A Customer Support Engineer is a professional who assists customers with technical issues related to products or services. They often work in industries like software, hardware, or telecommunications, providing solutions to problems and ensuring customer satisfaction. Their role involves troubleshooting, diagnosing issues, and guiding users through the resolution process. These engineers typically communicate with customers via phone, email, or chat, and may also create documentation or tutorials to help users. They collaborate with other teams, such as product development or quality assurance, to improve products based on customer feedback and enhance overall user experience.