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Diesel Technician III

Job in Joliet, Will County, Illinois, 60432, USA
Listing for: Mahoney Environmental Solutions, LLC
Full Time position
Listed on 2026-07-22
Job specializations:
  • Trades / Skilled Labor
    Heavy Equipment Mechanic, Diesel Mechanic, Automotive Technician
Job Description & How to Apply Below

$2,000 sign-on bonus paid in installments: first $500 after 90 days, second $500 after 180 days, and $1,000 at one year.

We are looking for a Diesel Technician III to join our team in Joliet. The Diesel Technician III will strive to meet or exceed goal times for repairs, work unsupervised for extended periods of time, and assist in training technicians in lower job classifications.

Schedule

Sunday night through Friday morning 9pm to 5:30am.

Hourly Rate

Starting hourly rate between $33 - $35.

Company Benefits
  • Medical, Dental and Vision insurance 1st of the month following hire date.
  • 401 K with 4% company match after 90 days.
  • Tool reimbursements.
  • Tool insurance.
  • Yearly work boot allowance.
  • Safety training.
  • Freightliner factory training.
  • Kenworth factory training.
  • Cummins training.
Training & Experience
  • Minimum of six (6) years practical experience or an equivalent combination of related education and experience.
  • Specialized training and/or experience in the overhaul of major components (i.e., Mack – Cummins - Detroit Diesel Engines, etc.).
  • Be proficient in the use of all tools of the trade (Welding equipment, power tools and shop machinery).
  • High school diploma or equivalent required.
  • Ability to lift, push or pull up to at least 50 lbs.
  • Good driving record with valid driver's license.
  • Ability to drive automatic transmissions and use of PTO.
  • Superb communication skills (verbal and written).
Major Function

Properly diagnose, overhaul, adjust and repair all series of truck and trailer equipment including but not limited to the following:

  • Engines (Gas and Diesel) – Diagnose, remove, rebuild, and reinstall as necessary.
  • Transmissions (Manual & Automatic) – Diagnose, remove, rebuild, and reinstall as necessary.
  • Differential/Power Dividers – Diagnose, remove, rebuild, and reinstall as necessary.
  • Starters/Alternators – Diagnose, remove, repair, and replace as censer.
  • Air Conditioning Systems – Trained/Certified, diagnose electrical and mechanical defects, repair, component replacement, evaluation, and charging.
  • Fan Clutches – Diagnose, remove, rebuild, and reinstall as necessary.
  • Power Steering Systems – Diagnose, adjust, and repair as necessary.
  • Electrical/Brake/Cooling Systems – Diagnose, remove, rebuild, reinstall, and adjustment as necessary. Brake certified.
  • Clutches – Diagnose, remove and reinstall as necessary.
  • PTO Systems – Installation of PTO System and related hydraulic components. Diagnose, remove, rebuild, reinstall and adjustment as necessary.
  • Tires – Remove, install and algin chassis.
  • Engine Electronics (Gas and Diesel) – adjust and repair as necessary.
Working Conditions
  • Work outdoors in different weather conditions.
  • Exposure to used cooking oil odors.
Specific Duties
  • Perform all levels of preventative maintenance.
  • Identify and determine parts required for repair of disassembled units.
  • Identify warrantable repairs and document appropriately.
  • Maintain work area appearance and safety.
  • Road test vehicles as necessary.
  • Performance and prospective duties in a timely and efficient matter.
  • All duties of lower job classifications.
  • Follow all safety rules and procedures.
  • Fully participate and support all safety initiatives.
  • Think safety and continually scan the work environment; make suggestions for corrections and improvements.
  • Other duties as assigned.

All qualified applicants will receive consideration for employment without regard to the individual's race, color, sex, national origin, religion, age, disability, genetic information, status as a military veteran or any other characteristic protected by applicable law.

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