This would be a bit tricky...what you would have to do is use .htaccess to password protect the RESUME FILE directory in addition to the regular authentication used in LINKS SQL.
What you could probably do is EXPORT username/password into the .htpasswd file based on another column in your Users table called something like Subscriber (Yes/No). You should also include JOB SEEKERS in this scheme, so that they can view their resumes.
But differentiating between an "Employer" and "Job Seeker" would be difficult in terms of the database design and form/file access.
Regards,
Eliot Lee