Diesel Technician III

Mahoney Environmental; Joliet (IL); On-site; USD 45,460 - 48,216; Full time

Benefits offered by this job

Medical, dental and vision insurance (

401 k with 4% company match after 90 d

Tool reimbursements

Tool insurance

Yearly work boot allowance

Safety training

Freightliner factory training

Kenworth factory training

Cummins training

Job summary

Mahoney Environmental in Joliet is seeking a Diesel Technician III to join our team. You will strive to meet or exceed goal times for repairs, work unsupervised for extended periods, and assist in training lower-level technicians.

The position runs Sunday night through Friday morning, 9 pm to 5:30 am, with a starting hourly rate of $33–$35 and a tiered sign-on bonus totaling $3,000 over 90 days to one year. Comprehensive benefits and training await the successful candidate.

Qualifications

• Minimum of six (6) years practical experience or equivalent combination of related education and experience.
• Specialized training and/or experience in the overhaul of major components (e.g., Mack, Cummins, Detroit Diesel engines).
• Proficiency with all trade tools (welding equipment, power tools, shop machinery).
• High school diploma or equivalent required.
• Ability to lift, push or pull up to at least 50 lbs.
• Good driving record with a valid driver’s license.
• Ability to drive automatic transmissions and use PTO.
• Superb communication skills (verbal and written).

Responsibilities

• Diagnose, overhaul, adjust, and repair all series of truck and trailer equipment, including engines, transmissions, power dividers, starters/alternators, air conditioning systems, fan clutches, power steering systems, electrical, brake, cooling, clutches, PTO systems, tires, and engine electronics.
• Perform all levels of preventative maintenance.
• Identify and determine required parts 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.
• Follow all safety rules and procedures.
• Fully participate and support all safety initiatives.

Skills

Diesel engines

Troubleshooting

Heavy equipment maintenance

Communication skills

Safety compliance

Driving license

Education

High school diploma or equivalent

Tools

Welding equipment

Power tools

Shop machinery

Job description

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, and assist in training lower‑level technicians.

Schedule

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

Pay

Starting hourly rate $33–$35.

Sign‑on bonus: first payment of $500 after 90 days, second payment of $500 after 180 days, and $1,000 at one year.

Company Benefits

• Medical, dental and vision insurance (effective first 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 equivalent combination of related education and experience.
• Specialized training and/or experience in the overhaul of major components (e.g., Mack, Cummins, Detroit Diesel engines).
• Proficiency with all trade tools (welding equipment, power tools, shop machinery).
• High school diploma or equivalent required.
• Ability to lift, push or pull up to at least 50 lbs.
• Good driving record with a valid driver’s license.
• Ability to drive automatic transmissions and use PTO.
• Superb communication skills (verbal and written).

Major Functions

• Diagnose, overhaul, adjust, and repair all series of truck and trailer equipment, including engines, transmissions, power dividers, starters/alternators, air conditioning systems, fan clutches, power steering systems, electrical, brake, cooling, clutches, PTO systems, tires, and engine electronics.

Working Conditions

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

Specific Duties

• Perform all levels of preventative maintenance.
• Identify and determine required parts 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.
• Perform 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; suggest 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.