Iwhat is the safest/best way to get experience diving at night here in Southern California? Are there certain spots that a beginner like me can dive safely at night with an experienced buddy?
Welcome to diving, Abidon.
Take additional classes.
People who take classes generally want to be better divers, so if you take a class you'll tend to meet people who are as conscientious as you. You might meet some good people who'll make good dive buddies in the future.