It is a methodical, disciplined approach to the design, realization, and technical management. At the core, Systems Engineer helps in the coordination of different teams, testing, and evaluation for the development of design and its implementation for the best output.
The systems engineer will often work together with a project manager and the engineering crew and becomes the primary point of communication to interlink between the two to simplify the accomplishment of a successful system.
For more info: it networking jobs