Security Managers should be able to show a bachelor's degree and at least five years of experience in this or a related field as a minimum educational background requirement on their resumes. (jobhero.com)
There are no specific background requirements and everyone is welcome. (climatecommunication.org)
Personally I'd lean towards allowing the exemotion for people already in the US, but would require a higher standard to gain citizenship, just as gaining citizenship (or at least PR) normally requires many educational and background requirements normal citizens don't have to pass. (religion.blogs.cnn.com)