A digital systems engineer, sometimes called a computer systems engineer, sets up and maintains all of a company's digital systems that they need to function. This can include invoicing software, operating systems, computer desktops, and more.Digital systems engineers need to know a lot about technology and business in order to buy and set up digital systems according to the needs of their business. They know coding languages such as MATLAB and how to engineer hardware solutions. They know how to troubleshoot problems as they arise in the technological system. Digital systems engineers also need good communication skills in order to lead other IT professionals and explain to colleagues how to use equipment.