클리어런스를 개인이 직접 한다는 이야기는 처음 들어 보는지라, 검색을 해 보니, 이것이 맞습니다.
Generally, you cannot apply for a security clearance on your own; you must be sponsored by a government agency or a company with a contract with the government. These entities must determine that your job requires access to classified information.