<p>I think it could be that they are not passionately looking for somebody. E-mail non-read rate is very high, and I confess that I tend to skim over most of the 100+ e-mails I receive a day.</p>
<p>This is why using informal networks (talk to housemates, friends, etc.) will probably get you farther than the student employment website. Talk to your advisor and to CAPS as well.</p>