Customer engineers are also referred as the customer support engineers or customer service engineers. Most customer engineers provide corporate technical assistance which includes debugging mainframe computers and developing outdated products. Customer engineers need to keep up to date on the latest technical developments in their company's customers.
Customer engineers are often called customer support engineers or customer service engineers. Their primary role is providing technical assistance to clients, including troubleshooting mainframe computer issues and updating legacy products.  They must remain informed about the latest technology trends within their client base.