Key aspects of control systems for electrical engineers include a solid foundation in classical control systems, with an emphasis on both continuous and discrete control methods. Hands-on experience through labs is essential for practical understanding. For those aiming to develop advanced control systems, knowledge of robust control, adaptive control, and estimation methods is crucial. Familiarity with non-linear systems and their impact on linear analysis is also recommended. Mastering these topics will prepare engineers for various roles in the control systems industry.