She seems like a heavy in the Amanda Waller mold, but I agree there may be more to her.
Most likely my comic ignorance is keeping me in the dark on this one. Not sure who Amanda Waller is to make the connection?
Amanda Waller is generally an antagonist to the DC heroes but sometimes an ally. In Arrow, she was the head of ARGUS and developed the Arrowverse version of the Suicide Squad. Her tactics may be viewed as morally questionable at best, but her ruthlessness produced results, and in her own mind, she is making the necessary decisions for national security.
Haley strikes me as cut from similar cloth, though not as overtly villainous. At least not yet.