She also served as the energy policy advisor in the department’s economic bureau, was the ex officio committee member for the Florida Ocean Alliance, as well as appointed as the Global Ambassador by the World Green Building Council.

[12][13] Florida is only the third state (joining Rhode Island and Oregon)[14][15] to have "designated resilience offices with clear executives that report directly to the governor.

"[16] In this role, she was tasked with preparing Florida for the “environmental, physical and economic impacts” of sea level rise, confirmed by a 2014 national climate assessment.

[21] On February 20, 2020, Politico reported that President Donald Trump would select Nesheiwat to be his new homeland security advisor, according to an administration official and another person familiar with the matter.

"[3] Robert C. O'Brien later confirmed Nesheiwat's appointment, praising her as a person who has "extensive national security experience, which will be invaluable for this important role.