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Diesel Technician Level II

  • Diesel Technician Level II job type Posted on: Nov 11, 2026
  • Diesel Technician Level II experience level Mahoney Environmental Solutions, LLC
  • Diesel Technician Level II employment type Joliet, Illinois
  • Diesel Technician Level II employment type Onsite
  • Diesel Technician Level II salary Full-time

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Job Title :

Diesel Technician Level II

Job Type :

Full-Time

Job Location :

Joliet Illinois United States

Remote :

No

Jobcon Logo Job Description :

Job Description

Job Description

Come join the Mahoney Environmental Solutions team in Joliet, IL as a Diesel Technician II. The Diesel Technician I will timely and thoroughly complete daily tasks for equipment maintenance and repair.


Starting hourly rate: $28-30 (plus shift differential)

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

Major Function:  Assist Technician III employees in the proper diagnosis, overhaul, adjust and repair all series of truck and trailer equipment and remove and replace major components including but not limited to the following:

  • Engines (Gas and Diesel) – Adjustment, remove and reinstallation, tune-up, as necessary.
    Transmissions (Manual & Automatic) – Remove and reinstallation, as necessary.
  • Differentials/Power Dividers – Remove and reinstallation, as necessary.
  • Starters/Alternators – Remove, repair, and replace, as necessary.
  • Air Conditioning System – Trained/Certified, component replacement, evacuation, and charging.
  • Fan Clutches – Remove and reinstallation, as necessary.
  • Power Steering Systems – Adjust and repair, as necessary.
  • Electrical/Brake/Colling Systems – Remove, reinstallation, adjustment as necessary (Brake Certified).
  • Clutches – Remove and reinstallation, as necessary. 
  • PTO Systems – Remove and installation of PTO System and related hydraulic components, as necessary.
  • Tires- Remove, install and algin chassis.
  • Engine Electronics (Gas and Diesel) – Diagnose, adjust, and repair, as necessary.

Technician II employees may or may not require assistance, from time to time, from Technician III employees or applicable supervisors relative to the above listed functions.

Working Conditions:

  • Work outdoors in different weather conditions.
  • Exposure to used cooking oil odors.

Specific Duties: Technician II Employees perform the following functions with no assistance:

  • Performance all levels of preventative maintenance service.
  • Perform mechanical and general appearance.
  • Reconditioning of equipment for trade ins.
  • Prepare new equipment for delivery.
  • 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.
  • Perform duties in a timely and efficient manner.
  • All duties of lesser 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.

Training & Experience Technician II Employees should possess the following training and experience:

  • Minimum of four years practical experience or an equipment combination of relate education and experience.
  • Specialized training and/or experience in the replacement of major components.
  • Be proficient in the use of all tools of the trade (Welding, equipment, power tools and shop machinery).

Qualifications and Requirements:

  • High school diploma or equivalent.
  • Ability to lift, push or pull up to at least 100lbs.
  • Ability to provide the above major functions, specific duties and with the experience listed above.
  • Valid Driver's License with good driving record that has a safety risk rating within Mahoney Environmental acceptable standards.
  • Valid CDL preferred with DOT certified medical card..
  • Superb communication skills (written and verbal).
  • Team player.
  • Multitasker.

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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Jobcon Logo Position Details

Posted:

Nov 11, 2026

Reference Number:

e81ff6da

Employment:

Full-time

City:

Joliet

Job Origin:

ziprecruiter

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Job Description

Job Description

Come join the Mahoney Environmental Solutions team in Joliet, IL as a Diesel Technician II. The Diesel Technician I will timely and thoroughly complete daily tasks for equipment maintenance and repair.


Starting hourly rate: $28-30 (plus shift differential)

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

Major Function:  Assist Technician III employees in the proper diagnosis, overhaul, adjust and repair all series of truck and trailer equipment and remove and replace major components including but not limited to the following:

  • Engines (Gas and Diesel) – Adjustment, remove and reinstallation, tune-up, as necessary.
    Transmissions (Manual & Automatic) – Remove and reinstallation, as necessary.
  • Differentials/Power Dividers – Remove and reinstallation, as necessary.
  • Starters/Alternators – Remove, repair, and replace, as necessary.
  • Air Conditioning System – Trained/Certified, component replacement, evacuation, and charging.
  • Fan Clutches – Remove and reinstallation, as necessary.
  • Power Steering Systems – Adjust and repair, as necessary.
  • Electrical/Brake/Colling Systems – Remove, reinstallation, adjustment as necessary (Brake Certified).
  • Clutches – Remove and reinstallation, as necessary. 
  • PTO Systems – Remove and installation of PTO System and related hydraulic components, as necessary.
  • Tires- Remove, install and algin chassis.
  • Engine Electronics (Gas and Diesel) – Diagnose, adjust, and repair, as necessary.

Technician II employees may or may not require assistance, from time to time, from Technician III employees or applicable supervisors relative to the above listed functions.

Working Conditions:

  • Work outdoors in different weather conditions.
  • Exposure to used cooking oil odors.

Specific Duties: Technician II Employees perform the following functions with no assistance:

  • Performance all levels of preventative maintenance service.
  • Perform mechanical and general appearance.
  • Reconditioning of equipment for trade ins.
  • Prepare new equipment for delivery.
  • 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.
  • Perform duties in a timely and efficient manner.
  • All duties of lesser 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.

Training & Experience Technician II Employees should possess the following training and experience:

  • Minimum of four years practical experience or an equipment combination of relate education and experience.
  • Specialized training and/or experience in the replacement of major components.
  • Be proficient in the use of all tools of the trade (Welding, equipment, power tools and shop machinery).

Qualifications and Requirements:

  • High school diploma or equivalent.
  • Ability to lift, push or pull up to at least 100lbs.
  • Ability to provide the above major functions, specific duties and with the experience listed above.
  • Valid Driver's License with good driving record that has a safety risk rating within Mahoney Environmental acceptable standards.
  • Valid CDL preferred with DOT certified medical card..
  • Superb communication skills (written and verbal).
  • Team player.
  • Multitasker.

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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