[Your letterhead, if desired; if not, your return address]
[Date of letter-month, day, and year]
[Recipient's first and last names]
[Street or P.O. box address]
[City, State ZIP code]
Dear [recipient's name]:
Sunset Investments announces a job opening for a human resources assistant within the Human Resources department. This position is available immediately, and the HR managers will begin conducting interviews on Monday, February 10th.
Please contact Human Resources at 555-1212 for further details on the position and on required job qualifications.
[Sender's first and last names]