Employment Offer Letter Instructions. It's perfectly okay to reply with, "Thank you for the offer.I really appreciate it. Enroll full-time at the University of Utah. 2. I accept this offer of employment and understand that my employment is probationary for an introductory period of one year. This document is typically a positive response to a job offer. Congratulations on the job offer! The offer letter is usually sent out after either HR or the hiring manager calls the candidate to verbally offer them the job. I recently accepted job offer and signed and returned the letter. Now I'm having second thoughts about joining the company.