Jones was originally a police lieutenant in the Law Enforcement career in The Sims 1, but lost his job (and his wealth) through unspecified means. He now works as an evening security guard at the FreeTime Recreation Center. His tragic loss took a huge toll on his morale, and is now "reclimbing the [career] ladder with a heavy heart."
There is a strong sense of enmity between Jones and Serge Barb, who lives right next door.
Jones supposedly enjoys fitness activities, and even has it as his predestined hobby. However, he has more enthusiasm with music and dance than with the former.