Isabella Di Fabio Secret Story What does a systems analyst do? Isabella Di Fabio Systems analysts are responsible for analyzing and identifying problems and solving them with information systems. They analyze problems, pose requirements, and plan budgets for the application of measures. How is your day to day and what does a systems analyst do? Isabella Secret Story The role of the systems analyst Systems analysts or IT analysts are professionals with a high level of experience using information and communication technologies (ICT). In essence, they are responsible for the continuous development and optimization of IT infrastructures within companies and seek to design computer systems that result in competitive improvement for companies.