Yes and No. It may be a civil fine but if you get ticketed for rolling a stop and the citing officer is a no show, you win. Explain that.
It’s considered a “parking ticket” in most jurisdictions because a private company runs the cameras. When an officer issues the ticket, it’s a criminal offense.
You will find that places using the cameras have changed their laws to allow traffic violation to be prosecuted either way, civil or criminal.
A civil infraction carries a much lower burden of proof, facilitating the tax collections.