Thanks for confirming, Bryan.
We currently are not supporting viewing file attachments on job descriptions in the mobile web version of a job detail page.
While we are working on this feature, a workaround could be to request the job detail page as a desktop client:
So this will request:
or could you not just view it in desktop view on your mobile device? I can't be sure if it works directly off job posts, but I've opened many attachments on my Android smartphone.