The terminology was specific mentioning 'citizen' which is because you cannot join any of the state security positions, including military, if you are not a cit

The terminology was specific mentioning 'citizen' which is because you cannot join any of the state security positions, including military, if you are not a citizen but 'only resident'. The letter written by the secretary of defence notes specifically that they are looking for people in the corporate world to join but that these people must be citizens.