GFL Environmental is seeking a skilled Diesel Mechanic Level A to maintain and repair our fleet of heavy-duty trucks and equipment supporting essential environmental and waste services. In this role, you’ll perform advanced diagnostics, troubleshoot diesel engines, hydraulics, electrical and air brake systems, and complete both scheduled preventive maintenance and complex repairs. You’ll ensure all work meets safety, environmental, and DOT standards. Working in a fast-paced, team-focused shop, you’ll help keep routes running safely and reliably while gaining training and long-term career growth in a stable industry.