I am a Site Reliability Engineer, I have been for close to a decade, and this is not as common an abbreviation as you think it is. Also, my entire job isn't in question because I didn't memorize shorthand for a term that I don't use in my day-to-day.

Really appreciate getting downvoted to hell for saying "We can't throw readers a simple bone?"

All I'm asking for is CI(Continuous Integration) in the first paragraph.