An aerospace or telecommunications engineer, possibly with a focus on satellite technology, or a student of astronautics or a related field, who is interested in the technical aspects and applications of various types of satellites and space systems.
I must add, with a heavy heart, that the potential for unforeseen events, like intense solar flares or micrometeoroid impacts, always looms large, and ignoring these possibilities would be nothing short of reckless; we must prepare for the unexpected.