A System Engineer is responsible for designing, implementing, and managing an organization's IT infrastructure. This includes configuring and maintaining servers, networks, and storage systems. They ensure system reliability, security, and performance, troubleshooting issues and implementing solutions. Automation, scripting, and adherence to best practices for scalability and efficiency are integral. System Engineers also collaborate with cross-functional teams, plan for disaster recovery, and stay updated on emerging technologies to optimize and evolve the organization's IT ecosystem. If you are interested in getting into this field, then check out this video about Logesh and how he upskilled and got a 90% salary hike just after completing Intellipaat's course.