Globalism And National Security Are Not Good Bedfellows
The current presidential administration (as of 2019) has been denying H1B visas, for the benefit of US workers; actually, the administration has been holding the program to its founding and core requirements: capped at a certain number, requiring they have degrees, can get over to the US, and that it is cost-prohibitive or otherwise impractical for the company to fill the position.
The result is a dramatic reduction in H1B applications, as well as those admitted to the program.
When it comes to a given nation’s security clearance requirements, apart from military service, which can potentially serve as a work-around, when joined with active citizenship, being foreign-born poses an almost insuperable obstacle for hiring.

Bull Staffing Co. has a reputation for finding the proverbial ‘needle in the haystack’ of candidates, but this is one obstacle that even we don’t advise a company or client contend with.
Background checks are difficult, they almost never come with clearances, and cannot be tested – moving forward – to grant clearances.