues

Running diagnostic tests on diesel engines and interpreting the results to offer suitable solutions

Inspecting vehicle systems, including suspensions, steering and exhausts

Repairing or replacing vehicle transmissions, brakes, engines, and other associated parts

Conducting field visits in the case of an emergency or sudden breakdown

Test driving repaired vehicles to gauge their performance

Completing oil changes, coolant service, AC evaluation, and brake checks

Maintaining records of parts inventory and serviced vehicles

Ensure the job area is organized and clean, including mee􀆟ng necessary standards for waste disposal and environmental protection.

Job Requirements: At least 4 years of diesel or heavy equipment maintenance and repair experience.

A valid driver’s license; Must have CDL -B (CDL-A strongly preferred)

Advanced knowledge of a vehicle, its electrical system, and the mechanisms of a diesel engine (Hi rail and hydraulic knowledge is 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 (MaxxTraxx knowledge is preferred)

Proficiency in the use of diesel engine diagnostic so􀅌ware

Good interpersonal skills

Effective collaboration and communication skills

Must furnish own tools.

Physical Requirements: 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 li􀅌 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.

Additional Informa􀆟on We provide an excellent compensation package through District 9 International Association of Machinists & Aerospace, Local 777

Health and Welfare, Vision, Dental, Union Pension

Paid vacation (5 days a􀅌er first anniversary) & holidays (9 days per year)

8.5-hour workdays, 30 minutes unpaid lunch.

Weekly Pay