A desktop engineer is responsible for troubleshooting problems with computer software and hardware. In this job, you may work as a desktop support engineer for a technical support firm that services multiple clients or for a company, school, or government agency in their IT department. Your job duties include responding to telephone and email inquiries, monitoring computer systems, installing software or hardware, and performing maintenance on computer systems. You need strong customer service and problem-solving skills and in-depth knowledge of computers to succeed in a career as a desktop engineer.