What jobs can I try to apply in computer or network field after high school?

just finished high school and just moved to Dallas i finished 1 year Tulsa technology Center and got cyber security certificate and took some java programing at school. I really don't want to work as checker or busboy and I applied at circuit city firedog but no reply... |||You can sweep the floor at a computer store, or do chores for a systems analyst|||Not the age to work son.....go study first