I have been working for the same employer full time, day shift for the last 8 years. If they ask me to work night shift instead of day shift trying to get rid of me, can I say "No" and still get severance pay if they fired me?

Hello,

It definitely sounds like you have been constructively dismissed from your employment. You do not have to accept this unilateral and fundamental change to your terms of employment. Upon a constructive dismissal, you are entitled to your severance entitlements. I would recommend calling our firm at your earliest to schedule a consult call with one of our lawyers to review your matter further and assess your entitlements.