You probably need to upload the Word doc to your server and then create a link to the doc within your HTML page. The link can look something like this:
Complete the job application provided (<a title=”Job Application” href=”http://mywebsite.com/jobapplication.doc” target=”_blank”>click here for job application</a>)
The way it will appear on your page is this:
Complete the job application provided (click here for job application)