In the game you can get job performance losses from Call in Fake Sick to Work interaction (EP01) and Irresponsible Trait chance cards (GP05), but looking into tuning, the Loot code only lists careers up to Gardener from Seasons, no DLC career past that has been updated to take effect. This same loot should be updated, otherwise the game just claims to give performance losses with no effect if the sim is in a career past that.
Careers missing: Actor, Military, Conservationist, Diver, Fisherman, Lifeguard, Freelancer (all types), Education, Engineer, Law, Civil Designer, Salaryperson, Interior Decorator, Simfluencer, Video Game Streamer, Romance Consultant, Handyperson, Reaper, Undertaker, Naturopath, Park Worker
This is where the loot is being used at the momentthe loot showing all the careers it affects