Diesel Technician

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 generaon 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.

Dues & 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 meeng necessary standards for waste disposal and environmental protection.

Job Requirements:

• 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 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 soware
• A valid driver's license; Must have CDL -B (CDL-A strongly preferred)
• 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 Informaon

• 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 aer first anniversary) & holidays (9 days per year)
• 8.5-hour workdays, 30 minutes unpaid lunch.
• Weekly Pay

$65,000 - $68,000 a year

Position will start on days and then move to nights (with pay increase) after 90 days.


$.50 increase every September.


CDL- Class A + $.25 per hr.

2nd Shift = $.45 per hr.


We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.