For job reassignment-- I understand characters can keep their old positions in their free time if they're nonessential. But are all "official" jobs being changed? Or only those that weren't useful to ship function? If a job doesn't fall neatly under one of the new section heads, then what happens to it?

My specific cases would be Rinzler as Transporter Supervisor and the mainframe as Workshift Coordinator. I'm not sure whether the former falls under Navigation or Defense, but either way... it gets reassigned to whoever the new head thinks is best suited? Rinzler gets evaluated and reassigned if he's not efficiently completing it? Or nothing changes because it's still a useful job? The mainframe hasn't actually been on-duty yet, but by the description, he'd be liasoning between different departments rather than working for any one. Who changes up his job, if anyone? Would it need reassigning?