In general, the more direct the impact of your role on short-term revenue, the safer you are when your company starts sacrificing people to the gods of quarterly accounts.
Ancillary service workers always get hit badly, but good salespersons are often safer than good engineers.
Only if their salesperson manages to hit their number very quarter without fail. I've seen people blow their quota out of the water in Q1, and get shitcanned when Q2 is quiet.
Ancillary service workers always get hit badly, but good salespersons are often safer than good engineers.