Can you be fired for your free speech and or/for storming the capitol? Almost certainly yes, unfortunately. If you work for a private company you can be fired by your employer at anytime for any reason or absolutely no reason at all.
Yes, the short answer is you can be fired from your private sector job for your political opinions. There is no first amendment right, there is no free speech in your private sector workplace. That’s to prevent the government from interfering with your ability to express yourself.
You have a first amendment right to free speech – what happens when you exercise it at work – can you be fired? The law may surprise you – read to learn your rights.