Found: Sci-fi: father, daughter, and robots

Sci-fi trilogy
Some people on earth have alien DNA. People without the DNA are dying?/ sick?
Father and daughter team up to operate alien robots hidden on earth to protect earth from the invading alien robots who think the people on earth have not held up their end of the bargain and protect earth/be good enough

I found it. It is a trilogy called "The Themis Files"

Touchstone Themis Files, first book Sleeping Giants