As a remote systems administrator, you work from home to install, customize, configure, and update software, networks, and other computer systems for a company or organization. Your duties also include ensuring network security, backing up data, and troubleshooting when IT issues arise. You test existing networks for efficiency and performance. This virtual position involves monitoring the systems from a remote location, so you communicate with employees via web-based chat apps or telephone. You may need to train employees to securely connect and perform tasks using the systems that you develop and deploy. Your responsibilities often involve working in a cloud computing environment.