You can either wait patiently, presuming the employer will contact you if they are interested or you can opt to follow-up with the employer - if you can find a contact person to follow up with. Here are the pros and cons of following up, and how to follow up on a job application, if you do decide to do so, after applying for a job.
After an interview though, you should always follow up with a thank you letter or thank you note reminding the interviewer about your key qualifications for the job and reiterating your interest in the position.
Related Articles: How to Follow Up On a Job | Should You (or Shouldn't You) Follow Up After Sending a Resume?
Image Copyright Jason Stitt

