I wonder if this is a fake job posting to satisfy a Labor Certification [0] for a US Visa application.
For some types of Visas, the company has to prove that there are no qualified US workers to take the position. One way of proving this is to post a job posting and provide evidence that there are no qualified workers that have applied.
There is of course a perverse incentive to make the job posting extraordinarily specific such that only the intended Visa recipient could be considered qualified.