something jumped out at me in your post...you said you didnt know if your alters have actual jobs... here a job is just a word that designates why they have come to the surface, why they have control, what do they do to help the person they reside with in and what do they do to help the others in the system.Those kinds of things.

here in my location all alters have jobs, the way to find what their job is, is pay attention to what triggers their being the one in control for that moment... when you start feeling that moment of them coming to the surface maybe you can ask/think to them why they suddenly came to the surface to intertwine with you. (thats called asking inside) since you are co conscious with them it may be easy to get the answers of what they do for you/to help you (in other words what their jobs are.)

this might help you to make more sense of it all