Looking for a nanny for 3 children

I am looking for a warm, caring, honest person to nanny my 3 children. They are ages 13, 11 and 9, two boys and a girl. I want someone who can work from 3 to possibly 9 or 10 in the evening(the latest)or 7:30 the earliest, as well as can give 24 hr care two weekends a month if needed. Applicants must have at least one year training with kids with Autism and must be able to care for children with severe allergies. Must be willing to perform repetitive tasks and work under pressure. Must have CPR, First Aid, Criminal check, ABA training, IBI training, Child Welfare Check, Valid Drivers Licence, Drug test, Child Abuse Registry Check and must be a non-smoker. Required to do house cleaning, laundry, cooking, discipline children according to methods requested by parents, organize activities, tend to the emotional well-being of children. Must be willing to travel or relocate. Must be flexible and adaptable.