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The County of DuPage
Wheaton, Illinois

Job Details for 3321 - Heavy Equipment Mechanic

Job Description

FLSA STATUS:    Non-Exempt
UNION:    Local 150

Under general supervision; performs work of moderate difficulty in the repair and maintenance of various makes and models of trucks and heavy equipment; performs related work as required.

Employees in this class perform skilled mechanical repair work at a full working level.  Although the repair work performed is frequently laid out in general terms and inspected upon completion, intermediate phases of work are completed without assistance.  General supervision is received from the Vehicle Maintenance Crew Leader or Vehicle Maintenance Supervisor.

The list of duties and responsibilities is illustrative only, and is not a comprehensive listing of all the duties and responsibilities performed by positions in this class.

•    Completes simple reports regarding quantity of materials handled, equipment operations, miles driven, fuel and oil used, and/or other related information.
•    Prepares, processes, and distributes work orders.
•    Diagnoses, repairs and maintains a wide variety of automotive equipment (e.g. pick-up trucks, dump trucks, plow trucks, tractors, street sweepers, trailers, snow and ice removal equipment, etc.)
•    Diagnoses and repairs drive train, electrical systems, hydraulic systems and power take off systems.
•    Overhauls engines, transmissions and differentials.
•    Removes and installs parts (e.g. fuel injection pumps, turbo chargers, starters, drums, tires, lights etc.)
•    Replaces leaf springs and hangers.
•    Repairs air brakes.
•    Performs welding and fabricating tasks.
•    Performs major preventative maintenance tasks.
•    May be required to perform emission testing.
•    Maintains regular attendance and punctuality.

•    Adjusts work assignments and schedules in the event of an emergency to participate in emergency preparedness, response, and recovery activities as assigned
•    Depending on assignment may maintain required emergency management training, licensure and/or certifications
•    Performs related duties as required or assigned within the job classification

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and /or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Knowledge of:
•    Electronic controlled diesel and gasoline engines, transmissions, rear ends, steering and suspension, drive trains, anti-lock air brake systems, hydraulic systems, HVAC, electrical systems on a variety of vehicles
•    General repair and preventive maintenance techniques, tools and equipment used in repair work; experienced and skilled in the use of MIG and TIG welders, plasma arc cutting equipment and oxygen/acetylene torches
•    A mechanical trade
•    Current office practices, procedures and equipment
•    County policies and procedures
•    Applicable federal, state, and local laws, rules, regulations, codes, and/or statutes

Skill in:
•    Performing repairs to automotive and heavy equipment
•    The use and care of hand and power tools and equipment used in servicing vehicles
•    Operating and/or driving equipment and vehicles to ensure repairs are completed and equipment is functioning properly
•    Using computer hardware and software including word processing, spreadsheets, databases, email, etc
•    Applying an acquired knowledge of procedures, rules, regulations and services applicable to the assigned office

Ability to:
•    Diagnosis and correct causes of vehicle and equipment malfunctions and defects
•    Interpret technical manuals and related diagrams and instructions
•    Monitor and observe objects to determine compliance with prescribed operating or safety standards
•    Manipulate tools in areas of limited space, such as screwdrivers, pliers, wrenches or other similar tools
•    Perform a broad range of maintenance and repair of heavy duty vehicles
•    Enter data or information into a terminal, PC, or other keyboard device
•    Manage projects and multiple priorities simultaneously
•    Establish and maintain effective working relationships with department and division staff, other departments and others, such as vendors
•    Communicate and use interpersonal skills to interact with coworkers, supervisor, the general public, etc. to sufficiently exchange or convey information and to receive work direction
•    Ensure compliance with applicable federal, state, and local laws, rules, and regulations
•    Convey excellent oral and written communication
•    Work effectively under stress
•    Maintain confidentiality


Completion of a High School Diploma or General Equivalency Diploma equivalent and four (4) years of experience in repairing trucks and heavy equipment at the level of automotive mechanic; or, an equivalent combination of education and experience sufficient to successfully perform the essential duties of the job such as those listed above.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Very Heavy Work: Exerting in excess of 100 pounds of force occasionally, and/or in excess of 50 pounds of force frequently, and/or in excess of 20 pounds of force constantly to move objects. While performing the duties of this job, the employee is regularly required to stand, walk, use hands to operate tools and equipment, reach with hands and arms, crouch or stoop, and lift and carry up to 50 lbs.

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

The work environment for this position regularly includes working near moving or mechanical parts, with hazardous materials, with fumes or airborne particles, in cramped or confined spaces, and occasionally in extreme outside weather conditions.

Must have at the time of hire and be able to maintain a valid Illinois Driver’s License.