GFL Environmental is seeking a skilled Diesel Mechanic to maintain and repair our fleet of trucks and heavy equipment supporting essential environmental services. You will perform inspections, diagnostics, and repairs on diesel engines, hydraulics, brakes, and electrical systems, ensuring safe, reliable operations. In this safety-first, team-focused role, you'll follow DOT and company standards, complete preventive maintenance, and document work in our systems. GFL offers training, growth opportunities, and a stable career in a fast-paced, sustainability-driven industry.