An Acoustic Engineer job description involves designing, analyzing, and controlling sound and vibrations in various environments by applying principles of physics and acoustics. They conduct noise assessments, manage projects, and collaborate with teams to ensure optimal acoustics, which can range from designing concert halls and vehicles to developing sound systems for mobile phones and reducing noise in workplaces. Key tasks include using specialized software and equipment for measurement and analysis, presenting technical data, and ensuring products and structures meet specific acoustic standards.