Heavy Duty Diesel Mechanic
Company: Clean Harbors
Location: Calumet City
Posted on: February 21, 2026
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Job Description:
As a Heavy Duty Diesel Mechanic at Clean Harbors, you will be
part of a team dedicated to maintaining and repairing large diesel
vehicles and equipment, essential for supporting environmental,
energy, and industrial services. This role is crucial in ensuring
that our machinery and vehicles perform reliably and safely,
minimizing downtime and supporting our commitment to safeguarding
the environment through responsible waste management and emergency
response services. Perform routine maintenance and repair on heavy
diesel engines and equipment including trucks, trailers, and other
heavy machinery. Diagnose mechanical and electrical problems and
determine the best ways to correct them, using the appropriate
tools and diagnostic equipment. Follow all safety procedures and
best practices, and maintain a clean and organized work
environment. Record detailed service and repair logs, and
communicate ongoing issues with management. Collaborate with other
team members to facilitate scheduled and emergency maintenance and
repairs. Support fleet operational status by initiating and
maintaining an inventory of parts and supplies. Stay current with
industry technology and developments, and apply new skills to
improve job performance. In-depth knowledge of diesel engines and
components. Skilled in the use of diagnostic software and equipment
for mechanical and electronic systems. Ability to read and
understand technical manuals and schematics. Strong problem-solving
skills. Excellent attention to detail. Capable of performing
physical tasks and lifting heavy objects. Medical Insurance Dental
Insurance Vision Insurance Life Insurance 401k Valid driver’s
license, with a CDL preferred. ASE Diesel Certification highly
preferred. Certification from a vocational school or community
college in diesel mechanics or similar field.
Keywords: Clean Harbors, Wauwatosa , Heavy Duty Diesel Mechanic, Construction - Building Trades , Calumet City, Wisconsin
