EE who is a plant engineer at a power plant here
I work on quite a variety of things: motors, breakers, switches, controls (including several major system upgrades)
Because most of my projects interact with other systems I work on some mechanical parts as well: pumps, boilers, turbines, condensers, any system or subsystems we have in the plant
The best part about my job is I only ever do each project once. After I have it running, all of the maintenance is done by craft people who can mostly take care of everything themselves. But still they are free ask me questions as needed.