GFL Environmental is seeking a Mechanic Lead to oversee maintenance and repair of our waste collection and environmental services fleet. In this on-site role, you will perform advanced diagnostics and repairs on diesel trucks and heavy equipment, coordinate and prioritize shop work, and ensure all vehicles meet safety and regulatory standards. You will mentor junior technicians, maintain accurate service records, and partner with operations to minimize downtime. GFL offers stable, essential work, strong safety culture, growth opportunities, and competitive benefits in a mission-driven, sustainable business.