For System Engineering, learn languages like Python and Bash scripting for automation and task scripting. Familiarize yourself with IaC tools like Terraform and configuration management tools such as Ansible. Gain proficiency in Linux/Unix systems and Windows Server environments. Master networking concepts and protocols, and understand cloud platforms like AWS or Azure. Knowledge of containerization tools like Docker and orchestration with Kubernetes is beneficial. Stay updated on emerging technologies and security practices for a comprehensive skill set in System Engineering. 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.